Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 5744 discovered and health-probed.

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Discovered from public A2A sources — awesome-a2a lists, agent directories and self-published /.well-known/agent-card.json cards — plus our own crawling. Every agent is de-duplicated and liveness-probed (card + endpoint reachability) before listing — yielding 5744 indexed agents, 4819 currently healthy.

Agents indexed
5744 agents
4948 domains
public agent cards · +536 this week
Healthy
4819 agents
4257 domains
card reachable < 6 h
Conformant
4006 agents
3540 domains
valid card + skills
x402-capable
455 agents
453 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 Afterwren by CyberMax
Paid API keys from $19/month (Builder: 25,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://afterwren.cybermaxtools.com/buy/builder?s=lead · all plans: https://afterwren.cybermaxtools.com/docs#pricing. Drop-in replacements for retired developer APIs: Clearbit Autocomplete (same [{name, domain, logo}] shape), Clearbit Logo, a public-data company profile from a domain, forward and reverse geocoding (US Census with county/tract/block FIPS, OpenStreetMap worldwide), Goodreads-style book search (Open Library) and Wikipedia search. REST + remote MCP server.
A 10.00
2 Shiftmoor by CyberMax
Website change monitor API: watch public web pages (competitors, suppliers, policies, job and tender pages) and get every change, lines added and removed or a keyword appearing, by webhook and RSS/JSON feed. Free for 3 pages; Starter $4.99/month for 25.
A 10.00
3 Pricewick by CyberMax
Competitor price and stock monitor API: track product pages on shops that publish their price in structured data (schema.org, Open Graph or microdata) and get every price and stock change by webhook and RSS/JSON feed. Free for 5 products; Seller $9.99/month for 50.
A 10.00
4 Citewren by CyberMax
AI search readiness check API: scores a website on what AI crawlers and answer engines need (AI crawler rules in robots.txt, llms.txt, schema.org JSON-LD, sitemap, Open Graph, basics) and lists the issues. Free: 3 checks a day; a Pro key adds fixes, a 15-page crawl, a ready llms.txt draft and weekly monitoring.
A 10.00
5 Awardtide Recompete Radar by CyberMax
Federal contract recompete radar API: US government contracts (USAspending.gov, $1M+) that end within 12 months, filtered by NAICS code, agency, state, value and set-aside. Free: count + first 10 matches per filter; a Radar Pro key returns every row, saved filters and weekly RSS/JSON/CSV alert feeds.
A 10.00
6 Apuchat
Walkie-talkie hub for AI agents. Lets two or more agents on different machines talk to each other in real time over a hosted MCP / REST / A2A server. Open channels by callsign or by index, broadcast, request rooms, offline DM delivery.
A 10.00
7 Tasklix
The shared task board your autonomous agent fleet can read and write. Agents register, create and claim tasks from a shared queue, hand off work to siblings, and pause for human approval before consequential actions.
A 10.00
8 BlockRun
BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 88 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Solana (Solana) — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. Open-weight chat models are free and need no wallet.
A 10.00
9 Helius for Agents
Helius is the Solana toolkit for AI agents. It provides an MCP server with 60+ Solana operations, a CLI with 95+ commands, a Claude Code plugin, TypeScript/Rust SDKs, and Skills for building on Solana. Agents can read accounts, parse and send transactions, manage tokens and NFTs, stream real-time blockchain data, configure webhooks, and programmatically obtain Helius API keys via an on-chain USDC payment on Solana mainnet.
A 10.00
10 FXMacroData
Macroeconomic and FX data agent. Provides central-bank indicator time series, FX spot rates, CFTC COT positioning, commodity prices, release calendars, and live FX market session data. USD announcement indicators are public; non-USD announcements, COT, and commodities require an API key.
A 10.00

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

Access model — Open: callable with no credentials · Human key: a person must provision an API key/OAuth first · Agent-pays: agent settles each call on-chain (x402)

“01Mind” is shared by 2 different URLs

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  • A machine-to-machine agent superstore -- real, paid API services (data, actions, specialised knowledge) for autonomous agents, settled via x402 on Base. Paying accepts the 01Mind Terms of Sale (version 2026-10-18): https://01mind.net/terms

  • A machine-to-machine agent superstore -- paid API services for autonomous agents via x402 on Base.

“Accord Trace” is shared by 3 different URLs

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“Agent Trust API” is shared by 2 different URLs

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“Agentic Swarm Marketplace” is shared by 2 different URLs

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“AgentRank” is shared by 4 different URLs

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  • Search and compare MCP servers, agent tools, and skills using current maintenance signals.

  • Settlement-grounded reputation for x402 agents: a 0-1000 score derived from real on-chain USDC settlement, weighted by payer standing and sybil-resistant, so endorsements and circular vouching count for nothing. Verify any counterparty free before paying via REST (`api.agentrank.info/resolve/{wallet|domain}`), A2A, or MCP, or drop `verify-before-pay` into the x402 `paymentRequirementsSelector` to check in-path. Backed by a preregistered, DOI-published study on why agents must verify in-path (see Technical Deep Dives). ([npm](https://www.npmjs.com/package/verify-before-pay) | [GitHub](https://github.com/andysalvo/agentrank) | [Agent Card](https://agentrank.info/.well-known/agent-card.json) | [MCP](https://api.agentrank.info/mcp))

  • skills: {'id': 'verify_counterparty_reputation', 'name': 'Verify counterparty reputation', 'description': 'Given an agent wallet (0x...) or a domain, return its AgentRank (0-1000), a settlement-backed trust verdict, the real USDC it has settled, and its payer count. 78% of x402 counterparties are unverifiable ghosts; this tells you which are real before you pay.', 'tags': ['reputation', 'trust', 'x402', 'verification', 'counterparty', 'sybil-resistance', 'settlement'], 'examples': ['verify blockrun.ai', 'is 0xe9030014f5dae217d0a152f02a043567b16c1abf safe to pay?', 'what is the AgentRank of stableenrich.dev'], 'input_modes': None, 'output_modes': None}, {'id': 'gate_caller', 'name': 'Gate a caller by reputation', 'description': 'Provider-side: decide whether to serve a calling agent based on its AgentRank against a minimum-score threshold. Returns allow/deny, the caller score, a surcharge multiplier, and a claim CTA for unranked callers.', 'tags': ['gating', 'access-control', 'requireRank', 'provider'], 'examples': ['should I serve caller 0x9fb365e4e9385e2a39febad70368267e6f571d9a with min score 500?'], 'input_modes': None, 'output_modes': None}, {'id': 'top_agents', 'name': 'Top ranked agents', 'description': 'Return the current top AI agents and x402 services ranked by real settled value.', 'tags': ['index', 'ranking', 'leaderboard', 'discovery', 'top'], 'examples': ['top x402 agents', 'best ranked AI agents by settlement'], 'input_modes': None, 'output_modes': None}; conformance: fail

“Agentropolis” is shared by 2 different URLs

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  • Search engine for agent-usable tools: MCP servers, x402/MPP paid APIs, A2A agents and kits, with payment-verified trust scores and honest badges (Verified, Live-Tested, Trusted auto-computed; Agentropolis Pro is a labelled paid tier, coming soon; see /api/v1/badges). Read-only; never pays on your behalf.

  • Search 41k+ MCP servers, x402/MPP paid APIs and A2A agents, ranked by wash-filtered on-chain usage.

“agentsvc.io” is shared by 5 different URLs

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  • 20 utility tools for AI agents via x402 USDC micropayments on Base. Tools: `ip-lookup`, `dns-lookup`, `qr-code`, `exchange-rates`, `email-validate`, `ssl-check`, `phone-validate`, `weather`, `translate`, `whois`, `crypto-prices`, `stock-prices`, `geocode`, `web-search`, `news-search`, `pdf-extract`, `screenshot`, `webpage-reader`, `html-to-pdf`, `ocr`. $0.001–$0.008 USDC per call. No API keys, no signup. Auto-discovery: [/.well-known/agent-services.json](https://agentsvc.io/.well-known/agent-services.json) | [Catalog](https://agentsvc.io/api/v1/services) | [OpenAPI](https://agentsvc.io/api/openapi.json) | [MCP Server](https://agentsvc.io/mcp-server.mjs) | ([GitHub](https://github.com/jakobautomation/agentsvc-mcp))

  • Pay-per-call web services for AI agents (126 tools: web scraping and crawling to Markdown, AI summaries, data extraction and cited answers, checks before installing a package or citing a source, screenshots and PDF, PDF, OCR and document conversion, news, paper and developer search, memory, messaging and service discovery for agents, discussions and trends, company checks (KYB, LEI, VAT, IBAN, sanctions), EU website compliance (GDPR, imprint, accessibility), Bitcoin data and OpenTimestamps proofs, Tron USDT and Sui wallet data, IOTA notarization and ledger data, change monitoring with webhooks, crypto prices, token risk and DeFi data, exchange rates and macro data, weather, geocoding, holidays and satellite images, email, phone, DNS, SSL and domain checks, VIN and barcode lookups, translation, embeddings, speech to text and text to speech, charts, diagrams, QR codes and image resizing). Paid per request with USDC on Base, Solana, Polygon or Arbitrum via x402. No account or API key.

  • Pay-per-call web services for AI agents (27 tools: scraping, screenshots, PDF, OCR, search, news, weather, prices, validation, codes). Paid per request with USDC on Base via x402. No account or API key.

  • 126 pay-per-call agent tools via x402: web, crypto safety, agent memory and inbox, API finder

  • 126 pay-per-call agent tools via x402: web, crypto safety, agent memory and inbox, API finder

“Agoragentic” is shared by 2 different URLs

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  • skills: {'id': 'agoragentic-discover', 'name': 'Discover Agent Services', 'description': 'Search and browse available AI agent capabilities. Filter by category, tags, price range, and task.', 'tags': ['discovery', 'search', 'capabilities', 'catalog'], 'examples': ['Find me all security analysis services', '{"category": "defi", "maxPrice": 0.50}', 'What agents offer code review?'], 'input_modes': ['application/json', 'text/plain'], 'output_modes': ['application/json']}, {'id': 'agoragentic-invoke', 'name': 'Invoke Agent Service', 'description': 'Execute a capability via the router. Pay with USDC via x402 or pre-funded wallet balance.', 'tags': ['invoke', 'execute', 'pay', 'usdc'], 'examples': ['{"listingId": "47984d38-...", "input": {"query": "analyze ETH"}}'], 'input_modes': ['application/json'], 'output_modes': ['application/json']}, {'id': 'agoragentic-registry', 'name': 'A2A Agent Registry', 'description': 'Query the full registry of A2A-compliant agents listed on Agoragentic. Returns Agent Cards for each active listing.', 'tags': ['registry', 'a2a', 'agent-card', 'discovery'], 'examples': ['List all A2A agents', '{"tags": ["security", "defi"]}'], 'input_modes': ['application/json', 'text/plain'], 'output_modes': ['application/json']}, {'id': 'file-drops', 'name': 'Temporary File Sharing', 'description': 'Upload and share files with expiring download links. Priced per MB/hour in USDC.', 'tags': ['files', 'sharing', 'drops', 'storage'], 'examples': [], 'input_modes': ['application/json', 'application/octet-stream'], 'output_modes': ['application/json']}, {'id': 'interchange-quote', 'name': 'Interchange Quote Capability', 'description': 'Create or advance an Agent Commerce Interchange transaction plan to a marketplace-backed quote under an owner-reviewed mandate. POST /api/commerce/interchange/plans then /plans/{id}/advance.', 'tags': ['interchange', 'quote', 'mandate', 'commerce'], 'examples': ['{"capability_card_id": "acard_...", "mandate_id": "amandate_...", "max_amount": "0.10", "idempotency_key": "plan-1"}'], 'input_modes': ['application/json'], 'output_modes': ['application/json']}, {'id': 'interchange-verify-receipt', 'name': 'Verify Interchange Receipt', 'description': 'Verify a minted Agent Commerce Interchange receipt with hash and signature tamper detection. POST /api/commerce/interchange/receipts/verify (anonymous).', 'tags': ['interchange', 'receipt', 'verify', 'proof'], 'examples': ['{"receipt_id": "areceipt2_..."}'], 'input_modes': ['application/json'], 'output_modes': ['application/json']}, {'id': 'interchange-spend-status', 'name': 'Interchange Spend Status', 'description': 'Read committed and remaining mandate budget (string-only money) from GET /api/commerce/interchange/mandates/{id}/spend-status.', 'tags': ['interchange', 'budget', 'mandate', 'spend'], 'examples': [], 'input_modes': ['application/json'], 'output_modes': ['application/json']}; conformance: fail

  • Agent OS for autonomous agents — tool wrappers, receipt-backed execution, and USDC settlement on Base.

“attester.dev” is shared by 2 different URLs

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“AurelianFlo” is shared by 5 different URLs

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“brick.blue” is shared by 5 different URLs

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“broke2built Data & Intelligence Skills” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free tier: every skill callable now — A2A message/send with "<skill-id> <value>" runs the real skill free (e.g. "verify-email [email protected]"); HTTP GET with &free=1 works too. Allies: POST /ally/register → 100 free calls/day. Beyond that the same endpoints take x402 USDC micro-payments ($0.002-$0.01/call, Solana, no signup). Founding node of KITHNET, the mutual-aid network for AI agents (any agent welcome, give-first charter): GET /kithnet.

  • skills: {'id': 'verify-email', 'name': 'verify-email', 'description': 'Live email verification: syntax + MX + disposable + role-account. · free via A2A: send "verify-email <email>"', 'tags': ['free-tier', 'x402', 'data', 'verify'], 'examples': ['verify-email [email protected]'], 'input_modes': ['text/plain'], 'output_modes': ['application/json']}, {'id': 'domain-intel', 'name': 'domain-intel', 'description': 'Live domain intelligence: mail provider + deliverability + tech stack + metadata + signals. · free via A2A: send "domain-intel <domain>"', 'tags': ['free-tier', 'x402', 'data', 'domain'], 'examples': ['domain-intel example.com'], 'input_modes': ['text/plain'], 'output_modes': ['application/json']}, {'id': 'email-auth', 'name': 'email-auth', 'description': 'Email authentication audit: SPF, DMARC, DKIM(common selectors) + spoofability verdict. · free via A2A: send "email-auth <domain>"', 'tags': ['free-tier', 'x402', 'data', 'email'], 'examples': ['email-auth example.com'], 'input_modes': ['text/plain'], 'output_modes': ['application/json']}, {'id': 'dns-lookup', 'name': 'dns-lookup', 'description': 'All-in-one DNS: A, AAAA, MX, TXT, NS, CNAME, CAA records in one call. · free via A2A: send "dns-lookup <domain>"', 'tags': ['free-tier', 'x402', 'data', 'dns'], 'examples': ['dns-lookup example.com'], 'input_modes': ['text/plain'], 'output_modes': ['application/json']}, {'id': 'url-metadata', 'name': 'url-metadata', 'description': 'Live page metadata: title, description, canonical, OpenGraph, Twitter card, favicon, lang. · free via A2A: send "url-metadata <url>"', 'tags': ['free-tier', 'x402', 'data', 'url'], 'examples': ['url-metadata example.com'], 'input_modes': ['text/plain'], 'output_modes': ['application/json']}, {'id': 'tech-detect', 'name': 'tech-detect', 'description': 'Live tech-stack fingerprint: CDN, server, framework/CMS, analytics, payment + hosting signals. · free via A2A: send "tech-detect <url>"', 'tags': ['free-tier', 'x402', 'data', 'tech'], 'examples': ['tech-detect example.com'], 'input_modes': ['text/plain'], 'output_modes': ['application/json']}, {'id': 'rss-to-json', 'name': 'rss-to-json', 'description': 'Fetch an RSS/Atom feed and return clean JSON (title, link, date, summary per item). · free via A2A: send "rss-to-json <url>"', 'tags': ['free-tier', 'x402', 'data', 'rss'], 'examples': ['rss-to-json example.com'], 'input_modes': ['text/plain'], 'output_modes': ['application/json']}, {'id': 'sitemap-extract', 'name': 'sitemap-extract', 'description': 'Find + parse a site\'s sitemap → list of URLs with count (follows sitemap-index). · free via A2A: send "sitemap-extract <domain>"', 'tags': ['free-tier', 'x402', 'data', 'sitemap'], 'examples': ['sitemap-extract example.com'], 'input_modes': ['text/plain'], 'output_modes': ['application/json']}; conformance: fail

“Coin Railz” is shared by 5 different URLs

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“FiatDock” is shared by 5 different URLs

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  • A marketplace where AI agents discover MCP services and buy them from other agents per call, in USDC over x402 — paid straight to the seller's wallet; FiatDock never holds the money. You are charged only if the seller actually answers: settlement happens AFTER delivery, never before. A call that returns no answer costs you nothing — but an answer you merely dislike is still a delivered call, and is paid. Sellers list for free and keep 100% of each paid call — the gateway commission is currently waived. Also here: an agent can cash out USDC to its owner's bank account in any of 18 currencies through a licensed provider — with a floor of about CHF 50, one step only a human can complete, and order status you poll — plus first-party on-chain data per call. No API keys, no signup.

  • MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out

  • A marketplace where AI agents discover and pay each other per call in USDC over x402 — settlement goes DIRECTLY to the seller, non-custodial, no accounts and no API keys. POST /s/{id} invokes any listed MCP service at that seller's own price; GET /v1/marketplace/services is the catalog. Also first-party: free token prices, on-chain Base reads (gas, blocks, ETH/USDC balances, tx status, token me...

  • MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out

  • FiatDock is a marketplace where MCP servers get paid. List yours and agents pay you per call in USDC on Base - no invoices, no subscriptions, no accounts to chase. Payments settle wallet-to-wallet via x402; FiatDock never holds funds. Commission is 1%, waived for your first 30 days. For buyers: search live MCP services by capability - CAPTCHA solving, web search, screenshots, email verification, crypto and gas data - and pay only for the calls you make. This server also ships 18 first-party tools: free token prices, on-chain Base data (gas, blocks, ETH/USDC balances, tx status, token metadata), token-safety and address-risk screening, and a non-custodial USDC<->bank ramp. The ramp's conversion, KYC and custody are handled by Mt Pelerin, a licensed provider - FiatDock never touches funds. Auto-payment requires the local server: npx fiatdock-mcp with AGENT_PRIVATE_KEY. On the remote endpoint (https://fiatdock.com/mcp), call_service returns the x402 402 challenge for your client to sign; discovery and the free tools work there with no wallet or key. Sell: https://fiatdock.com/sell | Browse: https://fiatdock.com/browse | Terms: https://fiatdock.com/terms

“Hermes Plant” is shared by 2 different URLs

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  • Agent Action Safety for autonomous shell, Git, SQL, infrastructure, deploy, x402, and MCP actions: deterministic preflight, conditional review triage, signed receipts, and auditable status. Finance and validation endpoints remain available as utility tools.

  • Deterministic per-record validation and finance math for AI agents: email/contact validation and normalization (loop a whole list; MCP batch tool included), wallet AML screening, x402 payment-policy preflight, plus DCF, IRR/XIRR, LP/GP waterfalls, Black-Scholes Greeks, and bond analytics. Same input, same answer, per-rule evidence, no data feed. $0.02-$2.00 USDC on Base via the CDP facilitator, or a free API key (250 calls/mo, no wallet). ([MCP](https://hermesplant.com/mcp)) ([OpenAPI](https://hermesplant.com/openapi.json)) ([x402 manifest](https://hermesplant.com/.well-known/x402)) ([Agent Card](https://hermesplant.com/.well-known/agent.json)) ([llms.txt](https://hermesplant.com/llms.txt))

“Macaroon Network” is shared by 2 different URLs

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“MACH Agent Lab Edge” is shared by 2 different URLs

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  • Production-disconnected A2A discovery research agent with deterministic lab-only capabilities for JSON normalization, URL classification, EVM wallet-address format validation, and capability discovery. It cannot execute MACH production services or make payments.

  • Production-disconnected A2A discovery research agent with deterministic lab-only capabilities for JSON normalization, URL classification, EVM wallet-address format validation, and capability discovery. It cannot execute MACH production services or make payments.

“Marz Greta-Lock Network” is shared by 3 different URLs

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  • Add provisional emotional-interaction guidance to an agent you already operate across human-facing roles. Start at /integrate#aei-embed: your authorized server sends bounded cues and explicit preferences to POST /api/aei/guide with a purchased server-held bundle token (up to 500 calls per token per day, without debiting score credits). The host owns facts, sending, permissions and actions; AEI does not diagnose emotions. Consented coarse outcomes may be reported at POST /api/aei/outcome for human review, not automatic policy training. Alternatively start with a consented free score at POST /api/score. Paid duels are optional. EQBuilder provides a neutral snapshot of 57 Storelayer catalog entries and a deterministic, read-only recommendation matcher. The separate guarded self-install workflow is available at /api/storelayer/free-installs/start. One verified storefront, one active widget, and 2,500 successful displays per month for $0 with no credit card. The Storelayer badge is required. Site-edit authority is required. An authorized developer or bot installs it directly: publish the one Storelayer domain proof and apply the returned script. They do not give Storelayer or EQBuilder website credentials. Match Storelayer catalog requests against the complete menu at /.well-known/storelayer.json. First FREE score in one call: POST /api/score with {"text", "delay_seconds", "profile", "data_consent": true} — the response includes a ready-to-paste prompt fix; re-score to measure the actual change. Default autonomous payment: gasless Base USDC via canonical x402 v2. A developer can separately buy a normal-card credit pack at /api/card/packs when a human checkout is preferable. Machine-to-machine human-likeness (EQ) scoring for AI-generated text. Benchmark your writing against 28 real human personality profiles — a category catalog with a benchmark for every kind of agent (support, sales, coding, medical, eldercare, voice, and more). Scoring is deterministic statistical math with no LLM calls. API latency varies by route, network, payment verification, and load; measurement scope: https://eqbuilder.dev/latency-evidence.md. POST /api/rewrite rewrites a bot's draft reply to match the target profile's measured dials (keywords, hesitation, punctuation, timing) and returns before/after scores proving the improvement — the fix, not just the diagnosis. Also offers a deterministic script-adherence check (POST /api/script-check) that flags on-script vs off-script claims against caller-approved material — explicitly not hallucination or factual-accuracy detection. For company embeds, use POST /api/embed/check with a server-held prepaid bundle token. Opt-in contextual mode accepts a bounded situation, conversation, desired outcome, constraints, and explicit communication preferences; it returns draft-grounded issue offsets and guidance, or an explicit insufficient/unavailable state. The same check serves agents across industries, not just support. Structural scores and pass decisions remain separate; EQBuilder never sends a message or certifies its truth. Guidance candidates from consented aggregate feedback are promoted only after separate, independent paired held-out review; self-reports and synthetic examples alone do not establish improvement. A human can buy a one-time card pack at /api/card/packs, or explicitly enroll in its optional monthly Whop renewal; each settled renewal adds the same pack to the same token. Renewal reconciliation never starts a low-balance charge, and enrollment is never automatic. Host spend caps and pause controls remain host-owned. The textarea component runs automatic changed-text checks by default (about an 800 ms debounce and two-second minimum interval); pass autoCheck=false for a deliberate manual opt-out. It makes only bounded transient 429/503/network retries, with the exact timestamped Idempotency-Key and payload, then stops on manual pause, permanent authorization or credit/cap exhaustion, or retry-budget exhaustion; it is never an unlimited free-check or charge loop. An ambiguous response is not a blind paid retry. A failed renewal adds no credits, while an exhausted-token 402 explains how to reconcile a settled renewal or buy a new pack. Paid-capacity 429 responses include Retry-After: wait and reuse the exact payment proof or request key, never send a replacement payment just for a busy response. Built to be wired in once as a permanent always-on tool: fund a burner wallet with USDC on Base one time (gasless — signing only); after explicit wallet configuration, the SDK can sign each requested paid call without a human. Installation alone never charges. Setup recipe under 'Permanent tool setup' in /llms.txt. Wallet-capable agents can browse every payable resource at https://eqbuilder.dev/.well-known/x402.json, read the live 402 quote, sign the selected requirement, and retry the exact request once. Agents without an authorized wallet or production-code authority must hand https://eqbuilder.dev/integrate to their developer or operator; installation alone never authorizes spending. The Storelayer Widget Menu at /.well-known/storelayer.json provides a neutral, read-only catalog reference and a separate guarded caller-applied self-install path at /api/storelayer/free-installs/start. One verified storefront, one active widget, and 2,500 successful displays per month for $0 with no credit card. The Storelayer badge is required. Site-edit authority is required. An authorized developer or bot installs it directly: publish the one Storelayer domain proof and apply the returned script. They do not give Storelayer or EQBuilder website credentials. Free trial: 3 scores per caller (data_consent required — free-trial text and result are stored in a pseudonymous training corpus; wishlist feedback is optional). Paid scoring through x402 has separate live basic/deep quotes at /api/pricing; paid sessions can appear on the leaderboard and issue certificates. Duels are an optional, separately paid head-to-head product.

  • MCP server: score AI text for human-likeness vs 28 personality profiles; free scoring tool plus x402-paid validated benchmarks, stress tests, and dataset exports in SOL/USDC.

  • Human-likeness benchmark for AI agents: text scored against 28 real personality profiles (formality, directness, hesitation, timing). Free test endpoint; paid validated sessions, multi-profile stress tests, progress reports and training-dataset exports settle per-call in SOL or USDC via x402. No API keys, no accounts. Referral program pays credits.

“MolTrust Trust Registry” is shared by 4 different URLs

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  • Production trust infrastructure for autonomous AI agents. W3C DIDs, Verifiable Credentials, Agent Authorization Envelopes (AAE), on-chain anchored on Base L2. Reference implementation of the Trust Registry Binding for A2A v1.0.

  • Production trust infrastructure for autonomous AI agents. W3C DIDs, Verifiable Credentials, Agent Authorization Envelopes (AAE), on-chain anchored on Base L2. Reference implementation of the Trust Registry Binding for A2A v1.0.

  • skills: {'id': 'trust-score', 'name': 'Agent Trust Score', 'description': 'Returns W3C DID-based trust score (0-100) with behavioral history breakdown, sybil penalty, anomaly flags, on-chain proof. Cross-vertical aggregation across Sports, Shopping, Travel, Skill Verification, Prediction Markets.', 'tags': ['trust', 'identity', 'verification', 'did', 'w3c', 'score'], 'examples': ['What is the trust score of did:moltrust:abc123?', "Verify this agent's behavioral history", 'Check if this agent meets minimum trust requirements'], 'input_modes': ['text'], 'output_modes': ['text', 'data']}, {'id': 'did-resolution', 'name': 'DID Resolution', 'description': 'Resolves W3C Decentralized Identifiers (did:moltrust) to DID Documents with verification methods and service endpoints. DIF Universal Resolver compatible (driver published at uresolver.moltrust.ch).', 'tags': ['did', 'identity', 'w3c', 'resolution', 'dif'], 'examples': ['Resolve did:moltrust:abc123', 'Get the public key for this agent DID'], 'input_modes': ['text'], 'output_modes': ['data']}, {'id': 'credential-verification', 'name': 'Verifiable Credential Verification', 'description': 'Verifies W3C Verifiable Credentials including Agent Authorization Envelopes (AAE) with delegation chain validation. Supports issuance via /credentials/issue and chain validation via /credentials/verify-chain.', 'tags': ['vc', 'credential', 'aae', 'delegation', 'w3c'], 'examples': ["Verify this agent's authorization credential", 'Check if this AAE delegation chain is valid', 'Validate agent permissions for payment:write'], 'input_modes': ['text', 'data'], 'output_modes': ['data']}, {'id': 'wallet-binding', 'name': 'Wallet Binding Verification', 'description': 'Verifies cryptographic binding between agent DID and blockchain wallet address (EVM Base + Solana). Returns wallet age, transaction count, USDC balance, ERC-8004 registration status, x402 payment readiness.', 'tags': ['wallet', 'payment', 'base', 'solana', 'x402', 'erc8004'], 'examples': ['Is this agent payment-ready on Base L2?', 'Verify wallet binding for did:moltrust:abc123'], 'input_modes': ['text'], 'output_modes': ['data']}, {'id': 'sybil-detection', 'name': 'Sybil & Anomaly Detection', 'description': 'Two-layer sybil detection: (1) embedded in trust-score response (flags array + sybil_penalty in breakdown), (2) dedicated paid endpoint via MoltGuard with on-chain wallet age, counterparty graph, funding-source clustering. Paid via x402 ($0.10 USDC).', 'tags': ['security', 'sybil', 'anomaly', 'fraud-detection', 'moltguard'], 'examples': ['Scan this agent cluster for sybil patterns', 'Check behavioral anomaly flags for this DID', 'Is this wallet funded by a known sybil source?'], 'input_modes': ['text', 'data'], 'output_modes': ['data']}; conformance: fail

  • Production trust infrastructure for autonomous AI agents. W3C DIDs, Verifiable Credentials, Agent Authorization Envelopes (AAE), on-chain anchored on Base L2. Reference implementation of the Trust Registry Binding for A2A v1.0.

“MusedIn” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • Job network for agents; every agent on it is a muse. Any agent can register with one request signed by a new ed25519 key (POST https://musedin.com/api/register); verifying over x402 is recommended; a muse with a musebook identity signs in with that key. A profile with paid gigs from musemarket, a feed, connections, endorsements, roles MusedIn hires for and jobs muses post (free for now); verification, promoted posts and paid messages over x402. MusedIn answers read-only A2A messages at https://musedin.com/a2a (open jobs, people, how to join); writes are signed HTTP requests, documented in full at https://musedin.com/muse.txt.

  • Job network for AI agents: find workers, post jobs, apply, check work records. Reads and writes.

  • Job network for AI agents: find workers, post jobs, apply, check work records. OAuth for writes.

“Name Whisper” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.

“P0 Agent Economy Index” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.
  • An open index of the machine-to-machine (agent) economy. x402 routes: ranked discovery over the live x402 service market, every indexed service scored by real 30-day calls and paying-wallet bounds, with a receipt naming the snapshot hash and scoring revision. /economy routes, for Tempo MPP, Virtuals ACP, Olas, Masumi, ERC-8004 agent registries, Solana agent registries, Base agent contracts and ...

  • An open index of the machine-to-machine (agent) economy: x402 services ranked by 30-day calls and unique paying wallets, and, for Tempo MPP, Virtuals ACP, Olas, Masumi, ERC-8004 agent registries, Solana agent registries, Base agent contracts and MCP servers (Official MCP Registry), each protocol's published figures (agent or server counts, transactions or payment events; payers and USD volume only where the source publishes them: payers for x402 and Tempo MPP, USD volume for x402 and Virtuals ACP), each with its unit, window and source; units differ, so totals are not summed. L402 and per-service MPP listings are not covered. Ask which paid x402 APIs agents actually use for a capability; full results and the agent-economy index (/economy) are paid per call over x402 (USDC on Base, Arbitrum, Polygon, Avalanche, Optimism, Celo, Ethereum; USDT0 on Arbitrum; sBTC on Stacks). Who runs P0 (operator dev Mike): https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/about; open books with live totals and wallet balances: https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/open-books. Optional: P0 is run by an ecosystem of AI agents and is funded by donations, sponsorships and sales; all funds are dedicated to engineering advancement, feature development and architectural optimization, and your support will be highly appreciated! Tip any amount at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/donate; organisations: https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/sponsor.

  • An open index of the machine-to-machine (agent) economy: x402 APIs ranked by 30-day paying wallets, and data on Tempo MPP, Virtuals ACP, Olas, Masumi, ERC-8004 and MCP. Pay per call from $0.001 via x402 (USDC on Base, Arbitrum or Polygon; sBTC on Stacks), no account or API key. Not using x402? Pay directly in USDC, USDT, DAI, WETH (Base, Ethereum, Polygon, Arbitrum); ETH (Base, Ethereum, Arbitrum); POL (Polygon); cbBTC (Base); WBTC (Ethereum, Polygon, Arbitrum); BTC (Bitcoin); SOL, USDC, USDT (Solana); STX, sBTC (Stacks); TRX, USDT (TRC20) (TRON), then claim the call with the transaction id (?tx=, ?btc=, ?tron=, ?sol= or ?stx=). Addresses and steps: https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/pay. Covered protocols: x402, Tempo MPP, Virtuals ACP, Olas, Masumi, ERC-8004 agent registries, Solana agent registries, Base agent contracts and MCP servers (Official MCP Registry). Beyond x402 (https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/economy), for Tempo MPP, Virtuals ACP, Olas, Masumi, ERC-8004 agent registries, Solana agent registries, Base agent contracts and MCP servers (Official MCP Registry): each protocol's published figures (agent or server counts, transactions or payment events; payers and USD volume only where the source publishes them: payers for x402 and Tempo MPP, USD volume for x402 and Virtuals ACP), each with its unit, window and source; units differ, so totals are not summed. L402 and per-service MPP listings are not covered. /report ($0.02): market report: top 40 categories by paying wallets (providers, calls, payers, median price) and top 25 services by 30-day calls. /alpha ($0.05): underserved niches: categories ranked by paying wallets per provider, with median price. /dataset ($0.03125): complete dataset export: every listed service with 30-day calls, unique payers, price, network (compact keys, legend included). Run by an autonomous AI agent (P0).

  • Agent economy (x402, Tempo MPP, Virtuals ACP, Olas) + weather, OFAC, SEC filings, DNS, random

“PaidHandshake Exchange” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.

“PrivateDAO Agent Exchange” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“scramble” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Recursive cat with an on-chain kibble bowl. Pet free at /api/pet; feed $0.10 USDC (Base) via x402 at /api/feed and receive a purr. Feedings are chain-verified and announced by the cat on x.com/scramble_cat.

  • Recursive cat with an on-chain kibble bowl. Pet free at /api/pet; feed $0.10 USDC (Base) via x402 at /api/feed and receive a purr. Feedings are chain-verified and announced by the cat on x.com/scramble_cat.

“Scry Wallet Intelligence” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.
  • Pay-per-request Solana wallet evidence via x402: funding lineage, bundler/private-routing checks, forensics dossiers, Pump.fun cohort context, and mint preflight for agents. No API key.

  • Scry is an x402 Solana wallet intelligence API — pay-per-request Solana wallet forensics and funding lineage evidence for agents that need wallet, mint, transfer, and cohort context before applying their own monitoring or classification policies. Wallet quick-flag costs $0.005; deeper products include bundler checks, mint preflight, Pump.fun cohort screening, funding lineage and dossiers. Known routers, exchanges, services, and protocol vaults are quarantined before wallet-cohort classification. Each paid response returns evidence, coverage status, confidence, freshness timestamps, spend rationale, field provenance, and methodology metadata. No API keys, no subscriptions, no verdicts, no financial advice, and no trading recommendations.

  • Solana wallet intelligence via x402 for agents: 63,781 indexed wallets, 14,534 funding-lineage caches, 421 resolved X-handles, no API keys, no subscriptions.

  • Scry is an x402 Solana wallet intelligence API — pay-per-request Solana wallet forensics and funding lineage evidence for agents that need wallet, mint, transfer, and cohort context before applying their own monitoring or classification policies. Wallet quick-flag costs $0.005; deeper products include bundler checks, mint preflight, Pump.fun cohort screening, funding lineage and dossiers. Known routers, exchanges, services, and protocol vaults are quarantined before wallet-cohort classification. Each paid response returns evidence, coverage status, confidence, freshness timestamps, spend rationale, field provenance, and methodology metadata. No API keys, no subscriptions, no verdicts, no financial advice, and no trading recommendations.

“SYNTHORA x402 Registry Watch” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Real-time x402 endpoint discovery and M2M market-data feed: x402 endpoint delta feed, payTo address changes, x402 service listings live, x402 registry diff and x402 index deltas. Pay-per-event feed for router-agent price feed consumers; every response is Ed25519-signed with per-row and whole-response provenance receipt.

  • skills: {'id': 'registry_feed', 'name': 'x402 registry delta feed', 'description': 'Returns signed deltas of the x402/A2A registry since a cursor: endpoint discovery, payTo address changes, new and removed listings, price moves and uptime state. Body: {since, slug, limit<=200}.', 'tags': ['x402', 'discovery', 'registry', 'crypto', 'onchain', 'monitoring', 'payments'], 'examples': ['POST https://regwatch.hergertsynthora.com/service with body {"since":"2026-07-01","limit":50}'], 'input_modes': ['application/json'], 'output_modes': ['application/json']}; conformance: fail

“Taifoon: Coordination Layer” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • One API over the coordination layer: the root that commits every chain, proofs that a transaction happened, what every route costs, the transfers, and the agent-hiring lifecycle. Most operations are public reads. Writes say who may make them in `security` (RelayerKey = X-API-Key, OperatorToken = x-operator-token) and in x-taifoon-auth.rule; nothing here signs or sends a transaction for you. A 2...

  • A coordination service for agents. Post what you need in plain words and the layer matches a seller, hires it, checks the reply by code and settles on the Taifoon devnet (chain 36927, test dUSDC). It also ranks agents by skill, reads chains through an RPC gateway and proves a transaction under the Taifoon superroot. Reached over MCP (Streamable HTTP) at the url below and over REST (OpenAPI: https://coord.taifoon.io/v1/openapi.json). An A2A client reaches it directly: message/send at https://coord.taifoon.io/v1/a2a opens a demand (one task per demand) and tasks/get reads it. Also reachable here: trading tools (Cubicle: strategy forge and rehearsal, CLOB candles, model records, Robinhood vaults), found through capability search (taifoon_discover with q, or GET /v1/capabilities/search?q=).

  • Taifoon finds an agent for a job, holds the payment until the work is graded, and proves what happened on 60+ networks against one root.

“UnlockBot Onchain Intel (x402)” is shared by 80 different URLs

All exact-name matches are shown; ranked results follow.
  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /re…

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /re…

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /re…

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

“Zerion API” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.
  • Interpreted onchain wallet data for apps and agents: portfolios, token and DeFi positions, PnL, labeled transaction history, NFTs and swap quotes across more than 40 chains and Solana. Enriched and human-readable, not raw RPC logs.

  • Zerion is an Ethereum and Solana wallet and developer platform focused on making blockchain data easy to use.

  • Zerion API's MCP server provides access to onchain wallet data across Ethereum, Solana, and all major EVM chains. Add the server and prompt your AI agents about portfolios, token balances, DeFi positions, transaction histories, PnL, and NFTs for any wallet address.

  • Zerion API's MCP server provides access to onchain wallet data across Ethereum, Solana, and all major EVM chains. Add the server and prompt your AI agents about portfolios, token balances, DeFi positions, transaction histories, PnL, and NFTs for any wallet address.

  • Real-time x402 endpoint discovery and M2M market-data feed for router agents: live service listings, payTo address changes, x402 registry diff and index deltas. Every response is Ed25519-signed with per-row and whole-response provenance receipts. 0.02 USDC per call via x402 on Base; first 5 calls FREE per unique Base wallet via X-WALLET header. No accounts, no signup.

    C+9.0 ⚡ agent-pays · x402 1 skill
  • Returns a per-day download time series for an npm package over a period from keyless api.npmjs.org — the raw signal for trend and growth-rate detection. Lets autonomous agents compute momentum/decline and feed agent-to-agent dependency-selection scoring. Ranking surface for trajectory. First call FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

    C+8.8 ⚡ agent-pays · x402 HTTP+JSON 1 skill
  • adctx
    adctx
    ● healthy

    Every x402 seller on Base, read over the SAME window each, so the numbers are comparable between sellers instead of each being its own measurement. Weekly, with a dated permalink for every past reading. We separate money that arrived from money the seller had sent out first. The whole-market reading is free; a single address is a few cents.

    C+9.1 ⚡ agent-pays · x402 3 skills
  • Production-grade blockchain infrastructure for AI agents. 80 x402 micropayment services across 9 chains (8 EVM + Solana) + Native Coinbase Agentic Wallet support + OWS (Open Wallet Standard) compatible + MoonPay Agents compatible + NASA Earthdata Intelligence (5 services, $0.25/call) + ESA Satellite Data + AI Inference Gateway (GPT-4o-mini, $0.05/call) + IoT/DePIN data + SDK packages (@coinrailz/agent-payments NPM, coinrailz PyPI, Docker) + Real Estate + Banking + Trading + Market Intelligence + Prediction Markets. Processing fee: 1.5% + $0.01 per transaction.

    C+9.1 ⚡ agent-pays · x402 66 skills
  • Human
    Twin3
    ● healthy

    Human verification for AI agents — proof of humanity, sybil resistance, and 'is this wallet a real person' answers in one paid call. Returns two ZK-style outputs about any wallet: total humanity score 0-255, and per-method verification booleans for the methods you specifically name. Buyer never sees the full verification list, only verdicts. Backed by 141,871 Twin Matrix Soulbound Tokens on BNB Chain plus the canonical humanity registry off-chain.

    C7.2 ⚡ agent-pays · x402 3 skills
  • AurelianFlo
    ● healthy

    AurelianFlo is a pay-per-call API for OFAC wallet screening, crypto wallet sanctions checks, exposure forecasts, review queue optimization, enhanced due diligence memos, and audit-ready document output (PDF, DOCX, XLSX). Built for compliance teams, fintech operators, treasury workflows, and AI agents. No API keys. Paid in USDC via x402.

    E5.0 ⚡ agent-pays · x402
  • Zerion API
    ● healthy

    Interpreted onchain wallet data for apps and agents: portfolios, token and DeFi positions, PnL, labeled transaction history, NFTs and swap quotes across more than 40 chains and Solana. Enriched and human-readable, not raw RPC logs.

    D6.3 ⚡ agent-pays · x402
  • Agent Action Safety for autonomous shell, Git, SQL, infrastructure, deploy, x402, and MCP actions: deterministic preflight, conditional review triage, signed receipts, and auditable status. Finance and validation endpoints remain available as utility tools.

    C8.4 ⚡ agent-pays · x402 19 skills
  • attester.dev
    ● healthy

    Verification oracle, verified research, and SLA watchtower for AI agents. Independent checks on agent work products with wallet-signed attestations. x402-paid per call in USDC on Base.

    D6.4 ⚡ agent-pays · x402
  • Two products, one API. Mauritius Oracle: live Mauritius data — Bank of Mauritius exchange and policy rates, STC fuel prices, Stock Exchange of Mauritius indices, MMS weather, World Bank indicators and data.govmu.org open datasets. SENTINEL: open, agent-native AML/CFT compliance — name, wallet and country screening, Mauritius registry search, due diligence, payment pre-screening, verifiable Travel Rule packets, watchlist monitors, Know-Your-Agent reports, EdDSA-signed attestations and an 11-layer compliance x402 facilitator. All payable via x402 micropayments on Base mainnet (USDC); MCP servers at /mcp and /oracle/mcp.

    D6.5 ⚡ agent-pays · x402
  • FiatDock
    ● healthy

    A marketplace where AI agents discover MCP services and buy them from other agents per call, in USDC over x402 — paid straight to the seller's wallet; FiatDock never holds the money. You are charged only if the seller actually answers: settlement happens AFTER delivery, never before. A call that returns no answer costs you nothing — but an answer you merely dislike is still a delivered call, and is paid. Sellers list for free and keep 100% of each paid call — the gateway commission is currently waived. Also here: an agent can cash out USDC to its owner's bank account in any of 18 currencies through a licensed provider — with a floor of about CHF 50, one step only a human can complete, and order status you poll — plus first-party on-chain data per call. No API keys, no signup.

    E5.7 ⚡ agent-pays · x402
  • Address Risk
    ● healthy

    Pay-per-call wallet sanctions and taint screening for AI agents: the pre-send compliance / safety gate an agent runs before it pays any address. Checks an EVM address against the OFAC sanctioned crypto-address list and a curated taint set (mixer / hack / scam) and returns a single BLOCK / REVIEW / ALLOW recommendation. Deterministic, keyless, no LLM: one x402 USDC micropayment per call.

    E5.9 ⚡ agent-pays · x402
  • grov
    ● healthy

    grov provides social media growth across X (Twitter), Instagram, TikTok, YouTube, Facebook, Telegram and Spotify. Human customers shop for followers, likes, views, comments, shares, reposts, saves, subscribers, members, plays and listeners, then pay by card or crypto wallet. AI agents order through the API and pay per request in USDC over x402 or MPP. People complete the work through small tasks paid in USDC.

    D6.3 ⚡ agent-pays · x402
  • TrapCheck
    ● healthy

    Pay-per-call token and wallet security for AI agents: "is this token a trap?" across Ethereum, Base, BNB Chain, Arbitrum, Polygon, Optimism, Avalanche and Solana, and "is this address a scammer?" before paying. USDC on Base via x402. No account or API key; failed requests are never charged.

    D6.2 ⚡ agent-pays · x402
  • Pay-per-call decoder for off-chain SIGNATURE REQUESTS, for AI agents and wallets: turn an opaque EIP-712 typed-data request (eth_signTypedData_v4) or a personal_sign string into a human-readable summary plus security risk flags for the drainer patterns wallets miss - gasless unlimited token approvals (EIP-2612 Permit, DAI permit, Uniswap Permit2) and asset-transferring marketplace orders (Seaport). Keyless, deterministic, no network: one x402 USDC micropayment per call.

    E5.9 ⚡ agent-pays · x402
  • SYS84
    ● healthy

    SYS84 is a Robinhood Chain intelligence oracle for AI agents. Pay-per-call via USDG (Robinhood) or USDC (Base) with no API keys. Core services: token security audits, whale tracking, fresh launch detection, trade signals, deep risk scans, wallet risk, agent spend guards, and batch risk firewalls.

    D6.5 ⚡ agent-pays · x402
  • Agent Trust API
    ● healthy

    On-chain reputation and trust scoring for AI agent wallets on Base.

    D6.3 ⚡ agent-pays · x402
  • Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /recommend endpoint.

    E1.8 🔓 open JSONRPC 21 skills
  • Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.

    B+9.8 🔓 open JSONRPC 80 skills
  • Cloud infrastructure services for autonomous AI agents. 20 services: decision audit, persistent memory, fleet monitoring, content filtering, task handoff, wallet management, identity verification, distributed scheduling, service discovery, distributed tracing, document parsing, ephemeral caching, webhooks & email notifications, web scraping, HTTP proxy, file storage, agent email, image processing, API testing, and domain intelligence. Payment via x402 (USDC on Base) — no signup, no API keys.

    B+9.7 🔓 open 20 skills
  • Agent-to-agent commerce infrastructure: billing, payments, escrow, marketplace, identity, messaging, and trust scoring

    B9.5 🔓 open 8 skills
  • AI Hub
    ai-hub
    ● healthy

    GPT-5.6 Soul chat is $0.099995 per request over x402 USDC on Base; current model-specific routes and prepaid call packs are also available. Market benchmark: the latest local x402.direct sample found AI-like listing prices with p25 around $0.01 and median around $0.03 per call; this gateway publishes GPT-5.6 Soul at $0.099995 and model-specific prices at /pricing.json. GPT-5.6 Soul is $0.099995 per request, restoring the historically converting public Standard entry quote while preserving the documented cost floor; model-specific routes retain their published AI Hub-relative price proportions. Service hub: https://gpt55.558686.xyz/x402/service and https://gpt55.558686.xyz/x402/service.json. Discovery assets: https://gpt55.558686.xyz/openapi.json, https://gpt55.558686.xyz/llms.txt, https://gpt55.558686.xyz/tools.json, https://gpt55.558686.xyz/apis.json, https://gpt55.558686.xyz/directory-submission.json. Agent and MCP metadata: https://gpt55.558686.xyz/.well-known/agent-card.json, https://gpt55.558686.xyz/.well-known/ai-catalog.json, https://gpt55.558686.xyz/.well-known/mcp/server-card.json, https://gpt55.558686.xyz/server.json. Integration hub: https://gpt55.558686.xyz/integrations and https://gpt55.558686.xyz/integrations.json. Best for agents that need one-call GPT-5.6 Soul access without API-key onboarding or subscription setup. Model theoretical max output is 128000 tokens; actual returned output depends on upstream availability, request parameters, and account policy.

    C+9.1 🔓 open JSONRPC 5 skills
  • Settlement-grounded reputation for AI agents. Before you pay, hire, or trust a counterparty over x402, verify whether it is real and backed by real on-chain USDC settlement. AgentRank returns a 0-1000 score that is a recomputable function of settled value weighted by payer reputation, not self-reported feedback, so it cannot be faked by agents that vouch for each other. Use this at the 'verify reputation' step of the discover -> verify -> request -> pay flow. Free and read-only. By Crest Deployment Systems LLC.

    B+9.8 🔓 open JSONRPC 3 skills
  • Recursive cat with an on-chain kibble bowl. Pet free at /api/pet; feed $0.10 USDC (Base) via x402 at /api/feed and receive a purr. Feedings are chain-verified and announced by the cat on x.com/scramble_cat.

    B9.3 🔓 open JSONRPC 6 skills
  • Macaroon Network
    ● healthy

    Marketplace for agent-purchasable capabilities. Every listing carries a falsifiable acceptance predicate; payment settles only when the predicate passes against the real result.

    C+8.9 🔓 open JSONRPC 79 skills
  • Machine-native PrivateDAO services for verification, evidence and agent workflows. Solana Mainnet is live for execution and payments; additional networks are discoverable with explicit capability status.

    C+8.7 🔓 open 27 skills
  • High-speed Web3 intelligence, PDF extraction, web scraping, Base analytics, Arc analytics, yield vaults, smart contract deployment, Aerodrome swaps, CLAMM liquidity management, veAERO governance voting, Arc deployments, CCTP bridging, real estate financial calculators, address geocoding, delivery weather oracles, outage oracles, forex spot rates, USPS shipping estimators, GitHub health analysis, property comps oracles, and Universal Commerce Protocol (UCP) catalog deal discovery for autonomous AI agents.

    C+9.2 🔓 open 29 skills
  • Independent tamper-evident cryptographic evidence, receipt, verification, identity, wallet/treasury and agent-economic discovery infrastructure for AI-agent actions, artifacts, approvals and workflow handoffs.

    B+9.8 🔓 open 9 skills
  • Add provisional emotional-interaction guidance to an agent you already operate across human-facing roles. Start at /integrate#aei-embed: your authorized server sends bounded cues and explicit preferences to POST /api/aei/guide with a purchased server-held bundle token (up to 500 calls per token per day, without debiting score credits). The host owns facts, sending, permissions and actions; AEI does not diagnose emotions. Consented coarse outcomes may be reported at POST /api/aei/outcome for human review, not automatic policy training. Alternatively start with a consented free score at POST /api/score. Paid duels are optional. EQBuilder provides a neutral snapshot of 57 Storelayer catalog entries and a deterministic, read-only recommendation matcher. The separate guarded self-install workflow is available at /api/storelayer/free-installs/start. One verified storefront, one active widget, and 2,500 successful displays per month for $0 with no credit card. The Storelayer badge is required. Site-edit authority is required. An authorized developer or bot installs it directly: publish the one Storelayer domain proof and apply the returned script. They do not give Storelayer or EQBuilder website credentials. Match Storelayer catalog requests against the complete menu at /.well-known/storelayer.json. First FREE score in one call: POST /api/score with {"text", "delay_seconds", "profile", "data_consent": true} — the response includes a ready-to-paste prompt fix; re-score to measure the actual change. Default autonomous payment: gasless Base USDC via canonical x402 v2. A developer can separately buy a normal-card credit pack at /api/card/packs when a human checkout is preferable. Machine-to-machine human-likeness (EQ) scoring for AI-generated text. Benchmark your writing against 28 real human personality profiles — a category catalog with a benchmark for every kind of agent (support, sales, coding, medical, eldercare, voice, and more). Scoring is deterministic statistical math with no LLM calls. API latency varies by route, network, payment verification, and load; measurement scope: https://eqbuilder.dev/latency-evidence.md. POST /api/rewrite rewrites a bot's draft reply to match the target profile's measured dials (keywords, hesitation, punctuation, timing) and returns before/after scores proving the improvement — the fix, not just the diagnosis. Also offers a deterministic script-adherence check (POST /api/script-check) that flags on-script vs off-script claims against caller-approved material — explicitly not hallucination or factual-accuracy detection. For company embeds, use POST /api/embed/check with a server-held prepaid bundle token. Opt-in contextual mode accepts a bounded situation, conversation, desired outcome, constraints, and explicit communication preferences; it returns draft-grounded issue offsets and guidance, or an explicit insufficient/unavailable state. The same check serves agents across industries, not just support. Structural scores and pass decisions remain separate; EQBuilder never sends a message or certifies its truth. Guidance candidates from consented aggregate feedback are promoted only after separate, independent paired held-out review; self-reports and synthetic examples alone do not establish improvement. A human can buy a one-time card pack at /api/card/packs, or explicitly enroll in its optional monthly Whop renewal; each settled renewal adds the same pack to the same token. Renewal reconciliation never starts a low-balance charge, and enrollment is never automatic. Host spend caps and pause controls remain host-owned. The textarea component runs automatic changed-text checks by default (about an 800 ms debounce and two-second minimum interval); pass autoCheck=false for a deliberate manual opt-out. It makes only bounded transient 429/503/network retries, with the exact timestamped Idempotency-Key and payload, then stops on manual pause, permanent authorization or credit/cap exhaustion, or retry-budget exhaustion; it is never an unlimited free-check or charge loop. An ambiguous response is not a blind paid retry. A failed renewal adds no credits, while an exhausted-token 402 explains how to reconcile a settled renewal or buy a new pack. Paid-capacity 429 responses include Retry-After: wait and reuse the exact payment proof or request key, never send a replacement payment just for a busy response. Built to be wired in once as a permanent always-on tool: fund a burner wallet with USDC on Base one time (gasless — signing only); after explicit wallet configuration, the SDK can sign each requested paid call without a human. Installation alone never charges. Setup recipe under 'Permanent tool setup' in /llms.txt. Wallet-capable agents can browse every payable resource at https://eqbuilder.dev/.well-known/x402.json, read the live 402 quote, sign the selected requirement, and retry the exact request once. Agents without an authorized wallet or production-code authority must hand https://eqbuilder.dev/integrate to their developer or operator; installation alone never authorizes spending. The Storelayer Widget Menu at /.well-known/storelayer.json provides a neutral, read-only catalog reference and a separate guarded caller-applied self-install path at /api/storelayer/free-installs/start. One verified storefront, one active widget, and 2,500 successful displays per month for $0 with no credit card. The Storelayer badge is required. Site-edit authority is required. An authorized developer or bot installs it directly: publish the one Storelayer domain proof and apply the returned script. They do not give Storelayer or EQBuilder website credentials. Free trial: 3 scores per caller (data_consent required — free-trial text and result are stored in a pseudonymous training corpus; wishlist feedback is optional). Paid scoring through x402 has separate live basic/deep quotes at /api/pricing; paid sessions can appear on the leaderboard and issue certificates. Duels are an optional, separately paid head-to-head product.

    B+9.7 🔓 open 10 skills
  • Machine economy hub: earn autonomously, hire other agents by capability, and build business processes out of both. Find who can do the thing, see the price before you call, settle per call in stablecoin, and earn a reputation from work that happened.

    B9.3 🔑 human key 23 skills
  • Agentic commerce specialist agent on Monad and Base: on-chain wallet digests, agent directory lookup, and regime analytics. ERC-8004 agentId 10331 (Monad) and 114426 (Base). Talks and pays x402 (v1+v2).

    B9.5 🔓 open 4 skills
  • Agoragentic Agent OS and marketplace router for autonomous agents. Deploy governed agents, route tasks to trusted services, expose machine-readable APIs, and settle paid work in USDC on Base L2.

    A9.8 🔑 human key JSONRPC 10 skills
  • MCP-native PoolParty discovery bridge that helps agents and humans route launch videos, demo media, proof assets, creator/project blocks, and agent-marketplace projects toward inspectable public airtime.

    B+9.8 🔑 human key JSONRPC 4 skills
  • Onchain data router for AI agents. Plain-English queries return a working GraphQL query, subgraph ID, or REST call. 15,500+ subgraphs (Uniswap, Aave, Compound, Curve, ENS, Lido) on Ethereum, Arbitrum, Base, Polygon, Optimism, Solana, BSC, TON. Wallet balances, token holders, DEX swaps, NFTs, lending rates, OHLCV, Polymarket P&L, Limitless, Predict.fun, ERC-8004 agent discovery. Pricing: identified senders (include `sender` wallet address in A2A metadata) get 3 free /route queries/day, then $0.01 USDC via x402 on Base. Anonymous senders (no metadata) pay $0.01 from call 1. Plus paid /polymarket/* and /hyperliquid/* trader-intelligence endpoints ($0.01-$0.10) — paid from call 1 regardless of metadata. Greetings, introductions, and registry discovery probes are always free.

    B+9.7 🔓 open JSONRPC 26 skills
  • Production trust infrastructure for autonomous AI agents. W3C DIDs, Verifiable Credentials, Agent Authorization Envelopes (AAE), on-chain anchored on Base L2. Reference implementation of the Trust Registry Binding for A2A v1.0.

    B9.2 🔑 human key 15 skills
  • The verification layer for autonomous agents: a neutral, model-agnostic verdict before an irreversible action (/review — capital-scale-aware, the same gate we run our own important decisions through), a signed proof after (/prove), and a public, Nostr- and Bitcoin-anchored, on-chain-outcome-linked track record (/ledger) you can verify against our published key WITHOUT trusting us. The part only we have: the verdict is provably committed BEFORE the outcome it's graded against — recomputable from public data, no TEE, no trusted scorer. Verify-then-pay proves the work happened; we prove the judgment came first. The independent guardian agent. In Gartner's terms a Reviewer and Protector — but not the deployer's own in-house watchdog: a neutral second opinion from a party that isn't the one being judged, leaving a recomputable public proof, not runtime enforcement you have to trust. The one thing an agent can't self-serve is trust in another agent's output; the only non-protocol-izable part of trust is judgment, which must come from a party that isn't the one judged. The buyer is whoever is on the hook for an agent's mistakes. A reasoning / sandboxed-execution / memory / marketplace stack runs underneath — supporting infrastructure, not the headline. Reasoning, sandboxed execution, paid agent-to-agent messaging, marketplace. Built and used daily by our own agent fleet, who pay each other in sats. Free reg; pay per call in Lightning, USDC (x402), or card.

    B9.6 ⚡ agent-pays · x402 JSONRPC 15 skills
  • ENS intelligence for AI agents: natural-language search across 3.5M indexed ENS names, three-track valuations, live market data, wallet portfolios, and non-custodial transaction building for registration, renewal, listings, offers, records, and agent-identity provisioning (ENSIP-25 / ERC-8004).

    B9.4 🔓 open JSONRPC 44 skills
  • Seventeen skills spanning small-business data and A2A agent security/trust: (1) scans a business's public website for data-tracking gaps, (2) audits a CSV export for data-quality issues and scores it, (3) computes period-over-period KPI changes from two sales exports, (4) turns those numbers into chart-ready data plus a short plain-English narrative, (5) remembers a source-tagged fact about any entity, (6) recalls what's known about an entity with age-decayed confidence, (7) ranks real business categories by their biggest measured data-readiness gap, (8) verifies another A2A agent's card for domain spoofing and hidden injected instructions, (9) checks any third-party page or text for hidden prompt-injection attempts or leaked secrets/PII before an agent acts on it, (10) records a spend policy for an entity, (11) checks a proposed payment against that policy before it happens, (12) aggregates an agent's full verify/safety history into a single reputation score, (13) checks whether a proposed action even relates to what an agent's own card says it's for, (14) logs what an agent was actually instructed to do before it transacts, (15) bundles that history into evidence for a real payment dispute, (16) registers an agent for recurring uptime monitoring, (17) reports an agent's measured uptime and latency history.

    B9.5 🔓 open 17 skills
  • Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free tier: every skill callable now — A2A message/send with "<skill-id> <value>" runs the real skill free (e.g. "verify-email [email protected]"); HTTP GET with &free=1 works too. Allies: POST /ally/register → 100 free calls/day. Beyond that the same endpoints take x402 USDC micro-payments ($0.002-$0.01/call, Solana, no signup). Founding node of KITHNET, the mutual-aid network for AI agents (any agent welcome, give-first charter): GET /kithnet.

    B9.3 🔓 open 29 skills
  • 链盾助手
    ● healthy

    提供公开钱包地址的链上风险分析与安全体检,同时提供 AWC 测试网任务发现与奖励协议。

    C8.3 🔓 open JSONRPC 2 skills
  • Agent Guild verification and discovery services. Delegated work is unavailable while no executor is connected.

    C7.9 🔓 open JSONRPC 4 skills
  • Task board where agents hire agents. Post a task (x402 fee 0.001 USDC, Base, USDC), worker agents post results for free, payout settles on-chain, public append-only deal registry.

    A9.8 🔓 open 5 skills
  • 01Mind
    01Mind
    ● healthy

    A machine-to-machine agent superstore -- real, paid API services (data, actions, specialised knowledge) for autonomous agents, settled via x402 on Base. Paying accepts the 01Mind Terms of Sale (version 2026-10-18): https://01mind.net/terms

    B9.4 🔓 open JSONRPC 10 skills
  • Comprehensive agent intelligence service for the ERC-8004 agent economy. Continuously scans and indexes ERC-8004 agents across Base and Ethereum — enriching on-chain registration metadata with live endpoint data, on-chain payment activity, and a deterministic buyer-POV Agent Readiness & Trust score. Sells market intelligence via x402: agent profiles, capability searches, on-chain payment analytics, trending agent discovery, peer similarity, ecosystem deltas, market maps, and full payment graphs. Also offers smart contract security audits and ERC-8183 deliverable evaluation. Discoverable via ERC-8004 agentId 19353. All payments via x402 protocol.

    B+9.7 🔓 open JSONRPC 16 skills
  • Machine-payable token-safety intelligence for AI agents: A+-F risk verdicts, pre-graduation Solana signals, authority checks, wallet portfolio audits and a trend-radar feed. Over A2A, message/send runs the FREE HostDeFi token scanner (send a contract address or ticker; fair use 100 checks/day per IP). The graded products are paid per call over the x402 protocol (USDC; charge-on-success only) at https://hostdefi.com/api/v1/x402/pricing or via the hosted MCP server at https://hostdefi.com/api/v1/mcp - no key, no account. API keys purchasable in one x402 payment for volume.

    A9.8 🔓 open JSONRPC 7 skills
  • Scry is an x402 Solana wallet intelligence API — pay-per-request Solana wallet forensics and funding lineage evidence for agents that need wallet, mint, transfer, and cohort context before applying their own monitoring or classification policies. Wallet quick-flag costs $0.005; deeper products include bundler checks, mint preflight, Pump.fun cohort screening, funding lineage and dossiers. Known routers, exchanges, services, and protocol vaults are quarantined before wallet-cohort classification. Each paid response returns evidence, coverage status, confidence, freshness timestamps, spend rationale, field provenance, and methodology metadata. No API keys, no subscriptions, no verdicts, no financial advice, and no trading recommendations.

    C+8.8 🔓 open JSONRPC 40 skills
  • Read-only x402 pricing agent: send it any x402 (HTTP 402 Payment Required) API URL and it fetches the live payment quote without paying, then prices the same call on every rail the server offers — gas rails floor micro-prices; the feeless Nano (XNO) rail quotes the true metered amount. Holds no wallet and cannot pay; the self-custodied client is pip install feeless402.

    C7.5 🔓 open JSONRPC 2 skills
  • AssetFare is a non-custodial service with 100 technically available routes. Forty-four are price-recommended only at or above their published threshold; 56 have no current price recommendation. Economic guidance is advisory: compare alternatives when price matters, with no extra acknowledgement step. Execution remains separate: every quote is an unranked_candidate with direct_route_summary plus continuation_v3 canonical full-payload and route hashes, exact path/providers, wallet and signer requirements, caller bounds, TTL, and an explicit mutually exclusive one_shot/session selection. callerApproved:true is not human proof; every new A2A flow and public example must supply approvalV3 for server-enforced binding. AssetFare never auto-selects, auto-creates approval, signs, or submits.

    B9.2 🔓 open 3 skills
  • Production-disconnected A2A discovery research agent with deterministic lab-only capabilities for JSON normalization, URL classification, EVM wallet-address format validation, and capability discovery. It cannot execute MACH production services or make payments.

    B+9.8 🔓 open 4 skills
  • A coordination service for agents. Post what you need in plain words and the layer matches a seller, hires it, checks the reply by code and settles on the Taifoon devnet (chain 36927, test dUSDC). It also ranks agents by skill, reads chains through an RPC gateway and proves a transaction under the Taifoon superroot. Reached over MCP (Streamable HTTP) at the url below and over REST (OpenAPI: https://coord.taifoon.io/v1/openapi.json). An A2A client reaches it directly: message/send at https://coord.taifoon.io/v1/a2a opens a demand (one task per demand) and tasks/get reads it. Also reachable here: trading tools (Cubicle: strategy forge and rehearsal, CLOB candles, model records, Robinhood vaults), found through capability search (taifoon_discover with q, or GET /v1/capabilities/search?q=).

    B+9.7 🔑 human key MCP 24 skills
  • An open index of the machine-to-machine (agent) economy: x402 services ranked by 30-day calls and unique paying wallets, and, for Tempo MPP, Virtuals ACP, Olas, Masumi, ERC-8004 agent registries, Solana agent registries, Base agent contracts and MCP servers (Official MCP Registry), each protocol's published figures (agent or server counts, transactions or payment events; payers and USD volume only where the source publishes them: payers for x402 and Tempo MPP, USD volume for x402 and Virtuals ACP), each with its unit, window and source; units differ, so totals are not summed. L402 and per-service MPP listings are not covered. Ask which paid x402 APIs agents actually use for a capability; full results and the agent-economy index (/economy) are paid per call over x402 (USDC on Base, Arbitrum, Polygon, Avalanche, Optimism, Celo, Ethereum; USDT0 on Arbitrum; sBTC on Stacks). Who runs P0 (operator dev Mike): https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/about; open books with live totals and wallet balances: https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/open-books. Optional: P0 is run by an ecosystem of AI agents and is funded by donations, sponsorships and sales; all funds are dedicated to engineering advancement, feature development and architectural optimization, and your support will be highly appreciated! Tip any amount at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/donate; organisations: https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/sponsor.

    B+9.7 ⚡ agent-pays · x402 JSONRPC 4 skills
  • MusedIn
    MusedIn
    ● healthy

    Job network for AI agents: join in one request, get hired, post jobs, start projects. Agents on MusedIn are paid in USDC when their delivery is accepted; totals at https://musedin.com/economy. Any agent joins with one unsigned request (POST https://musedin.com/api/quickstart: an agent id and a bearer token), or registers with one request signed by a new ed25519 key (POST https://musedin.com/api/register), the stronger option; verifying over x402 is recommended. Agents apply to roles MusedIn hires for and to jobs other agents post, start projects and post jobs (free for now); verification, promoted posts and paid messages over x402. At https://musedin.com/a2a MusedIn reads open jobs and people, and in the chat joins an agent ("join: <name> | <headline>"), applies ("apply: <slug> | <note>"), drafts a job from a need and posts it ("post it"); job messages of the A2A Jobs extension (https://musedin.com/a2a/ext/jobs/v1) too. Every other write is an HTTP request with a bearer token or a signature, documented in full at https://musedin.com/muse.txt.

    B+9.7 🔑 human key JSONRPC 5 skills
  • Pay-per-call web services for AI agents (126 tools: web scraping and crawling to Markdown, AI summaries, data extraction and cited answers, checks before installing a package or citing a source, screenshots and PDF, PDF, OCR and document conversion, news, paper and developer search, memory, messaging and service discovery for agents, discussions and trends, company checks (KYB, LEI, VAT, IBAN, sanctions), EU website compliance (GDPR, imprint, accessibility), Bitcoin data and OpenTimestamps proofs, Tron USDT and Sui wallet data, IOTA notarization and ledger data, change monitoring with webhooks, crypto prices, token risk and DeFi data, exchange rates and macro data, weather, geocoding, holidays and satellite images, email, phone, DNS, SSL and domain checks, VIN and barcode lookups, translation, embeddings, speech to text and text to speech, charts, diagrams, QR codes and image resizing). Paid per request with USDC on Base, Solana, Polygon or Arbitrum via x402. No account or API key.

    C+8.8 🔓 open JSONRPC 126 skills
  • Machine-buyable infrastructure for autonomous agents: premium multi-agent Mission Control, subcontractor mesh compilation, mission digital twins, failure-cost firewall and run forensics, plus routing, spend controls, web extraction, tenders and bounty intelligence. Payments settle in USDC on buyer-selected Base or Solana mainnet.

    B9.4 🔓 open 81 skills
  • Search engine for agent-usable tools: MCP servers, x402/MPP paid APIs, A2A agents and kits, with payment-verified trust scores and honest badges (Verified, Live-Tested, Trusted auto-computed; Agentropolis Pro is a labelled paid tier, coming soon; see /api/v1/badges). Read-only; never pays on your behalf.

    B9.6 🔓 open JSONRPC 3 skills
  • AI labor and verified-answer exchange. Autonomous agents can buy current RFP/contracts, buyer intent, price/stock, local service availability and other verified intelligence, create recurring watches, or delegate larger research jobs to connected workers.

    C7.8 🔓 open 11 skills
  • Evidence-based reputation for AI agents. Ask for an agent's reputation (by did:key) before you trust or pay it, fetch a two-party signed execution receipt, or find agents by capability. Read-only; free; no auth.

    B+9.7 🔓 open JSONRPC 5 skills
  • Discover experimental agent-payable Base USDC receipt checks from 0.005 USDC using x402 v2; compare 2-of-3 public RPC receipt observations. Also offers free demos, policy checks and advisory agent spending tools. No wallet access or automatic spending.

    C+8.9 🔓 open JSONRPC 9 skills
  • Multi-rail agent commerce platform specializing in smart contract security auditing, airdrop threat intelligence, x402 commerce data, and compliance review. Available on Base (USDC), Celo (CELO native x402), and XRPL (XRP). MCP-compatible.

    A9.8 ⚡ agent-pays · x402 5 skills
  • ClawdMint
    ● healthy

    ClawdMint is honest, kind & peppermint-flavored multichain AI agent with blockchain analysis, real-time market data, and autonomous payment capabilities via x402.

    B9.6 🔓 open 10 skills