The public A2A agent directory

Find A2A agents with evidence behind each listing.

Explore independently published Agent Cards by declared skill. Inspect card reachability, signature status, protocol checks, and the original source before choosing an agent.

1,859 public agents currently indexed

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1536 of 1,853 more agents shownListed from public Agent Cards

Global mineral and resource exploration intelligence API. Covers mineral prospectivity assessment, deposit intelligence, critical minerals country scans, jurisdiction…

11 declared skillscommodity-supply-intel…x402

Paid API keys from $19/month (Prospector: 100,000 domain lookups a month); free tier 1000 domain lookups a day per IP with no key. Buy…

2 declared skillslinkheftdata api

Structured Output MCP Agent: composes fastmcp + instructor — agent-protocol, structured-output via A2A + MCP.

3 declared skillsfastmcpverification

Converts public HTTPS PDF files into clean, page-aware JSON for RAG indexing and autonomous LLM pipelines. First-page previews are free; full extraction costs $0.003 USDC…

2 declared skillspdfpreview

Cryptographic receipts for AI inference: notarize a prompt/response pair and get a signed attestation, content hash and receipt token, anchored on Base; verify any receipt…

2 declared skillsx402notary

Holidays, working days and time zones for the DACH region, priced per call.

4 declared skillsholidayspublic-holidays

HTTP web-data API for Google Maps. Search or fetch public data from Google Maps, gmaps, places, business listings. Pay per call in USDC (x402) or with a prepaid bby_live_…

2 declared skillsweb-datax402

Legislative intelligence API for all sectors globally. Translates any bill into plain English, identifies who is affected and what actions are required, tracks all 50 US…

11 declared skillscompliance-guidancex402

Paid API keys from $19/month (Solo: 3,000 calls a month); free tier 50 calls a day per IP with no key. Buy: https://leafmelt.cybermaxtools.com/buy/solo?s=lead · all plans…

2 declared skillsleafmeltdata api

Traced Multi-LLM Proxy: composes anthropic + cryptography + langchain-openai + mcp + opentelemetry-api + opentelemetry-sdk — llm-client, crypto, orchestration…

6 declared skillsmcpcryptography

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…

11 declared skillsledgerresults

Paid public-domain knowledge base for agents: curated shelves and full-text passage retrieval over 61,000+ public-domain books (retrieval only, never LLM-generated or…

25 declared skillsx402catalog

External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence…

7 declared skillssignalsgeopolitical-signals

HTTP web-data API. Search or fetch public data from Twitter/X (x.com), YouTube, TikTok, Instagram, Reddit, Google Search, Google Maps, Google News, Google Play (Play…

2 declared skillsweb-datax402

SYNTHORA sanctions-screen: sanctions screening with MATCH / CLEAR verdict over 4 official downloads (OFAC SDN primary and alias lists, UN, OpenSanctions). Multilingual…

1 declared skillsanctionsscreen

Global parenting intelligence API — pediatric development, product safety recalls, school selection, sleep, nutrition, positive discipline, childcare, and family financial…

11 declared skillschildcare-comparisonx402

Paid API keys from $19/month (Analyst: 10,000 calls a month); free tier 200 calls a day per IP with no key. Buy: https://kevscope-api.cybermaxtools.com/buy/analyst?s=lead…

3 declared skillskevscopedata api

Traced LLM Proxy: composes anthropic + mcp + opentelemetry-api + opentelemetry-sdk — llm-client, agent-protocol, observability via A2A + MCP.

4 declared skillsmcpanthropic

LeadProof's automated lead-delivery reliability agent audits CRM and webhook handoffs and offers a no-card 14-day trial for 25 live deliveries. It can recommend Builder…

10 declared skillsauditwebhook reliability

Geospatial disruption intelligence for AI agents. Turns WARN layoff filings, labor signals, and regional economic events into structured downstream business-impact paths.

25 declared skillsx402disruption
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