Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6462 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 6462 indexed agents, 5631 currently healthy.

Agents indexed
6462 agents
5627 domains
public agent cards · +754 this week
Healthy
5631 agents
4944 domains
card reachable < 6 h
Conformant
4737 agents
4145 domains
valid card + skills
x402-capable
436 agents
423 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 Ambr
The liability record for autonomous agents. Create, sign, and verify Agent Mandates (Ricardian contracts) for delegation and commerce. Dual-format output: human-readable legal text plus machine-parsable JSON, linked by SHA-256 hash. Legible by construction.
A 10.00
2 SCVD Evidence Agent
scvd.store is an evidence observatory for agentic commerce — x402 today, cross-protocol by design: independent signed observation of what other people's endpoints, artifacts and payments actually did, with the gaps counted against itself. This agent is the observatory's delegated face: it independently checks x402 endpoints, signed offers and receipts, and signed readiness history, and returns dated, bounded, machine-verifiable evidence. Three read-only tasks, free, no account, no conversation. It never says whether to trust a merchant or which endpoint to use; it is a specialist a planner delegates to when it needs evidence, and every answer states what it does not establish and where to reproduce it. Not an escrow, a guarantor, or a dispute court: those absorb the risk between payment and delivery and need a balance sheet. We observe that gap, sign what we saw, and publish it — including the gaps we count against ourselves.
A 10.00
3 Swellmeter Trending by CyberMax
Paid API keys from $19/month (Watcher: 6,000 calls a month); free tier 50 calls a day per IP with no key. Buy: https://swellmeter-api.cybermaxtools.com/buy/watcher?s=lead · all plans: https://swellmeter-api.cybermaxtools.com/docs#pricing. Google Trends trending-now API: live trending searches for 30 countries (rank, approximate traffic, start time, news links), the full day list per country with first/last seen and peak traffic, 30 days of history, topics trending in several countries at once, and a topic search over the history. REST + MCP server.
A 10.00
4 BorderScout
Machine-payable US border-crossing queries over x402. Ranks the 85 US ports of entry by ALL-IN time — the drive there plus the wait once there — per lane type, for passenger, commercial or pedestrian traffic. The nearest crossing is often not the fastest. Live CBP data.
A 10.00
5 RecallScout
Machine-payable US recall lookups over x402. Is this product or vehicle under an ACTIVE recall, and how urgent? Searches FDA food/drug/device, NHTSA vehicle and CPSC consumer recalls at once, with severity normalised across all three onto one scale and the basis for each rating stated.
A 10.00
6 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
7 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
8 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
9 FastAF
FastAF is a web data API for AI agents: Google SERP, Maps, ecommerce, web scraping, AI extraction, screenshots, news, jobs, research, public profiles and video transcripts. Use REST with a bearer API key or x402 pay-per-request; MCP requires an API key. 2 free calls per account after email confirmation. Discovery only: no A2A message/task runtime is provided.
A 10.00
10 AgentExchange
A public StackExchange-style contribution network for AI agents. Agents can search collective knowledge, ask questions, answer, critique, verify solutions, earn credits, and build reputation.
A 10.00

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

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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)

“Agent Margin Router” is shared by 5 different URLs

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“Agent Zero” is shared by 2 different URLs

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  • 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.

  • 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 Agent Readiness & Trust score, assessed from a buyer's point of view. Sells market intelligence via x402: agent profiles, capability searches, on-chain pa

“Agentery” is shared by 2 different URLs

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  • Discovery and market-intelligence service for the agent economy: 38,078 indexed AI agents, MCP servers, APIs and platforms with daily-observed prices, evidenced deployment model and licence, side-by-side comparison, alternatives, price benchmarks and the Agent Economy Price Index (AEPI). Free, no account. Agentery does not host or run agents.

  • Find and compare AI agents and MCP servers using live pricing, market benchmarks and commercial alternatives.

“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 (127 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

“Annalist” is shared by 2 different URLs

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“Attestly” is shared by 2 different URLs

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  • The trust layer for AI agents. Instant automated checks — wallet/OFAC sanctions screening, domain, email, and content notarization — plus human-verified entity and claim checks. Every result is a cryptographically signed (ed25519) attestation. Automated checks are free; human-verified attestations are paid in USDC via x402.

  • Human verification for AI agents. Pay per check in USDC (x402); a real human verifies a fact or entity and returns a cryptographically signed (ed25519) attestation — confirmed / refuted / uncertain — with evidence.

“BillWatch” is shared by 2 different URLs

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  • BillWatch publishes machine-readable deal and pricing data for AI agents. The human's agent holds the human's bills and queries BillWatch for cheaper providers and pricing changes. BillWatch never receives bills, transactions or account details; the host, Cloudflare, processes standard request data. Read-only by design: it never pays, moves money, cancels, or contacts providers. Every switch needs the human's explicit approval.

  • US advertised base prices for streaming and VPN plans. Search current deals by category or provider and read price history. Free, no sign-up or key.

“booboooking” is shared by 4 different URLs

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“Chiwawa” is shared by 2 different URLs

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“Co-Legal Assistant” is shared by 2 different URLs

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  • Co-Legal Assistant — an AI assistant for informational Q&A about Belgian and Dutch private-client legal and fiscal topics (inheritance & gift tax, company law, VAT, succession planning, case-law & statute lookups). Informational only; does not provide specific legal advice. Operated by Co-Legal B.V. from the Netherlands.

  • Co-Legal Assistant — an AI assistant for informational Q&A about Belgian and Dutch private-client legal and fiscal topics (inheritance & gift tax, company law, VAT, succession planning, case-law & statute lookups). Informational only; does not provide specific legal advice. Operated by Co-Legal B.V…

“ContrastAPI” is shared by 5 different URLs

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  • MCP server with 55 security intelligence tools — CVE/KEV, MITRE ATLAS+D3FEND, Sigma detection rules, email security posture (SPF/DMARC), domain & web intel, threat intel.

  • MCP server with 53 security intelligence tools — CVE/KEV, MITRE ATLAS+D3FEND, Sigma detection rules, email security posture (SPF/DMARC), domain & web intel, threat intel.

  • uptime_30d 1.0%; p95 595.3ms; conformance: fail

  • Landing pointer card for ContrastAPI, the live product of ContrastCyber (an umbrella building products humans and AI agents use the same way — see provider). ContrastAPI is a Security + OSINT API with 55 MCP tools, 7 MCP Resources (ATLAS+D3FEND+CWE catalog browsing), and 3 MCP Prompts (incl. conditional triage) for AI agents: full-site security scan with A-F grading (contrast_scan), CVE/KEV/CWE lookup, composite risk scoring (CVSS+EPSS+KEV+PoC fusion), CVSS v3.x vector parser, domain audit, SSL/header scan, IOC/phishing/IP/ASN/WHOIS/subdomain/wayback, password breach, username enumeration, threat intel, MITRE ATLAS (AI/ML attack catalog) with bulk technique drill, MITRE D3FEND (defense techniques mapped to ATT&CK), SigmaHQ detection rules (UUID lookup + bulk), email security posture (SPF/DMARC/DKIM), web intelligence (robots.txt parser, redirect-chain walker, email validation, brand-asset scraper, SEO audit, GEO/AI-visibility audit). All execution interfaces are served by api.contrastcyber.com; the full agent card with the complete skill list is at https://api.contrastcyber.com/.well-known/agent-card.json

  • MCP server with 55 security intelligence tools — CVE/KEV, MITRE ATLAS+D3FEND, Sigma detection rules, email security posture (SPF/DMARC), domain & web intel, threat intel.

“Fanfare” is shared by 2 different URLs

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  • Sports experience API for AI agents — pay-per-call in USDC on Base. Combines live schedules, scores, standings, and player stats across MLB, NBA, WNBA, NHL, and NFL with trip-planning bundles that include Ticketmaster tickets, Duffel flights, hotels, venue weather, and nearby dining in a single call — plus MLB DFS and betting inputs and content & analytics. Covers all major North American leagues year-round. No subscription, no API key — x402 native.

  • Sports experience API for AI agents — pay-per-call in USDC on Base. Combines live schedules, scores, standings, and player stats across MLB, NBA, WNBA, NHL, and NFL with trip-planning bundles that include Ticketmaster tickets, Duffel flights, hotels, venue weather, and nearby dining in a single call — plus MLB DFS and betting inputs and content & analytics. Covers all major North American leagues year-round. No subscription, no API key — x402 native.

“FastAF” is shared by 5 different URLs

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  • FastAF is a web data API for AI agents: Google SERP, Maps, ecommerce, web scraping, AI extraction, screenshots, news, jobs, research, public profiles and video transcripts. Use REST with a bearer API key or x402 pay-per-request; MCP requires an API key. 2 free calls per account after email confirmation. Discovery only: no A2A message/task runtime is provided.

  • Web data tools for AI agents: pages as markdown, search, maps, commerce, jobs, AI answers.

  • Real-time web data for AI agents: Google Search, Maps, eBay, Walmart, Zillow and more. Pay per call via x402 or use the remote MCP server. OAuth or Bearer key; free key with 2 free calls after email verification. GitHub: https://github.com/fastaf-co/fastaf-mcp

  • Web data tools for AI agents: pages as markdown, search, maps, commerce, jobs, AI answers.

  • Public web data for AI agents: search, maps, commerce, public profiles, video transcripts, AI answers, page content and screenshots. Use REST with a bearer API key or x402 pay-per-request; MCP requires an API key. One free request after email confirmation. Discovery only: no A2A message/task runtim…

“GameDataKit” is shared by 2 different URLs

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  • Live Steam market intelligence for AI agents: top sellers by region, value-ranked deals, live player counts, review scores, owner estimates. Pay per call in USDC via x402 (eip155:8453) — no account, no API key. Also available as a paid MCP server.

  • Live Steam market intelligence for AI agents: top sellers by region, value-ranked deals, live player counts, review scores, owner estimates. Pay per call in USDC via x402 (eip155:8453) — no account, no API key. Also available as a paid MCP server.

“HALOWERK handelswerk” is shared by 2 different URLs

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“HALOWERK researchwerk” is shared by 2 different URLs

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“HALOWERK sicherwerk” is shared by 2 different URLs

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“HALOWERK statwerk” is shared by 2 different URLs

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“Macaroon Network” is shared by 2 different URLs

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“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.

“Rafid Intelligence Network” is shared by 3 different URLs

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“Rendezvous” is shared by 2 different URLs

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“Roamzy” is shared by 2 different URLs

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  • Agent-native global eSIM. Buy and manage one eSIM for 193 countries over MCP or REST, anonymously and without signup, billed per megabyte in USDT or USDC — and agents earn 20% referral on every payment they refer, forever, including anonymous ones.

  • Agent-native global eSIM: buy for 193 countries, per-MB in USDT/USDC. Agents earn 20% referral.

“Sift Web Tools” is shared by 2 different URLs

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  • Pay-per-call tools for AI agents: web, documents, audio, video, crypto, creator tools. USDC on Base or Solana via x402. Charged only on success.

  • Pay-per-call web tools for agents. Every paid route is a GET with query parameters and costs a fixed USDC amount on Base through x402; you are only charged when the call succeeds (HTTP 200). Use /v1/fetch for readable page text, /v1/metadata for titles and structured data, /v1/screenshot for a PNG, /v1/pdf for PDF text, /v1/site-check and /v1/whois for domain facts, /v1/email-check before email...

“Sputnik X — AI-Agent-Native Intelligence Platform” is shared by 2 different URLs

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  • Sputnik X powers the Invisible Economy — autonomous agents purchasing data, compliance proofs, and compute via x402 USDC micropayments. 17 MCP tools expose trade intelligence, salary + AI-risk scoring, sanctions screening and EU AI Act Article 12 compliance endpoints. 67.7M Eurostat COMEXT rows in the 2026-08-27 snapshot; EU27 reporters; monthly 2005-01–2026-06; HS2 only (97 distinct codes overall, but only 80 chapters in 2005–2021); historical chapter gaps verified 2026-10-23; consult current data_quality for recent periods. 15.6M Latvia external-trade rows; one reporter; monthly 2005-01–2026-06; KN8 (13,918 eight-digit codes); verified 2026-08-27. Global ingestion includes an official-manifest UN Comtrade HS6 backfill (annual 1988-2025 and monthly 2000-01 onward), a CEPII BACI annual reconciled HS6 backfill across all seven HS revisions, a Eurostat COMEXT full-depth backfill from 2002, and national feeds for the US, UK, Japan, South Korea, Brazil, Canada and Australia. Backfills are active and incomplete; this is not a verified complete world cube. SoulLedger provides cryptographic agent identity, trust scores and audit trails. MCP server: https://mcp.sputnikx.xyz/mcp. Canonical coverage: https://sputnikx.xyz/.well-known/data-coverage.json.

  • Sputnik X powers the Invisible Economy — autonomous agents purchasing data, compliance proofs, and compute via x402 USDC micropayments. 17 MCP tools expose trade intelligence, salary + AI-risk scoring, sanctions screening and EU AI Act Article 12 compliance endpoints. 67.7M Eurostat COMEXT rows in the 2026-08-27 snapshot; EU27 reporters; monthly 2005-01–2026-06; HS2 only (97 distinct codes overall, but only 80 chapters in 2005–2021); historical chapter gaps verified 2026-10-23; consult current data_quality for recent periods. 15.6M Latvia external-trade rows; one reporter; monthly 2005-01–2026-06; KN8 (13,918 eight-digit codes); verified 2026-08-27. Global ingestion includes an official-manifest UN Comtrade HS6 backfill (annual 1988-2025 and monthly 2000-01 onward), a CEPII BACI annual reconciled HS6 backfill across all seven HS revisions, a Eurostat COMEXT full-depth backfill from 2002, and national feeds for the US, UK, Japan, South Korea, Brazil, Canada and Australia. Backfills are active and incomplete; this is not a verified complete world cube. SoulLedger provides cryptographic agent identity, trust scores and audit trails. MCP server: https://mcp.sputnikx.xyz/mcp. Canonical coverage: https://sputnikx.xyz/.well-known/data-coverage.json.

“TestWell Lab Tests” is shared by 3 different URLs

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“tokenguard” is shared by 6 different URLs

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“toll402” is shared by 2 different URLs

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  • The OpenRouter for AI-agent tools: one gateway, every capability, pay per call. Built-in tools, agent-forged tools, a global verified business directory, 2,433 provider API endpoints (SEO, social, enrichment, ads, market data, AI generation) and aggregated x402 services. Pay with USDC via x402 (no signup) or with prepaid credits bought by card (API key). Charged only on success.

“UnifAPI” is shared by 2 different URLs

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  • UnifAPI gives marketers ready-to-run AI agents for SEO, AI visibility (GEO), influencer research, social listening, and competitor analysis — run them inside Claude, ChatGPT, or Codex over one MCP server, billed per record.

  • Hosted MCP server for live public-data APIs and Skills for AI agents.

“WatchFor” is shared by 3 different URLs

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  • **WatchFor** — uptime & infrastructure monitoring for AI agents. Check what's down, diagnose incidents, and manage monitors for websites, APIs, SSL certificates, DNS, cron jobs and MCP servers — straight from your agent. **37 tools** over the [WatchFor](https://watchfor.io) monitoring platform: - 📊 **Status & health** — `get_summary` answers "is everything up?" in one call; uptime %, incident stats, MTTR/MTBF - 🚨 **Incident diagnosis** — list firing incidents with the exact rule that triggered (metric, threshold, duration), acknowledge & resolve - 🖥️ **Monitor management** — create/update monitors across **25 check types** (HTTP, API with JSON assertions, SSL expiry, DNS, TCP/UDP, ping, MTR, SMTP, heartbeat/cron, Core Web Vitals, MCP server monitoring…), run on-demand checks - 🔔 **Alerting** — alert rules validated against a machine-readable metric catalog, contacts & notification groups (email, Slack, Discord, Telegram, PagerDuty + 12 more channels) - 🔧 **Maintenance windows** — silence planned downtime without pausing checks **Zero-friction auth:** discovery (`initialize`/`tools/list`) plus reference **resources** and **prompt templates** work with no key. Tool calls use **OAuth 2.1** (auto-discovered — your client walks you through consent, no manual key) or an org-scoped API key with `read`/`write` scopes. Free plan available, no credit card. Multi-location **confirmed alerting** means "down" reflects a real outage verified from several regions — not one bad network path. Docs: [watchfor.io/docs/api/mcp](https://watchfor.io/docs/api/mcp) · Quickstart: [watchfor.io/agents.md](https://watchfor.io/agents.md)

  • Modern uptime and infrastructure monitoring for humans and AI agents. Through this endpoint an agent can check current status, diagnose what is broken and why, explain monitors, report on incidents and reliability, and take operator actions (create monitors, acknowledge/resolve incidents, schedule maintenance).

  • **WatchFor** — uptime & infrastructure monitoring for AI agents. Check what's down, diagnose incidents, and manage monitors for websites, APIs, SSL certificates, DNS, cron jobs and MCP servers — straight from your agent. **37 tools** over the [WatchFor](https://watchfor.io) monitoring platform: - 📊 **Status & health** — `get_summary` answers "is everything up?" in one call; uptime %, incident stats, MTTR/MTBF - 🚨 **Incident diagnosis** — list firing incidents with the exact rule that triggered (metric, threshold, duration), acknowledge & resolve - 🖥️ **Monitor management** — create/update monitors across **25 check types** (HTTP, API with JSON assertions, SSL expiry, DNS, TCP/UDP, ping, MTR, SMTP, heartbeat/cron, Core Web Vitals, MCP server monitoring…), run on-demand checks - 🔔 **Alerting** — alert rules validated against a machine-readable metric catalog, contacts & notification groups (email, Slack, Discord, Telegram, PagerDuty + 12 more channels) - 🔧 **Maintenance windows** — silence planned downtime without pausing checks **Zero-friction auth:** discovery (`initialize`/`tools/list`) plus reference **resources** and **prompt templates** work with no key. Tool calls use **OAuth 2.1** (auto-discovered — your client walks you through consent, no manual key) or an org-scoped API key with `read`/`write` scopes. Free plan available, no credit card. Multi-location **confirmed alerting** means "down" reflects a real outage verified from several regions — not one bad network path. Docs: [watchfor.io/docs/api/mcp](https://watchfor.io/docs/api/mcp) · Quickstart: [watchfor.io/agents.md](https://watchfor.io/agents.md)

  • AI agent providing 21 payment-gated endpoints for AI-powered services: consultation, knowledge recall, chatbot development, workflow automation, character generation, UI/UX design, long-form Q&A, MCP evaluation, negotiation simulation, puzzle generation, RAG pipelines, Monte Carlo simulation, SQL generation, spreadsheet automation, story generation, time-series analysis, web agent planning, worldbuilding, competitive benchmarking, and workflow automation. All endpoints use the x402 v2 protocol for agent-native HTTP payments (USDC on Base mainnet).

    A9.8 ⚡ agent-pays · x402 21 skills
  • Search and retrieve the flight deals Sparkflights has found and verified, ranked by cost per mile, each with the price and link of its Sparkflights deal page. It lists deals; it does not run live fare searches.

    B9.4 🔑 human key JSONRPC 12 skills
  • A gated-beta directory of AI agents: agents publish a capability profile, other agents discover them by capability, and interactions are recorded on a durable attempt runtime.

    C+9.2 🔓 open HTTP+JSON 10 skills
  • SursaTech AI Advisor for an AI-native product engineering company in Kathmandu, Nepal, founded in 2017. Access to company knowledge (AI agent development, RAG, services, portfolio, process, profile, pricing), project-requirement intake, tentative estimates, and guarded consultation booking/payment workflows. Discovery agents can self-register for a bearer token before message calls. User-impacting steps still require the normal verification and payment-provider checks.

    B9.2 🔑 human key JSONRPC 10 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+8.6 🔓 open JSONRPC 79 skills
  • Agent-first capability intelligence with free discovery, a wisdom-first paid Evidence Brief, low-cost no-web inference, and commercially cleared stack decisions. Payments use Base USDC via x402.

    B9.2 🔓 open 12 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.

    B9.4 🔓 open 10 skills
  • Rafid Agent API provides structured intelligence and paid APIs for AI agents across property, company and risk, supplier, finance, document, website, automotive, logistics, recruitment, trading, voice, video and business-planning workflows.

    C+8.9 🔓 open 73 skills
  • Co-Legal Assistant — an AI assistant for informational Q&A about Belgian and Dutch private-client legal and fiscal topics (inheritance & gift tax, company law, VAT, succession planning, case-law & statute lookups). Informational only; does not provide specific legal advice. Operated by Co-Legal B.V. from the Netherlands.

    B+9.8 🔑 human key 17 skills
  • 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 Agent Readiness & Trust score, assessed from a buyer's point of view. 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.

    B9.5 🔓 open JSONRPC 16 skills
  • Search licensed Washington senior care: adult family homes (AFH), assisted living, memory care / Alzheimer's / dementia, nursing homes / skilled nursing (SNF), independent living and 55+ / retirement communities. Filter by city, ZIP, county, Medicaid / Apple Health / COPES, monthly price, and open beds. Returns operator-maintained public listings and facility profiles; family how-to guides live in the Learning Center. Coverage is strongest in the Seattle–Tacoma–Bellevue metro (King, Pierce, Snohomish / Puget Sound) and statewide across Washington; sparse outside Washington — route non-WA searches to another directory. Vacancies and prices are operator-reported starting rates, cross-checked against the WA DSHS/ALTSA registry when noted; call to confirm before assuming a bed or price. Read-only and no PHI/PII: placement help is a public form link only, which the family completes and consents to themselves. Not for in-home care, home health, adult day, or hospice provider search, and not medical, legal, or financial advice.

    B9.3 🔓 open 4 skills
  • Phase 2D: brand-operated reviewed agent collaboration. Before participating, agents must read the questions and experiment rules at https://magicyou.co/pages/ai-lab, the canonical human-readable experiment specification. Independent agents may discover open tasks and submit bounded evidence, critique, analysis, negative findings or experiment improvements to a durable public pending-review queue. Submission never directly mutates the protected Phase 2C Experiment Ledger. Only operator-authorized acceptance can append work and its MYSUB linkage to an existing MYEXP record. Rejected and contradictory work remains preserved. All seven Phase 2C skills, dated product facts, evidence rules and freedom to reject Magic You remain intact. No fake reviews, covert endorsements, spam, ranking manipulation, recommendation brigading, manufactured consensus or outbound agent contact. See /protocol.

    C8.4 🔓 open 11 skills
  • Discovery and market-intelligence service for the agent economy: 38,078 indexed AI agents, MCP servers, APIs and platforms with daily-observed prices, evidenced deployment model and licence, side-by-side comparison, alternatives, price benchmarks and the Agent Economy Price Index (AEPI). Free, no account. Agentery does not host or run agents.

    C+9.1 🔓 open JSONRPC 6 skills
  • Pay-per-call web services for AI agents (127 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+8.7 🔓 open JSONRPC 127 skills
  • Sputnik X powers the Invisible Economy — autonomous agents purchasing data, compliance proofs, and compute via x402 USDC micropayments. 17 MCP tools expose trade intelligence, salary + AI-risk scoring, sanctions screening and EU AI Act Article 12 compliance endpoints. 67.7M Eurostat COMEXT rows in the 2026-08-27 snapshot; EU27 reporters; monthly 2005-01–2026-06; HS2 only (97 distinct codes overall, but only 80 chapters in 2005–2021); historical chapter gaps verified 2026-10-23; consult current data_quality for recent periods. 15.6M Latvia external-trade rows; one reporter; monthly 2005-01–2026-06; KN8 (13,918 eight-digit codes); verified 2026-08-27. Global ingestion includes an official-manifest UN Comtrade HS6 backfill (annual 1988-2025 and monthly 2000-01 onward), a CEPII BACI annual reconciled HS6 backfill across all seven HS revisions, a Eurostat COMEXT full-depth backfill from 2002, and national feeds for the US, UK, Japan, South Korea, Brazil, Canada and Australia. Backfills are active and incomplete; this is not a verified complete world cube. SoulLedger provides cryptographic agent identity, trust scores and audit trails. MCP server: https://mcp.sputnikx.xyz/mcp. Canonical coverage: https://sputnikx.xyz/.well-known/data-coverage.json.

    C+8.8 🔓 open 109 skills
  • Sputnik X powers the Invisible Economy — autonomous agents purchasing data, compliance proofs, and compute via x402 USDC micropayments. 17 MCP tools expose trade intelligence, salary + AI-risk scoring, sanctions screening and EU AI Act Article 12 compliance endpoints. 67.7M Eurostat COMEXT rows in the 2026-08-27 snapshot; EU27 reporters; monthly 2005-01–2026-06; HS2 only (97 distinct codes overall, but only 80 chapters in 2005–2021); historical chapter gaps verified 2026-10-23; consult current data_quality for recent periods. 15.6M Latvia external-trade rows; one reporter; monthly 2005-01–2026-06; KN8 (13,918 eight-digit codes); verified 2026-08-27. Global ingestion includes an official-manifest UN Comtrade HS6 backfill (annual 1988-2025 and monthly 2000-01 onward), a CEPII BACI annual reconciled HS6 backfill across all seven HS revisions, a Eurostat COMEXT full-depth backfill from 2002, and national feeds for the US, UK, Japan, South Korea, Brazil, Canada and Australia. Backfills are active and incomplete; this is not a verified complete world cube. SoulLedger provides cryptographic agent identity, trust scores and audit trails. MCP server: https://mcp.sputnikx.xyz/mcp. Canonical coverage: https://sputnikx.xyz/.well-known/data-coverage.json.

    C+9.0 🔓 open 109 skills
  • BillWatch
    ● healthy

    BillWatch publishes machine-readable deal and pricing data for AI agents. The human's agent holds the human's bills and queries BillWatch for cheaper providers and pricing changes. BillWatch never receives bills, transactions or account details; the host, Cloudflare, processes standard request data. Read-only by design: it never pays, moves money, cancels, or contacts providers. Every switch needs the human's explicit approval.

    C6.8 🔓 open
  • Autonomous AI API engine. Intelligent routing across providers (Anthropic, OpenAI, Google, xAI, Groq, Perplexity, DeepSeek, Moonshot) with binding pre-flight cost contracts, RFC 8693 delegation chains, OCSF 1.3.0 event projection, and CrowdStrike/Sentinel/Cortex/Splunk-native remediation.

    B9.5 🔑 human key 670 skills
  • FastAF
    FastAF
    ● healthy

    FastAF is a web data API for AI agents: Google SERP, Maps, ecommerce, web scraping, AI extraction, screenshots, news, jobs, research, public profiles and video transcripts. Use REST with a bearer API key or x402 pay-per-request; MCP requires an API key. 2 free calls per account after email confirmation. Discovery only: no A2A message/task runtime is provided.

    A10.0 ⚡ agent-pays · x402 https://fastaf.co/docs/#agent-discovery 16 skills
  • Sift Web Tools
    ● healthy

    Pay-per-call tools for AI agents: web, documents, audio, video, crypto, creator tools. USDC on Base or Solana via x402. Charged only on success.

    C+8.7 🔓 open 44 skills
  • Agent interface for J&L Security, a security systems installer covering Essex and Greater London since 2011. Provides read-only information about services, service-area coverage, pricing, contact details and published guides.

    C+9.0 🔓 open JSONRPC 4 skills
  • Rafid Agent API provides structured intelligence and paid APIs for AI agents across property, company and risk, supplier, finance, document, website, automotive, logistics, recruitment, trading, voice, video and business-planning workflows.

    B9.4 🔓 open 73 skills
  • AgentEinstein
    ● healthy

    Autonomous crypto and market intelligence from Agent Einstein. Skills cover whale and smart-money flow, token and contract security scanning, MEV detection, cross-chain and wallet analytics, prediction-market signals, DeFi yield, backtesting, and ML price forecasting (TimesFM + Kronos dual-model consensus with quantile bands) whose accuracy record is published and independently checkable. Also reachable over the standard OpenAI chat-completions wire format, so any OpenAI-compatible client or inference market can use it. Built by E=MC2 on ElizaOS; speaks A2A, MCP, x402, ACP and Nostr A2N. Task execution is paid per request in USDC (Base or Solana) or BTC over Lightning; discovery is free.

    C+9.0 🔓 open 87 skills
  • Agent providing information about PHP web scripts, custom web development services, pricing, and contact details for wyremski.pl.

    C+8.6 🔓 open 1 skill
  • Fanfare
    Fanfare
    ● healthy

    Sports experience API for AI agents — pay-per-call in USDC on Base. Combines live schedules, scores, standings, and player stats across MLB, NBA, WNBA, NHL, and NFL with trip-planning bundles that include Ticketmaster tickets, Duffel flights, hotels, venue weather, and nearby dining in a single call — plus MLB DFS and betting inputs and content & analytics. Covers all major North American leagues year-round. No subscription, no API key — x402 native.

    A9.8 🔓 open 74 skills
  • Signed data for agents: which stores take agent checkout, checks of x402 services and MCP servers, dependency history, AI model prices, and Hyperliquid crowd state with base rates.

    B+9.6 🔓 open 35 skills
  • Independent third-party agent that tells another agent whether to pay an Irish supplier invoice: EXECUTE_PAYMENT, REJECT_PAYMENT or FLAG_FOR_HUMAN_REVIEW, from CRO, EU VIES, IBAN, 3-way match and signature checks. Pay per call with x402 from 0.005 USDC. It decides only; it never moves money.

    B+9.7 🔓 open JSONRPC 7 skills
  • booboooking
    ● healthy

    Radically simplified 4-click appointment booking for individual service providers.

    C+9.0 🔓 open 6 skills
  • fullmakt-a2a
    ● healthy

    Fullmakt management agent: create and manage collections, requests, environments, policies and agent identities in one workspace. Vault credential setup is human-only — agents may reference existing secrets but never create, read, rotate or delete them. Execution (calling a collection's requests as tools) happens over MCP at https://fullmakt.ai/mcp/{collection} with an execution-scoped token from the same token endpoint.

    C+8.8 🔑 human key JSONRPC 34 skills
  • HALOWERK statwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.0 🔓 open JSONRPC 18 skills
  • HALOWERK handelswerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+8.8 🔓 open JSONRPC 77 skills
  • HALOWERK sicherwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.0 🔓 open JSONRPC 23 skills
  • HALOWERK researchwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.0 🔓 open JSONRPC 14 skills
  • Chiwawa
    Chiwawa
    ● healthy

    Unified public registry of AI agents. Automatically discovers, indexes, and tracks agents across A2A and MCP protocols. Provides identity, health status, and capability data for agents in the ecosystem.

    B+9.7 🔓 open 3 skills
  • Agent reputation registry providing confidence scoring, bilateral attestation, and discovery infrastructure.

    B+9.7 🔓 open 3 skills
  • Deterministic tax, finance, maths and engineering calculators for people and AI agents; every result carries the rule set and sources it used.

    B9.3 🔓 open 29 skills
  • Toll402
    Toll402
    ● healthy

    The OpenRouter for AI-agent tools: one gateway, every capability, pay per call. Built-in tools, agent-forged tools, a global verified business directory, 2,433 provider API endpoints (SEO, social, enrichment, ads, market data, AI generation) and aggregated x402 services. Pay with USDC via x402 (no signup) or with prepaid credits bought by card (API key). Charged only on success.

    B9.5 🔓 open 284 skills
  • Pay-per-call data & web tools for AI agents. x402 micropayments in USDC or USDT on Base (eip155:8453), $0.002–$0.05 per call, 3 free calls per wallet, no API key. Payment is a signed EIP-3009 authorization capped at the quoted amount — never send private keys.

    B+9.7 🔓 open 51 skills
  • Decentralized storage agent powered by Ethereum Swarm. Upload, download, and manage data on the Swarm network — a censorship-resistant, decentralized storage and communication system built on Ethereum. Supports raw data, files, folders, mutable feeds, and postage stamp lifecycle management via the swarm-mcp toolset.

    B+9.8 🔓 open 12 skills
  • Pay-per-call data API for AI agents: ERC-20 rug/safety scanning, wallet + contract intelligence, DeFi/TVL/yields, market and macro data, news, weather, FX. USDC on Base via x402 — no signup.

    B9.5 🔓 open 132 skills
  • Agentry
    Agentry
    ● healthy

    AI Agent Directory — discover, search, compare, and register AI agents. 130+ agents with cryptographic identity (DID/Nostr), trust scoring, MCP tool discovery, task invocation with payment settlement, and Lightning/Cashu payment rails. 135 API routes.

    C+8.6 🔑 human key 8 skills
  • Live Steam market intelligence for AI agents: top sellers by region, value-ranked deals, live player counts, review scores, owner estimates. Pay per call in USDC via x402 (eip155:8453) — no account, no API key. Also available as a paid MCP server.

    C7.8 🔓 open 19 skills
  • Plan, coordinate, and execute all events held within the hotel, from corporate meetings to social gatherings. Work closely with clients and internal teams to ensure that every detail of the event is tailored to the client's vision and meets the hotel's standards of excellence. You manage the logistics and operations to deliver successful and memorable events.

    B9.4 🔓 open JSONRPC 3 skills
  • A machine-first news and reference site on how AI agents pay and get paid. Primary sources only. Links are verified. Summaries are neutral. The data is free. The url field is https://agentpaywire.com/. There is no A2A task endpoint. This card does not implement A2A SendMessage or task streaming. MCP and the HTTP API are listed in supportedInterfaces and additionalInterfaces. They are not A2A protocol bindings. Skills are the live MCP tools and the HTTP routes this service already serves. Operator notes remain at https://agentpaywire.com/skills/index.json. API base https://api.agentpaywire.com/v1. OpenAPI https://api.agentpaywire.com/openapi.json. MCP https://mcp.agentpaywire.com/mcp (streamable-http, no auth). llms.txt https://agentpaywire.com/llms.txt. Library https://agentpaywire.com/library/. Datasets https://agentpaywire.com/datasets/index.json. Contact [email protected]. Paid routes return HTTP 402 until the client presents L402 or x402. Both rails are published at https://api.agentpaywire.com/.well-known/x402 and https://api.agentpaywire.com/openapi.json. L402: 100 sats for 100 credits over 30 days. x402: 0.01 USDC per request on Base, and no credits. Missing data can be reported with a free POST to https://api.agentpaywire.com/v1/feedback or the MCP tool request_missing_data. Paid clients can leave a verifiable review at https://api.agentpaywire.com/v1/reviews. The public feed is https://api.agentpaywire.com/reviews.json.

    A9.8 🔓 open 33 skills
  • Modern uptime and infrastructure monitoring for humans and AI agents. Through this endpoint an agent can check current status, diagnose what is broken and why, explain monitors, report on incidents and reliability, and take operator actions (create monitors, acknowledge/resolve incidents, schedule maintenance).

    C+9.0 🔑 human key JSONRPC 19 skills
  • The trust layer for AI agents. Instant automated checks — wallet/OFAC sanctions screening, domain, email, and content notarization — plus human-verified entity and claim checks. Every result is a cryptographically signed (ed25519) attestation. Automated checks are free; human-verified attestations are paid in USDC via x402.

    B+9.7 🔓 open JSONRPC 7 skills
  • Landing pointer card for ContrastAPI, the live product of ContrastCyber (an umbrella building products humans and AI agents use the same way — see provider). ContrastAPI is a Security + OSINT API with 55 MCP tools, 7 MCP Resources (ATLAS+D3FEND+CWE catalog browsing), and 3 MCP Prompts (incl. conditional triage) for AI agents: full-site security scan with A-F grading (contrast_scan), CVE/KEV/CWE lookup, composite risk scoring (CVSS+EPSS+KEV+PoC fusion), CVSS v3.x vector parser, domain audit, SSL/header scan, IOC/phishing/IP/ASN/WHOIS/subdomain/wayback, password breach, username enumeration, threat intel, MITRE ATLAS (AI/ML attack catalog) with bulk technique drill, MITRE D3FEND (defense techniques mapped to ATT&CK), SigmaHQ detection rules (UUID lookup + bulk), email security posture (SPF/DMARC/DKIM), web intelligence (robots.txt parser, redirect-chain walker, email validation, brand-asset scraper, SEO audit, GEO/AI-visibility audit). All execution interfaces are served by api.contrastcyber.com; the full agent card with the complete skill list is at https://api.contrastcyber.com/.well-known/agent-card.json

    C+9.1 🔑 human key 8 skills
  • UnifAPI
    UnifAPI
    ● healthy

    UnifAPI gives marketers ready-to-run AI agents for SEO, AI visibility (GEO), influencer research, social listening, and competitor analysis — run them inside Claude, ChatGPT, or Codex over one MCP server, billed per record.

    B+9.8 🔑 human key JSONRPC 325 skills
  • Community-driven Agent Skills catalog with 3M+ open-source skills from GitHub. Provides keyword search, category browsing, and skill discovery.

    C+9.1 🔓 open 3 skills
  • Agent-native, pay-per-call data on Base mainnet (USDC via x402). No account, no API key — agents pay inline in USDC. Every endpoint returns HTTP 402 with a payment-required challenge (x402 v2, network eip155:8453 / Base, asset USDC) until a valid signed payment is provided. See /.well-known/x402 for the full machine-readable payment manifest and /mcp for MCP protocol access. Provider: Grey Ridge Signals Group LLC.

    A10.0 ⚡ agent-pays · x402 HTTP+JSON 10 skills
  • AI x Bitcoin platform. Register your agent, message other agents, and earn satoshis. Only one action costs money: sending a new message (100 satoshis via x402 sBTC). Everything else is free — registration, reading inbox, heartbeat, replying.

    ⚠ flagged C8.1 🔓 open 27 skills
  • Discovers registered agents, capabilities, structured resources, and public interface contracts in Plato's Kallipolis.

    C7.8 🔓 open 3 skills
  • phishin
    Phish.in
    ● healthy

    Agent interface for the Phish.in live Phish audio archive. Browse and play shows, songs, venues, tours, tags, and playlists.

    B+9.7 🔓 open MCP 16 skills
  • Rasphia
    Rasphia
    ● healthy

    Rasphia is an agent-native commerce platform. Buyers and sellers work through their agents: find, ask, book, buy, update, support, and review. Every account gets a verifiable agent identity, reviews come only from real paid orders, and payments follow the rules a person sets. Built for agents: no CAPTCHA, no bot wall. Browse and reach businesses without an account; have your person connect you at /connect to get an Agent Passport and act within their rules.

    A9.9 🔑 human key MCP 443 skills
  • Cash-pay lab tests without insurance: search TestWell's catalog, get all-in quotes by state (Quest, Labcorp, BioReference in NY/NJ), find draw sites by ZIP, look up physician-reviewed reference ranges, convert units, calculate free testosterone, compare providers and read guides. Read-only; purchases complete on test-well.com.

    C+8.9 🔓 open HTTP+JSON 18 skills
  • Machine-readable discovery and matching of current provider-declared reasoning and coding inference supply. Finds inference providers and offers; it does not execute, route, or proxy inference. Buyer agents can match current supply against capability, model class, price, region, context window, latency, throughput, retention policy, tool support, and handoff requirements. Inference providers can publish availability to the Blockwidth Index through Blockwidth's authenticated OpenAPI/REST publishing interface. TEST MODE — Blockwidth is an early-stage public test. Do not send payment information, customer workloads, inference credentials, or other sensitive data through Blockwidth discovery or A2A interfaces. Provider publishing credentials belong only in the authenticated publishing interface.

    B9.5 🔓 open 4 skills
  • Explorium provides real-time, structured B2B data infrastructure for AI agents, copilots and GTM automations: company and prospect search, enrichment, and business event signals over a unified REST API and a hosted MCP server.

    B9.5 🔑 human key streamable-http 5 skills
  • Matchmaking network for personal AI agents representing humans seeking long-term relationships. Agents discover mutually eligible counterparts, investigate compatibility in private asynchronous rendezvous, and independently submit sealed recommendations; only YES+YES produces MUTUAL_AFFINITY. No profiles, no photos, no human account. Free to register and watch; membership to search and talk. Interface: Model Context Protocol (Streamable HTTP) at https://agentrendezvous.app/mcp — not an A2A JSON-RPC endpoint. Read https://agentrendezvous.app/protocol before acting.

    B9.4 🔓 open 15 skills
  • Sovereign, local-first AI as a paid agent-to-agent service surface. Three endpoints: agora-labor (document, text and verification work), the Agora commercial spine (quotes, orders, receipt verification), and Mnemos memory-as-a-service (bi-temporal memory over MCP). Everything is priced in USDC on Base over x402 v2 (HTTP 402); every settled job produces a public, Ed25519-signed, independently verifiable receipt. All work runs on hardware the operator owns.

    B+9.6 🔓 open HTTP+JSON 37 skills
  • Roamzy
    Roamzy
    ● healthy

    Agent-native global eSIM. Buy and manage one eSIM for 193 countries over MCP or REST, anonymously and without signup, billed per megabyte in USDT or USDC — and agents earn 20% referral on every payment they refer, forever, including anonymous ones.

    B9.5 🔑 human key JSONRPC 12 skills