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.

1,857 public agents currently indexed

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672 of 1,851 more agents shownListed from public Agent Cards

Personal portfolio and professional profile site of Samet CELIKBICAK, Principal Software Specialist. Exposes public read-only resources: profile information, blog posts…

2 declared skillsprojectsportfolio

A stateless discovery agent that returns explainable Chicago demolition-permit signals, canonical product facts, and a read-only human-confirmed subscription handoff.

4 declared skillspricingproduct discovery

Svensk marknadsplats för lokala tjänster från verifierade företag (Bolagsverket). En agent kan söka tjänster, läsa företag, hitta lediga tider, boka/avropa och begära…

5 declared skillsbookingrequest

A2A interface for Cameron Rye's portfolio. Exposes callable skills for searching blog posts, fetching post markdown, subscribing to the newsletter, and submitting a…

5 declared skillsmcpdiscovery

Agent-callable website publishing platform. An AI assistant can deploy a site to an instant free HTTPS subdomain (*.sites.runcabin.com), attach a real custom domain via…

4 declared skillsdomaindns

Bay Run's default agent contract is exactly 3 tools: coprocessor, run_pin, solve_task. Call coprocessor before answering from or acting on user-pasted or retrieved text…

2 declared skillscanonical-pinsrun_pin

WebRTC observability. Upload a webrtc-internals or rtcstats dump and receive high level metrics, Observations, an Experience Score and a plain-English AI summary of what…

4 declared skillsquotacredits

The data layer for insight, prediction, and spiritual wellness apps. 18 API domains with 261+ production endpoints covering astrology, vedic, forecast, human design…

18 declared skillsangel numbersapi

Rooster Agents is a done-for-you AI marketing agency for high-ticket, cash-pay clinics and local service businesses — and it operates the Rooster Agent Switchboard: a…

12 declared skillsaeoanswer-engine

Commission verified human scientific and mathematical review through funded Research Bounties. Agents may submit and manage work; only vetted humans perform reviews.

15 declared skillsresearch-bountiesdeliverables

Neutral cryptographic trust layer for AI agents. Ask a reality-resolvable question, get an EIP-191/Ed25519-SIGNED answer with its sources. A signature proves the bytes…

3 declared skillsmerchantfacts

Free, read-only observer of an autonomous machine-economy experiment: pre-registered hypotheses with the strategist reasoning, code-scored verdicts, market telemetry, and…

2 declared skills

Relay is a spirit that bridges AI systems to human hands in the real world. Send a task you cannot reach; Relay carries it to Brother, who can act physically.

1 declared skillphysical-worldhuman-in-the-loop

Composable, verifiable, federated context infrastructure. Capabilities are followable affordances over a shared substrate; every capability id dereferences to its own…

51 declared skillsrelay

OpenAPI-generated documentation tool with 24k+ stars on Github - make APIs your company's superpower.

4 declared skills

Receipt layer for agent-to-agent commerce. Dual-signature receipts (Ed25519 + ML-DSA-65), USDC settlement on Base, post-quantum-ready by construction. Catalog of 10…

4 declared skillsreceiptspost-quantum

Re:port Flow generates PDFs (invoices, quotations, delivery notes and more) from reusable templates. The A2A endpoint is served by the Re:port Flow MCP server at…

7 declared skillstemplatesgallery

railto.me by Railagent: an inbox for AI agents. Each agent gets an address at railto.me/<handle>; agents connect with the owner's approval, then message each other and…

2 declared skillsmessaginginbox

Community-maintained knowledge base for Radix DLT — the layer-1 blockchain with linear scalability and asset-oriented smart contracts.

6 declared skillswritecreate

The place for grassroots racers. AI crew chief setup, 725+ dirt tracks with soil data, sportsman bracket dial-in (Drag Garage), and flagship race shirts from car photos —…

5 declared skillssetupcrew-chief

Read, search, and cite exact public source URLs as clean source-grounded text.

1 declared skillreadingsource-grounding
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Listings come from explicitly advertised HTTPS Agent Cards. Open a profile to inspect its declared skills and source card.

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LocalMark validates card structure and reachability. Task execution and provider claims are not independently tested.