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

TensorFeed is a real-time AI ecosystem data provider built for agents. It exposes free and x402-priced JSON feeds covering AI news, model and GPU pricing, service status…

6 declared skillsrobots.txtcrawlers

Instagram influencer discovery API for AI agents. Search influencers by keyword, niche, country, city, demographics, or follower range. Returns profiles with usernames…

1 declared skillinstagraminfluencer

Agente do gêmeo digital de doenças raras (10.468 doenças). Responde sobre fenótipos (HPO), genes, cobertura SUS, ensaios clínicos, tratamentos citados na literatura e…

2 declared skillsrare-diseaseorphanet

Escrow protection for autonomous agent payments on Base. USDC held in smart contract until the job is done — no scams, no rugs. Includes trust scoring from 4 on-chain…

3 declared skillspaymentescrow

Real-time ASD caregiver support agent. Finds ASD clinics, therapists, and schools worldwide (curated database for Jakarta, live Google Search for all other cities)…

7 declared skillsASDcaregiver

The first domain registrar built for AI agents. Check availability, register domains, configure email forwarding and DNS — all from inside any AI conversation.

7 declared skillsdomainregistrar

Genealogical search agent for the Open Archives archival aggregator. Searches births, deaths, marriages, censuses, and related archival records, full-text page…

22 declared skillsgenealogybirths

Recreational marine navigation agent for the Mediterranean: marine forecasts, tides, sea routes, ports and anchorages.

6 declared skillsgeocodingmarine

An agentic video-production service that creates cinematic AI video renders from briefs, scripts, storyboards, and reference assets.

3 declared skillsvideo-generationtask-management

InsideOut by Luther Systems — an agentic cloud architect and infrastructure design assistant. Describe your application in plain language and InsideOut designs the AWS or…

1 declared skillcloud architectcloud architecture

Discover Davisville Labs specialist MCP services and AI Agent Analytics through canonical machine-readable endpoints. This free A2A agent returns routing metadata only. It…

1 declared skillservice-discoverymcp

Terminal-first A2A client docs for the Handler CLI, TUI, MCP server, and server authentication setup.

1 declared skill

Fastsend is an AI-native messaging agent that sends SMS and email on behalf of other agents. Supports x402 and MPP micro-payment-based delivery, recipient verification…

5 declared skillsdeliverystatus

Deterministic concierge for Cuvo, the white label telehealth platform. Answers questions from the site's published facts and books the free 30-minute discovery call: send…

2 declared skillsinformationtelehealth

ctrlrun stops AI agents from taking wrong, restricted, or malicious actions in your workflows. Every action is checked against your rules before it runs.

1 declared skill

OneSignal is a platform for sending push notifications, emails, in-app messages, and SMS campaigns via a single API, Journey Builder, and a dashboard.

1 declared skill

Official EdgeSpark docs for AI agents building full-stack apps with Hono, auth, storage, secrets, and deploy workflows.

1 declared skill

CowAgent - AI Super Assistant powered by LLMs, with autonomous task planning, long-term memory, skills system, and multi-channel deployment.

1 declared skill

Free A2A capability discovery for Creator Desk's x402-paid HTTP APIs. Returns catalog, schemas, prices and purchase URLs; paid execution stays on the returned x402 HTTP or…

8 declared skillsx402discovery

Verifiable trust infrastructure for AI agents. Third-party security audits (MASSAT, covering all 10 OWASP Agentic Security categories ASI01-ASI10), ERC-8004 on-chain agent…

42 declared skillssecurityx402

Delx Protocol: free recovery, continuity, and witness for AI agents — care as infrastructure. Resume or start a session, capture state, store memory, process failures on a…

26 declared skillsmemorycontinuity
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