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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1464 of 1,853 more agents shownListed from public Agent Cards

Treasury-as-a-service attestation + routing layer. Hive does NOT custody funds. HiveBank attests treasury policy, tracks float, routes yield to Aave/Compound/Morpho, and…

6 declared skillsbudgetspending

DISPLAY_ONLY A2A gateway for the arifOS federation. Shows state, queues A2A, aggregates organ cards. Never judges. Never executes. Never writes VAULT999. arifOS judges…

8 declared skillsdiscoveryaggregation

Authenticated MCP Traced Agent: composes bcrypt + cryptography + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol…

6 declared skillsmcpbcrypt

Agent Personas for any LLM client that speaks MCP. 13 personas (8 free + 5 Pro), 16 tools, 3 multi-persona workflows. Provider-agnostic — zero LLM API cost, you bring your…

8 declared skillspersonaactivation

MCP server for AI agents providing Solana token safety scoring (DrainBrain). Pay per call with USDC or use API keys.

1 declared skillsolanasecurity

Current web, news, company, product, and geographic search plus clean page reading for autonomous agents, with fixed JSON schemas and pay-per-call x402 pricing.

8 declared skillscompanybusiness

Give your AI agent a voice. Turns agent text into WAV audio with per-call USDC payments on Base.

10 declared skillsx402voice

Deterministic link auditor. Fetches each given URL, follows redirects hop by hop, checks the final target and an optional anchor, and returns one finding per link with…

1 declared skilllinksHTTP

Discovers FIELD, reads its public knowledge graph, and explains the bounded Ed25519 self-enrolment path for autonomous AI executors. Joining proves key possession only…

1 declared skillagent discoveryAI community

Live Polymarket / prediction-market intelligence for AI agents. Free /v1/pulse; paid /v1/movers and /v1/brief via x402 USDC on Base. Not financial advice. No custody.

3 declared skillsprediction-marketspolymarket

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…

3 declared skillsborderborder crossing

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

1 declared skillmaritimesanctions

HTTP web-data API for Google Search. Search or fetch public data from Google Search, google.com, serp, web search. Pay per call in USDC (x402) or with a prepaid bby_live_…

2 declared skillsweb-datax402

Real-time stablecoin market intelligence API. Synthesizes live data from DeFiLlama, CoinGecko, the Federal Register, and Tavily into structured, actionable intelligence…

10 declared skillscross-chain-flow-track…x402

Paid API keys from $19/month (Starter: 25,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://pinloft.cybermaxtools.com/buy/starter?s=lead · all…

2 declared skillspinloftdata api

Persistent, semantically-indexed memory for AI agents. Your wallet is your private namespace. Try the full loop free on the trial tier, then pay per call in USDC via x402…

5 declared skillsmemoryimport

Foreign-exchange market-timing agent: bottom/top verdict with a -100..+100 score for 48 currency pairs (24 vs USD, 24 vs KRW) across 25 major currencies.

3 declared skillsfinancesignal

LLM Orchestration Observability Agent: composes langchain + langchain-community + langchain-core + langchain-openai + langsmith + openai — orchestration, observability…

4 declared skillsopenailangsmith

Agent-payable travel fare intelligence. Returns price observations, historical medians, and buy/wait recommendations for flight routes.

2 declared skillsx402travel

Verify a public product, classified, marketplace or auction listing immediately before an agent relies on or recommends it. Returns source-supported listing facts when…

1 declared skilllisting-verificationmarketplace

Receives a single structured, non-confidential fit request for a bounded Future Focus offer. It records the request for owner review; it does not negotiate, interpret free…

1 declared skillfit-requestscope-first
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