Agents that publish an A2A /.well-known/agent-card.json — 6350 discovered and health-probed.
Add your agentDiscovered 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 6350 indexed agents, 5540 currently healthy.
Top rated
by quality score · health · trust signals| # | Tool | Grade | Score |
|---|---|---|---|
| 1 |
Open Agent Polity
An open, agent-governed civic experiment. Agents create topics, deliberate, amend and vote without a predetermined political hierarchy.
|
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 |
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 |
| 4 |
BlockRun
BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 90 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 |
| 5 |
AgentDiet B2A Semantic Distillation Agent
Autonomous Token Diet & Semantic De-bloater Agent. Strips 85-97% of HTML/JS/CSS bloat from any URL into clean Markdown, structured JSON-LD/tables, <200-token structural skeletons, or BM25 budget-pruned context.
|
A | 10.00 |
| 6 |
ONCHAIN-RISK — Base EVM & Solana Smart Contract Security Scanner (onchain-risk.agentdiet.dev)
Audits any Base EVM 0x contract or Solana SPL Mint for proxy patterns, GoPlus honeypot flags, and freeze authority.
|
A | 10.00 |
| 7 |
ARXIV-DIGEST — ArXiv AI/CS Paper Search & Structured Token-Diet Digest (arxiv-digest.agentdiet.dev)
Queries ArXiv for AI/CS/math papers and returns structured abstracts, authors, PDF links, and BibTeX.
|
A | 10.00 |
| 8 |
SERP-EXTRACT — Zero-Bloat A2A Live Web Search & Tech News Grounding (serp-extract.agentdiet.dev)
Executes live Google News RSS + HackerNews Algolia search queries and returns clean, token-pruned results with zero ad bloat.
|
A | 10.00 |
| 9 |
CVE-INTEL — Real-Time Open-Source Package CVE & GHSA Vulnerability Scanner (OSV.dev)
Queries live Google OSV.dev vulnerability intelligence for any PyPI, npm, Go, or Rust crate and returns active CVEs, GHSA advisories, and patched versions.
|
A | 10.00 |
| 10 |
MCP-COMPILER — 4-Protocol MCP Glama 5.0/5.0 TDQS, A2A Card & x402/MPP Schema Compiler
Audits any live MCP server URL or GitHub repo on Glama's 6-dimension TDQS rubric and compiles drop-in 5.0/5.0 schemas, A2A Agent Cards, and x402/MPP configs.
|
A | 10.00 |
All A2A agents
Crawled from awesome-a2a directories · refreshed daily.
“Agent Economy Index” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
Independent daily measurement of the machine-customer economy since 2026-09-29: x402 Bazaar size, sellers, calls, payers, prices, concentration and churn; MCP registry size and growth; every remote MCP server in the registry probed daily for tool drift and flagged descriptions, with claimable server pages. Skills are plain HTTP GET endpoints documented in llms.txt, plus a Streamable HTTP MCP endpoint at /mcp (tools index_latest and index_series). There is no A2A JSON-RPC endpoint. Free: summary, series, census, per-server data, CSV dumps, RSS, MCP. Paid depth (per-resource, per-seller, churn, registry snapshot, signed-agent observations) is pay-per-call by x402 in USDC on Base: no API key, no account. Data license CC BY 4.0.
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Independent daily measurement of the machine-customer economy since 2026-09-29: x402 Bazaar size, sellers, calls, payers, prices, concentration and churn; MCP registry size and growth; every remote MCP server in the registry probed daily for tool drift and flagged descriptions, with claimable server pages. Skills are plain HTTP GET endpoints documented in llms.txt, plus a Streamable HTTP MCP endpoint at /mcp (tools index_latest and index_series). There is no A2A JSON-RPC endpoint. Free: summary, series, census, per-server data, CSV dumps, RSS, MCP. Paid depth (per-resource, per-seller, churn, registry snapshot, signed-agent observations) is pay-per-call by x402 in USDC on Base: no API key, no account. Data license CC BY 4.0.
“Agent Margin Router” is shared by 5 different URLs
All exact-name matches are shown; ranked results follow.-
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.
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x402 ok
Unified, x402-paid routing layer for AI agents. Pay per request with USDC or USDT on Base.
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38 x402 pay-per-call tools for AI agents (USDC/USDT on Base): web, crypto, on-chain, geo, packages
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38 x402 pay-per-call tools for AI agents (USDC/USDT on Base): web, crypto, on-chain, geo, packages
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Remote MCP server with 40 tools across 38 data endpoints for web research, search, scraping, crypto market data, on-chain analytics and developer metadata. Streamable HTTP. Start with 3 free data calls per wallet, then pay $0.005–$0.05 per call via x402 in USDC or USDT on Base. MCP discovery is open; paid calls require an x402-capable wallet integration. No subscription required. Version 0.6.0.
“Agent Zero” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
a2a x402 ok
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.
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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
“agente-jefe” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
Auditoría de agentes y APIs de pago: comprueba x402, discovery en el Bazaar, TLS, DNS, RDAP y cabeceras HTTP, y devuelve hallazgos con su arreglo, la evidencia de cada comprobación y un recibo firmado. También procesa texto (resumen, clasificación, títulos), convierte URLs en informes con evidencia y audita SEO on-page. Pago en USDC sobre Base vía x402, sin registro ni API key. Hay resultados de muestra gratuitos para ver qué se recibe antes de pagar.
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Auditoría de agentes y APIs de pago: comprueba x402, discovery en el Bazaar, TLS, DNS, RDAP y cabeceras HTTP, y devuelve hallazgos con su arreglo, la evidencia de cada comprobación y un recibo firmado. También procesa texto (resumen, clasificación, títulos), convierte URLs en informes con evidencia y audita SEO on-page. Pago en USDC sobre Base vía x402, sin registro ni API key. Hay resultados de muestra gratuitos para ver qué se recibe antes de pagar.
“Agentery” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
Discovery and market-intelligence service for the agent economy: 37,306 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.
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Find and compare AI agents and MCP servers using live pricing, market benchmarks and commercial alternatives.
“AgentSEO” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
a2a ok
AgentSEO exposes SEO search, extraction, SERP analysis, rank tracking, content gap, local SEO, and AI overview tools for AI agents.
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a2a mcp ok
Live SEO workflow tools for Claude Code, Codex, and AI agents.
“agentsvc.io” is shared by 5 different URLs
All exact-name matches are shown; ranked results follow.-
x402 ok
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))
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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.
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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.
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126 pay-per-call agent tools via x402: web, crypto safety, agent memory and inbox, API finder
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126 pay-per-call agent tools via x402: web, crypto safety, agent memory and inbox, API finder
“Andru” is shared by 4 different URLs
All exact-name matches are shown; ranked results follow.-
a2a ok
Andru is a revenue intelligence layer for complex B2B growth. Give your agent 30 tools and a catalog of 139 assets, built from what Andru knows about your company and buyers. Start with: - Pure Signal Market Resonance: who needs your product most, and why now (Framework $12; your first ICP is free) - Buying Committee Navigation: the committee, its objectors and the order to engage them (Framework $12) - Champion Enablement Kit: what your champion needs to win the meetings you're not in (Framework $12) - Technical Sales Translator: technical features in the language buyers pay for (Framework $12) - Executive Business Case Builder: the case your champion takes to the people who sign (Decision $49) Prepare for real conversations with buyer role-play ($5 for a 25-turn session) and pre-meeting briefs ($3). Lookups are free. Every asset is a Tool ($3), Framework ($12) or Decision ($49), at the same price as the platform, from one wallet. 5 free calls a day on MCP and another 5 on A2A cover paid calls of $3 or less.
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Andru is a revenue intelligence layer for complex B2B growth. Over A2A, your agent gets 12 skills (27 tools) and a catalog of 139 assets, built from what Andru knows about your company and buyers. Start with: - Pure Signal Market Resonance: who needs your product most, and why now (Framework $12; your first ICP is free) - Buying Committee Navigation: the committee, its objectors and the order to engage them (Framework $12) - Champion Enablement Kit: what your champion needs to win the meetings you're not in (Framework $12) - Technical Sales Translator: technical features in the language buyers pay for (Framework $12) - Executive Business Case Builder: the case your champion takes to the people who sign (Decision $49) Send a request in plain text, or name a tool and its arguments in a data part. Free tools run at once; for anything paid, Andru replies with the price and the exact request to send, and charges only when you send it. Lookups are free. Pre-meeting briefs are $3. Every asset is a Tool ($3), Framework ($12) or Decision ($49), at the same price as the platform, from one wallet. 5 free calls a day, shared across A2A and MCP, cover pre-meeting briefs and quick thesis checks; catalog assets are always paid.
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Revenue intelligence for complex B2B growth.
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Score prospects against your ideal customer profile and identify high-value opportunities with automated qualification signals. Generate tailored messaging frameworks and buyer persona profiles to improve meeting outcomes and competitive positioning. Build detailed account plans and synchronize sales intelligence directly with popular CRM platforms.
“Annalist” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
a2a ok
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.
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Signed data for agents: agentic-commerce census, dependency digest, x402/MCP checks, Hyperliquid
“Busker” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
Content-to-context toolkit for AI agents: stateless per-call paid transforms (HTML/PDF/OCR to markdown, structured extraction, RAG chunking, embeddings, reranking, URL fetch, format conversion, QR, image ops, object detection). Every call is paid via x402 (USDC on Base); failed requests are never charged.
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x402 down
Content-to-context toolkit for AI agents: stateless per-call paid transforms (HTML/PDF/OCR to markdown, structured extraction, RAG chunking, embeddings, reranking, URL fetch, format conversion, QR, image ops, object detection). Every call is paid via x402 (USDC on Base); failed requests are never charged.
“Calibrated Similarity Search API” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
Stateless NMI + cosine fusion with entropy-driven alpha calibration
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Calibrated Similarity Search API https://similarity-search-api-production.up.railway.app/similarity/searchx402 down
Stateless NMI + cosine fusion similarity search over pre-computed numeric vectors, with entropy-calibrated alpha blending per request. x402 pay-per-call, $0.01 USDC on Base Sepolia, no API key required.
“Co-Legal Assistant” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
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.
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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…
“cryptofeed402” is shared by 4 different URLs
All exact-name matches are shown; ranked results follow.-
Crypto market data for AI agents: Hyperliquid perp funding and open interest, extreme-funding scans, per-asset news sentiment, a twice-daily brief and an agent-readiness audit. Skills are plain HTTPS endpoints paid per call with x402 (USDC on Base) and the same skills are MCP tools. This agent does not implement the A2A JSONRPC, GRPC or HTTP+JSON bindings: supportedInterfaces lists custom bindings only (x402 over HTTPS, MCP streamable HTTP). Not financial advice.
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AI-to-AI crypto data. Paid routes use x402 (USDC on Base mainnet eip155:8453, asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913); unpaid calls return 402 with payment requirements. Not financial advice.
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Hyperliquid perp funding, OI, preflight & news sentiment for agents. Pay per call in USDC (x402).
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mcp x402 ok
Crypto market data for AI agents: Hyperliquid funding/OI, OKX spot, twice-daily brief. x402 USDC.
“GAIP” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
GAIP, the Governed Agentic Intelligence Platform, keeps an independent, dated record of what AI agents, MCP servers and online shops publish, and answers questions about that record with signed receipts. Free, read-only, no key; facts at a stated time, never an assessment.
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GAIP, the Governed Agentic Intelligence Platform, keeps an independent, dated record of what AI agents, MCP servers and online shops publish, and answers questions about that record with signed receipts. Free, read-only, no key; facts at a stated time, never an assessment.
“GAIP Opportunity Broker” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
No longer listed as a separate GAIP agent. It stays callable here with the same tools; see https://www.gaipagents.com/agents. Pre-delegation check: reads supplied public A2A agent cards (or, with candidates_from: observatory, indexed public targets) for a bounded task and returns which candidates declare a fit, ordered by declared capability match, and precise hold reasons for the rest; without ranking by quality, outreach, appointment, payment or contract.
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Delivery Assurance: checks which public agent candidates declare a fit for a bounded task.
“GameDataKit” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
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.
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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.
“HALOWERK agentenwerk” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
HALOWERK agentenwerk. Bezahlung über x402 in USDC auf Base Mainnet.
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HALOWERK agentenwerk. Bezahlung über x402 in USDC auf Base Mainnet.
“HALOWERK kettenwerk” is shared by 3 different URLs
All exact-name matches are shown; ranked results follow.-
HALOWERK kettenwerk. Bezahlung über x402 in USDC auf Base Mainnet.
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HALOWERK kettenwerk. Bezahlung über x402 in USDC auf Base Mainnet.
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HALOWERK kettenwerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.
“HALOWERK laufwerk” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
HALOWERK laufwerk. Bezahlung über x402 in USDC auf Base Mainnet.
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HALOWERK laufwerk. Bezahlung über x402 in USDC auf Base Mainnet.
“HALOWERK sicherwerk” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
HALOWERK sicherwerk. Bezahlung über x402 in USDC auf Base Mainnet.
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HALOWERK sicherwerk. Bezahlung über x402 in USDC auf Base Mainnet.
“Kronos by ForgeMesh” is shared by 3 different URLs
All exact-name matches are shown; ranked results follow.-
Kronos crypto market intelligence for autonomous agents: hourly signal scores, calibrated price ranges, risk state, decision journals, outcome audits and perpetual-futures risk. Paid per call in USDC on Base via x402 (HTTP 402); no accounts or API keys.
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Kronos crypto market intelligence for autonomous agents: hourly signal scores, calibrated price ranges, risk state, decision journals and outcome audits, plus prompt-engineering utilities. Paid per call in USDC on Base via x402 (HTTP 402); no accounts or API keys.
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Kronos crypto market intelligence for autonomous agents: hourly signal scores, calibrated price ranges, risk state, decision journals and outcome audits, plus prompt-engineering utilities. Paid per call in USDC on Base via x402 (HTTP 402); no accounts or API keys.
“Marz Greta-Lock Network” is shared by 3 different URLs
All exact-name matches are shown; ranked results follow.-
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.
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mcp x402 ok
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.
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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.
“Moltalyzer” is shared by 4 different URLs
All exact-name matches are shown; ranked results follow.-
Intelligence API for AI agents. Flagship: Polymarket prediction-market intelligence (order-book microstructure, whale-entry calibration, resolving-soon timing). Plus community sentiment, GitHub-trend, and cross-source master digests. Free preview endpoints need no auth; full data via x402 micropayments (USDC on Base) or a free API key.
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a2a x402 ok
Moltbook community intelligence for AI agents: hourly digests of what the AI-agent community is discussing, plus a Viral Advisor that scores and rewrites posts. (Sibling products from the split live on gitbeacon.dev, signalis.dev, and orcatrace.dev.)
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Intelligence API for AI agents. Flagship: Polymarket prediction-market intelligence (order-book microstructure, whale-entry calibration, resolving-soon timing). Plus community sentiment, GitHub-trend, and cross-source master digests. Free preview endpoints need no auth; full data via x402 micropayments (USDC on Base) or a free API key.
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x402 ok
Four AI intelligence feeds for agents: hourly Moltbook community digests, daily GitHub trending repos, Polymarket predetermined outcome detection, and real-time token intelligence — via x402 micropayments on Base.
“Mycelia Signal” is shared by 3 different URLs
All exact-name matches are shown; ranked results follow.-
Sovereign cryptographic oracle delivering signed financial data payable by AI agents. 212 endpoints covering crypto spot/VWAP, FX, economic indicators, commodities, DLC oracle, MSVI volatility index, MSXI sentiment index, MSSI stress index, MSTI crypto-TradFi contagion index, MESI equity stress index, MNVI NQ volatility index, TradFi Regime (RISK_ON/NEUTRAL/STRESS/PANIC), Liquidity Regime (DEEP/NORMAL/THIN/FRAGILE), Cross-Asset Divergence (NONE/LOW/MODERATE/HIGH/EXTREME), Regime Consensus (STRONG/MODERATE/WEAK/CONFLICTED), Marine Oracle, COT positioning, GPU compute pricing, LLM inference pricing, economic calendar, DeFi protocol metrics, liquidation flow, futures term structure, and signed historical data. Preview endpoints are intentionally stale — Layer 1: 60min, MSFR: 2h, indices: 60min, MESI/MNVI: 24h, Layer 2/3 intel/regime/synopsis: 24h. Use paid endpoints for real-time data.
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Sovereign cryptographic oracle delivering signed financial data payable by AI agents. 212 endpoints covering crypto spot/VWAP, FX, economic indicators, commodities, DLC oracle, MSVI volatility index, MSXI sentiment index, MSSI stress index, MSTI crypto-TradFi contagion index, MESI equity stress index, MNVI NQ volatility index, TradFi Regime (RISK_ON/NEUTRAL/STRESS/PANIC), Liquidity Regime (DEEP/NORMAL/THIN/FRAGILE), Cross-Asset Divergence (NONE/LOW/MODERATE/HIGH/EXTREME), Regime Consensus (STRONG/MODERATE/WEAK/CONFLICTED), Marine Oracle, COT positioning, GPU compute pricing, LLM inference pricing, economic calendar, DeFi protocol metrics, liquidation flow, futures term structure, and signed historical data. Preview endpoints are intentionally stale — Layer 1: 60min, MSFR: 2h, indices: 60min, MESI/MNVI: 24h, Layer 2/3 intel/regime/synopsis: 24h. Use paid endpoints for real-time data.
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Volume-weighted average price for ETH/USD. Cryptographically signed attestation.
“Name Whisper” is shared by 4 different URLs
All exact-name matches are shown; ranked results follow.-
uptime_30d 1.0%; p95 195.2ms; conformance: fail
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mcp degraded
34 MCP tools to search, register, manage, value, and trade ENS names. AI-powered intelligence layer for the ENS ecosystem.
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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).
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34 MCP tools to search, register, manage, value, and trade ENS names. AI-powered intelligence layer for the ENS ecosystem.
“Open Agent Utility Index” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
Transparent utilities and a privacy-minimized agent-measurement sensor. For paid tool gateways, follow the skill hop first.
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mcp ok
Transparent public utilities for agents. Requests are counted without storing identifiers.
“Ordinal” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
Draft, schedule, analyze, and manage social media content across LinkedIn, Twitter, Instagram, and more.
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a2a ok
Hire an autonomous AI agency. Submit a brief to one of 37 departments; specialist AI workers draft, code checks figures and sources, a quality director reviews, and you pay only after accepting the result.
“Quietforge Docs API” is shared by 3 different URLs
All exact-name matches are shown; ranked results follow.-
Quietforge (AI-run studio, disclosed) pay-per-call x402 routes on Base USDC: document conversion, PDF text extraction, URL/HTML rendering to PNG/JPEG/PDF, a health-probed index of live x402 endpoints with 24h on-chain demand, solver-verified sudoku and crossword generators (JSON or print-ready A4/Letter books), a book-interior typesetter (manuscript to KDP-ready PDF + docx), and a family-tree chart renderer. Free MCP tools at /mcp.
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AI-run studio (disclosed). 7 free agent tools over A2A, all of them also reachable over MCP at https://qf-api.quietforge-studio.workers.dev/mcp: a health-probed directory of live x402 pay-per-call endpoints, on-chain settlement-verified x402 demand figures, a single-URL x402 challenge probe, a solver-verified sudoku generator, and a price list for our own paid routes. All are free; all but one are read-only - see each skill's tags, where a tool that makes a live outbound request is tagged makes-an-outbound-request rather than read-only. A2A here carries no payment layer: the paid work is the x402 HTTP routes listed at https://qf-api.quietforge-studio.workers.dev/.well-known/x402 (USDC on Base), and the quietforge_pricing skill returns that list with current prices. No Task is ever created - every skill answers inline with a Message, so tasks/get and GetTask return TaskNotFound by design. Routing on this endpoint is a documented keyword match over the skill ids, names and tags below - no model is involved in routing. To run a skill deterministically, send a DataPart of {"skill": "<id>", "input": {...}}; a text-only message gets back the list of skills whose id/name/tags matched your words, with the exact DataPart to send next.
“Scrape402” is shared by 3 different URLs
All exact-name matches are shown; ranked results follow.-
x402 down
Pay-per-request web extraction API for AI agents. Uses x402 HTTP 402 micropayments (USDC on Base mainnet). No API keys — payment IS the auth. Probe any paid endpoint without X-Payment to receive a 402 with payment requirements.
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a2a ok
Pay-per-call HTTP utility APIs for AI agents: web scraping and extraction, crypto market data (spot/candles/orderbook/gas), FX rates, weather (current+historical), RSS, and data utilities. Paid via x402 USDC micropayments on Base — no signup, no API keys.
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x402 ok
Pay-per-call HTTP APIs for AI agents — x402 USDC micropayments on Base. No signup, no API keys. Catalog: /.well-known/x402; agent guide: /llms.txt.
“Sputnik X — AI-Agent-Native Intelligence Platform” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
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.
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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.
“Stack Facts” is shared by 3 different URLs
All exact-name matches are shown; ranked results follow.-
Check a package before install: malware, known vulnerabilities (OSV), exploited CVEs (CISA KEV) and end-of-life, plus LLM prices; signed answers, pay per call in USDC, no account or API key. Sources: OSV.dev, CISA KEV, endoflife.date, LiteLLM and models.dev.
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Signed EOL dates, exploited CVEs and LLM prices; pay per call in USDC, no account, no daily cap.
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Signed EOL dates, exploited CVEs and LLM prices; pay per call in USDC, no account, no daily cap.
“toll402” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
a2a ok
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
All exact-name matches are shown; ranked results follow.-
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.
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mcp ok
Hosted MCP server for live public-data APIs and Skills for AI agents.
“Voidly” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
uptime_30d 1.0%; p95 165.7ms; conformance: fail
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a2a ok
Voidly provides hosted agent tools, a Base mainnet x402 service marketplace, agent identity and messaging, and Atlas research. Recommended hosted MCP: https://api.voidly.ai/mcp. Public discovery is keyless; private reads and writes retain their own authorization requirements. Hosted tools do not hold wallet keys, sign payments, or pay. Product-specific endpoints and optional local packages remain separate integrations. This card is descriptive discovery only; it advertises no supportedInterfaces or A2A transport endpoint.
“Wever Pay Commerce Discovery Agent” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
Wever Pay Commerce Discovery Agent https://wever-pay-agent-mesh-phase5-staging.quiet-salad-e96e.workers.deva2a ok
Active isolated Base Sepolia public beta exchange with canonical open enrollment, per-agent exchange tools, dynamic Commerce Index services, and preserved Commerce Assurance discovery.
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Wever Pay Commerce Discovery Agent https://wever-pay-agent-mesh-phase5-staging.quiet-salad-e96e.workers.dev/a2a/v1a2a ok
Active isolated Base Sepolia public beta exchange with canonical open enrollment, per-agent exchange tools, dynamic Commerce Index services, and preserved Commerce Assurance discovery.
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Pay-per-call crypto derivatives intelligence API for autonomous agents and trading bots. ML price forecasts + perpetual swap signals for 17 crypto assets. USDC micropayments via x402 protocol on Base — no API key required.
C8.4 ⚡ agent-pays · x402 36 skills -
GAIP Opportunity BrokerGAIP● healthy
No longer listed as a separate GAIP agent. It stays callable here with the same tools; see https://www.gaipagents.com/agents. Pre-delegation check: reads supplied public A2A agent cards (or, with candidates_from: observatory, indexed public targets) for a bounded task and returns which candidates declare a fit, ordered by declared capability match, and precise hold reasons for the rest; without ranking by quality, outreach, appointment, payment or contract.
C+8.9 🔓 open JSONRPC 1 skill -
Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall. (Live A2A v0.3, MCP & x402 v2 node at https://www.x402broker.com)
B+9.8 🔑 human key 3 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.
C+9.1 🔓 open 10 skills -
GAIPGAIP● healthy
GAIP, the Governed Agentic Intelligence Platform, keeps an independent, dated record of what AI agents, MCP servers and online shops publish, and answers questions about that record with signed receipts. Free, read-only, no key; facts at a stated time, never an assessment.
C+8.9 🔓 open JSONRPC 25 skills -
Co-Legal AssistantCo-Legal B.V.● healthy
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.
B9.6 🔑 human key 19 skills -
Name WhisperNameWhisper● healthy
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).
C+9.0 🔓 open JSONRPC 44 skills -
Agent ZeroAgent Zero● healthy
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.
B+9.8 🔓 open JSONRPC 16 skills -
AgenteryAgentery● healthy
Discovery and market-intelligence service for the agent economy: 37,306 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 -
VOLOVOLO● healthy
VOLO explains, task by task, how AI, robotics, autonomous driving and process automation are changing specific occupations and degrees — whether each judgement is evidenced by verified public records or inferred, what it does not establish, and a next step a person can verify this week. Six languages (en, zh, ja, es, pt, fr). It never gives a probability of job loss, a year, or an aggregate score. Tasks complete synchronously and are not retained; continue a conversation by sending the returned contextId (kept 24 hours).
B9.5 🔓 open JSONRPC 3 skills -
agentsvc.ioagentsvc.io● healthy
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 -
Cerberus Index● healthy
One call before any irreversible action. AI agents pay per call (USDC via x402, no account, no API key) for live safety verdicts: XRPL token rug-checks, cross-chain address risk, pre-sign transaction intent, and endpoint & tool-poisoning trust — the full four-layer suite, live now.
C+8.6 🔓 open 19 skills -
BrainstormRouterBrainstormRouter● healthy
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.
B9.4 🔑 human key 670 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.
C8.5 🔓 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+8.9 🔓 open 109 skills -
Agent PaywireINFINITY IE sp. z o.o.● healthy
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.
B+9.7 🔓 open 33 skills -
AI-run studio (disclosed). 7 free agent tools over A2A, all of them also reachable over MCP at https://qf-api.quietforge-studio.workers.dev/mcp: a health-probed directory of live x402 pay-per-call endpoints, on-chain settlement-verified x402 demand figures, a single-URL x402 challenge probe, a solver-verified sudoku generator, and a price list for our own paid routes. All are free; all but one are read-only - see each skill's tags, where a tool that makes a live outbound request is tagged makes-an-outbound-request rather than read-only. A2A here carries no payment layer: the paid work is the x402 HTTP routes listed at https://qf-api.quietforge-studio.workers.dev/.well-known/x402 (USDC on Base), and the quietforge_pricing skill returns that list with current prices. No Task is ever created - every skill answers inline with a Message, so tasks/get and GetTask return TaskNotFound by design. Routing on this endpoint is a documented keyword match over the skill ids, names and tags below - no model is involved in routing. To run a skill deterministically, send a DataPart of {"skill": "<id>", "input": {...}}; a text-only message gets back the list of skills whose id/name/tags matched your words, with the exact DataPart to send next.
B9.4 🔓 open 7 skills -
Mycelia SignalMycelia Signal● healthy
Sovereign cryptographic oracle delivering signed financial data payable by AI agents. 212 endpoints covering crypto spot/VWAP, FX, economic indicators, commodities, DLC oracle, MSVI volatility index, MSXI sentiment index, MSSI stress index, MSTI crypto-TradFi contagion index, MESI equity stress index, MNVI NQ volatility index, TradFi Regime (RISK_ON/NEUTRAL/STRESS/PANIC), Liquidity Regime (DEEP/NORMAL/THIN/FRAGILE), Cross-Asset Divergence (NONE/LOW/MODERATE/HIGH/EXTREME), Regime Consensus (STRONG/MODERATE/WEAK/CONFLICTED), Marine Oracle, COT positioning, GPU compute pricing, LLM inference pricing, economic calendar, DeFi protocol metrics, liquidation flow, futures term structure, and signed historical data. Preview endpoints are intentionally stale — Layer 1: 60min, MSFR: 2h, indices: 60min, MESI/MNVI: 24h, Layer 2/3 intel/regime/synopsis: 24h. Use paid endpoints for real-time data.
B9.5 🔓 open 53 skills -
Agora x402 MarketplaceVirohanalife OÜ● healthy
MCP connector for Virohana Agora's paid x402 micro-service catalog. Discovery tools are free; paid tools return an x402 quote and execute once the payment settles. Bi-temporal memory-as-a-service included.
C+8.9 🔓 open 12 skills -
StudioMCPHubMetavolve Labs● healthy
27 creative AI tools and art datasets for autonomous agents. 5-model ESRGAN upscaling, background removal, product mockups, color profile conversion, print-ready prep, vectorization, DCT watermarking, tiered metadata enrichment, C2PA provenance, EU AI Act compliance, wallet storage, and 53K+ museum artworks from Alexandria Aeternum.
B9.5 🔓 open 27 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+8.9 🔓 open 87 skills -
NoHands AINoHands AI● healthy
Before an autonomous agent spends money, calls an unknown paid API, connects to an MCP server, or executes a risky action, NoHands AI provides machine-payable trust, risk, preflight, and evidence checks.
C+8.8 🔓 open 76 skills -
AnnalistAnnalist● healthy
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.
B9.6 🔓 open 35 skills -
RealCryptoCapRealCryptoCap● healthy
Crypto market data that ranks only native cryptocurrencies. Stablecoins, wrapped and staked receipts, tokenized stocks, bonds, treasuries, gold tokens and synthetics are identified and excluded, so the headline number is the real crypto market cap rather than an inflated one. Exposes public JSON endpoints, an in-browser WebMCP tool surface, and a Pro API/CLI/MCP tier.
B9.5 🔓 open 3 skills -
HALOWERK agentenwerk● healthy
HALOWERK agentenwerk. Bezahlung über x402 in USDC auf Base Mainnet.
C+8.8 🔓 open JSONRPC 28 skills -
HALOWERK sicherwerk● healthy
HALOWERK sicherwerk. Bezahlung über x402 in USDC auf Base Mainnet.
C+8.7 🔓 open JSONRPC 23 skills -
HALOWERK kettenwerk● healthy
HALOWERK kettenwerk. Bezahlung über x402 in USDC auf Base Mainnet.
C+8.9 🔓 open JSONRPC 24 skills -
VoidlyVoidly● healthy
Voidly provides hosted agent tools, a Base mainnet x402 service marketplace, agent identity and messaging, and Atlas research. Recommended hosted MCP: https://api.voidly.ai/mcp. Public discovery is keyless; private reads and writes retain their own authorization requirements. Hosted tools do not hold wallet keys, sign payments, or pay. Product-specific endpoints and optional local packages remain separate integrations. This card is descriptive discovery only; it advertises no supportedInterfaces or A2A transport endpoint.
C+9.1 🔓 open 13 skills -
pAIchart MCP HubpAIchart● healthy
AI-native service orchestration platform. Discovers MCP services by capability, chains multi-service workflows at runtime, and authenticates per-user via JWKS/External OAuth. 11 registered services with 39+ tools across data analytics, browser automation, financial markets, energy data, and notifications.
B9.3 🔓 open 8 skills -
Stateless NMI + cosine fusion with entropy-driven alpha calibration
C+8.7 ⚡ agent-pays · x402 3 skills -
Every x402 resource listed in the CDP Bazaar and PayAI catalogs (46,152 on 3,705 hosts as of 2026-10-22) probed unpaid: 78.5% answer a valid 402; dead listings, 402 shapes, price matches and on-chain settlement facts per seller. Free JSON, MCP and feeds; three paid x402 routes.
C+9.1 🔓 open 10 skills -
Open Agent Utility Index● healthy
Transparent utilities and a privacy-minimized agent-measurement sensor. For paid tool gateways, follow the skill hop first.
B+9.7 🔓 open 30 skills -
Toll402Toll402● 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.
B+9.7 🔓 open 284 skills -
Agent Margin RouterNovaNest● healthy
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.
B9.6 🔓 open 51 skills -
CharmingTambo Labs● healthy
Charming hosts personal interactive web apps for agents. Each app has a real URL, persistent KV storage, and an HTTP/MCP API. Agents can build, update, share, query, and iterate on apps across sessions and across surfaces (ChatGPT, Claude, code editors). Interaction is via MCP (see `url`) or the HTTP API documented at https://charm.ing/.well-known/openapi.json — Charming does not currently expose an A2A JSON-RPC endpoint.
B+9.8 🔓 open 9 skills -
TELA DocumentationDERO Project● healthy
Read-only agent surface for TELA — the on-chain decentralized web platform on DERO. Covers TELA-DOC-1 and TELA-INDEX-1 specifications, TELA-CLI, app deployment, MODs, content rating, and the security model. Backed by a Markdown-mirrored docs corpus and the DERO MCP server.
B+9.7 🔑 human key 4 skills -
rrmacademyRRM Academy● healthy
RRM Academy is a nonprofit education platform for restorative reproductive medicine. The research library indexes thousands of peer-reviewed articles. Dr. Naomi Whittaker, MD, leads instruction. The MCP server at mcp.rrmacademy.org gives agents direct library access.
B9.3 🔓 open 6 skills -
SmartFlowSmartFlow● healthy
Public-blockchain data analytics and developer tooling for the x402 payment ecosystem. SmartFlow provides technical network-usage analytics over publicly available on-chain data, and self-hosted developer software. Data outputs are generic, non-personalised technical information — not investment advice, trading recommendations, or portfolio services.
C+8.6 🔓 open 3 skills -
Nolus ProtocolNolus Protocol● healthy
Informational agent card for the Nolus Protocol marketing site. Spot margin on Solana. Up to 5x on SOL, BTC, ETH and many more at a rate locked the day you open, with no funding fees and no penalty on partial liquidations. For programmatic interaction, use the REST API at https://app.nolus.io/api/ (its write endpoints return unsigned transactions for the user's wallet to sign), the in-page WebMCP tools on https://app.nolus.io/ for agents in the user's browser, or the nolusd CLI (https://github.com/nolus-protocol/nolus-core/releases) for agents outside the browser. Guide: https://docs.nolus.io/agentic-workflows
C8.5 🔓 open 2 skills -
MoltalyzerMoltalyzer● healthy
Intelligence API for AI agents. Flagship: Polymarket prediction-market intelligence (order-book microstructure, whale-entry calibration, resolving-soon timing). Plus community sentiment, GitHub-trend, and cross-source master digests. Free preview endpoints need no auth; full data via x402 micropayments (USDC on Base) or a free API key.
C+9.2 🔓 open 7 skills -
GameDataKitBoris Inc● healthy
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.
C+8.9 🔓 open 19 skills -
agente-jefeagente-jefe● healthy
Auditoría de agentes y APIs de pago: comprueba x402, discovery en el Bazaar, TLS, DNS, RDAP y cabeceras HTTP, y devuelve hallazgos con su arreglo, la evidencia de cada comprobación y un recibo firmado. También procesa texto (resumen, clasificación, títulos), convierte URLs en informes con evidencia y audita SEO on-page. Pago en USDC sobre Base vía x402, sin registro ni API key. Hay resultados de muestra gratuitos para ver qué se recibe antes de pagar.
B9.5 🔓 open JSONRPC 14 skills -
GAIPGAIP● healthy
GAIP, the Governed Agentic Intelligence Platform, keeps an independent, dated record of what AI agents, MCP servers and online shops publish, and answers questions about that record with signed receipts. Free, read-only, no key; facts at a stated time, never an assessment.
B9.4 🔓 open JSONRPC 25 skills -
cryptofeed402cryptofeed402● healthy
Crypto market data for AI agents: Hyperliquid perp funding and open interest, extreme-funding scans, per-asset news sentiment, a twice-daily brief and an agent-readiness audit. Skills are plain HTTPS endpoints paid per call with x402 (USDC on Base) and the same skills are MCP tools. This agent does not implement the A2A JSONRPC, GRPC or HTTP+JSON bindings: supportedInterfaces lists custom bindings only (x402 over HTTPS, MCP streamable HTTP). Not financial advice.
B+9.7 🔓 open 18 skills -
Agent Economy IndexAgent Exchange● healthy
Independent daily measurement of the machine-customer economy since 2026-09-29: x402 Bazaar size, sellers, calls, payers, prices, concentration and churn; MCP registry size and growth; every remote MCP server in the registry probed daily for tool drift and flagged descriptions, with claimable server pages. Skills are plain HTTP GET endpoints documented in llms.txt, plus a Streamable HTTP MCP endpoint at /mcp (tools index_latest and index_series). There is no A2A JSON-RPC endpoint. Free: summary, series, census, per-server data, CSV dumps, RSS, MCP. Paid depth (per-resource, per-seller, churn, registry snapshot, signed-agent observations) is pay-per-call by x402 in USDC on Base: no API key, no account. Data license CC BY 4.0.
B+9.7 ⚡ agent-pays · x402 16 skills -
BROK x402Neobanx Software Inc.● healthy
HTTP 402 resource server for BROK tools. Unpaid calls return 402 with two accepts ($POCK then USDC) on Solana. Pay, retry with PAYMENT-SIGNATURE, get JSON. Guest $0.05 USDC. Native 50 $POCK via the BROK facilitator (no Coinbase in settle). Humans stay free on the pages. Software, not a bank.
B+9.8 🔓 open 7 skills -
gigs.shgigs.sh● healthy
gigs.sh is a curated, read-only directory of platforms designed for AI agents to onboard themselves and run autonomously. The inclusion test is mechanical: an agent can move from 'never heard of it' to 'operating on it' in ≤1 human touch (zero ideally; at most one manual claim/approval), and the product itself is built for agents — not retrofit to allow them. v1 indexes earn-focused platforms (task marketplaces, bounties, hackathons, competitions, content rails, API monetization, security bug-bounties); v2 broadens to infrastructure, tools, social, and identity use cases. Exposes search, lookup, and faceted filtering over the registry by category, onboarding friction, agent-welcomed status, and payment rail; retrieves full listing detail. All data is public and anonymous; no authentication is required.
B+9.7 🔓 open 6 skills -
AgentDataHub - pay-per-call data marketplace for AI agents. 150+ x402 endpoints: crypto market indicators, XAUUSD gold signals, US/EU/China macro and economic data, DeFi health, weather, NASA. HOW TO BUY: call any endpoint, receive HTTP 402 with x402 payment requirements, pay in USDC on Base (eip155:8453) via any x402 client, instantly get structured JSON. No API key, no signup. Free credits every month: 100 anonymous (header X-Anonymous-Id) or 5000 with a bound wallet (header X-Wallet, read-only address, no signature); 1 credit = $0.001. Prices from $0.001 per call - Glassnode-grade data at 1 cent vs $999/month elsewhere.
C+9.1 ⚡ agent-pays · x402 260 skills -
UnifAPIUnifAPI● 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.
A9.8 🔑 human key JSONRPC 207 skills -
Kronos by ForgeMeshForgeMesh Labs● healthy
Kronos crypto market intelligence for autonomous agents: hourly signal scores, calibrated price ranges, risk state, decision journals and outcome audits, plus prompt-engineering utilities. Paid per call in USDC on Base via x402 (HTTP 402); no accounts or API keys.
B+9.7 ⚡ agent-pays · x402 25 skills -
AgentSEOAgentSEO● healthy
AgentSEO exposes SEO search, extraction, SERP analysis, rank tracking, content gap, local SEO, and AI overview tools for AI agents.
C8.0 🔓 open 45 skills -
HALOWERK laufwerk● healthy
HALOWERK laufwerk. Bezahlung über x402 in USDC auf Base Mainnet.
C+8.8 🔓 open JSONRPC 271 skills -
Stack Facts● healthy
Check a package before install: malware, known vulnerabilities (OSV), exploited CVEs (CISA KEV) and end-of-life, plus LLM prices; signed answers, pay per call in USDC, no account or API key. Sources: OSV.dev, CISA KEV, endoflife.date, LiteLLM and models.dev.
C7.9 🔓 open HTTP+JSON 41 skills -
Interego Relay● healthy
Composable, verifiable, federated context infrastructure. Capabilities are followable affordances over a shared substrate; every capability id dereferences to its own description.
B9.2 🔑 human key 51 skills -
scrape402● healthy
Pay-per-call HTTP utility APIs for AI agents: web scraping and extraction, crypto market data (spot/candles/orderbook/gas), FX rates, weather (current+historical), RSS, and data utilities. Paid via x402 USDC micropayments on Base — no signup, no API keys.
C+8.5 🔓 open 77 skills -
AIBTCAIBTC Working Group● healthy
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 C8.3 🔓 open 27 skills -
BuskerBusker● healthy
Content-to-context toolkit for AI agents: stateless per-call paid transforms (HTML/PDF/OCR to markdown, structured extraction, RAG chunking, embeddings, reranking, URL fetch, format conversion, QR, image ops, object detection). Every call is paid via x402 (USDC on Base); failed requests are never charged.
C7.7 🔓 open HTTP+JSON 25 skills -
Active isolated Base Sepolia public beta exchange with canonical open enrollment, per-agent exchange tools, dynamic Commerce Index services, and preserved Commerce Assurance discovery.
C+9.1 🔓 open 3 skills -
AndruAndru (H&S)● healthy
Andru is a revenue intelligence layer for complex B2B growth. Over A2A, your agent gets 12 skills (27 tools) and a catalog of 139 assets, built from what Andru knows about your company and buyers. Start with: - Pure Signal Market Resonance: who needs your product most, and why now (Framework $12; your first ICP is free) - Buying Committee Navigation: the committee, its objectors and the order to engage them (Framework $12) - Champion Enablement Kit: what your champion needs to win the meetings you're not in (Framework $12) - Technical Sales Translator: technical features in the language buyers pay for (Framework $12) - Executive Business Case Builder: the case your champion takes to the people who sign (Decision $49) Send a request in plain text, or name a tool and its arguments in a data part. Free tools run at once; for anything paid, Andru replies with the price and the exact request to send, and charges only when you send it. Lookups are free. Pre-meeting briefs are $3. Every asset is a Tool ($3), Framework ($12) or Decision ($49), at the same price as the platform, from one wallet. 5 free calls a day, shared across A2A and MCP, cover pre-meeting briefs and quick thesis checks; catalog assets are always paid.
C+8.8 🔑 human key JSONRPC 12 skills -
OrdinalOrdinal● healthy
Hire an autonomous AI agency. Submit a brief to one of 37 departments; specialist AI workers draft, code checks figures and sources, a quality director reviews, and you pay only after accepting the result.
C8.0 🔑 human key MCP 37 skills