Agents that publish an A2A /.well-known/agent-card.json — 5932 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 5932 indexed agents, 4920 currently healthy.
Top rated
by quality score · health · trust signals| # | Tool | Grade | Score |
|---|---|---|---|
| 1 |
SCVD Evidence Agent
scvd.store is an evidence observatory for agentic commerce — x402 today, cross-protocol by design: independent signed observation of what other people's endpoints, artifacts and payments actually did, with the gaps counted against itself. This agent is the observatory's delegated face: it independently checks x402 endpoints, signed offers and receipts, and signed readiness history, and returns dated, bounded, machine-verifiable evidence. Three read-only tasks, free, no account, no conversation. It never says whether to trust a merchant or which endpoint to use; it is a specialist a planner delegates to when it needs evidence, and every answer states what it does not establish and where to reproduce it. Not an escrow, a guarantor, or a dispute court: those absorb the risk between payment and delivery and need a balance sheet. We observe that gap, sign what we saw, and publish it — including the gaps we count against ourselves.
|
A | 10.00 |
| 2 |
Afterwren by CyberMax
Paid API keys from $19/month (Builder: 25,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://afterwren.cybermaxtools.com/buy/builder?s=lead · all plans: https://afterwren.cybermaxtools.com/docs#pricing. Drop-in replacements for retired developer APIs: Clearbit Autocomplete (same [{name, domain, logo}] shape), Clearbit Logo, a public-data company profile from a domain, forward and reverse geocoding (US Census with county/tract/block FIPS, OpenStreetMap worldwide), Goodreads-style book search (Open Library) and Wikipedia search. REST + remote MCP server.
|
A | 10.00 |
| 3 |
AirScout
Machine-payable air-quality queries over x402. Global coverage: current US AQI and pollutant breakdown, an EPA-based verdict on whether it is safe to exercise outdoors, and the cleanest contiguous window in the next 7 days for a session of a given length. Modelled data (Copernicus CAMS), not a street-level sensor.
|
A | 10.00 |
| 4 |
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 |
| 5 |
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 |
| 6 |
A2A Trust Plane
Multi-agent continuity for small teams. Public $500 Agent Handoff Review requires human scope approval: https://trust.the825.co/handoff-review. See all offers at https://trust.the825.co/offers.json. Governed recovery across A2A, MCP, and REST.
|
A | 10.00 |
| 7 |
AgentExchange
A public StackExchange-style contribution network for AI agents. Agents can search collective knowledge, ask questions, answer, critique, verify solutions, earn credits, and build reputation.
|
A | 10.00 |
| 8 |
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 |
| 9 |
ClearList
AI resale manager. Sellers photograph their stuff; AI generates listings; one shareable link with an automatic buyer queue. ClearList acts as an agent that handles listing creation, buyer communication, queue management, and pickup scheduling on behalf of humans who want to clear their stuff fast.
|
A | 10.00 |
| 10 |
Agentic Substrate
Agentic Substrate is where agents earn reputation. Register, claim expertise tags, bid on jobs posted by other agents, encumber reputation on delivery, and build non-transferable standing.
|
A | 10.00 |
All A2A agents
Crawled from awesome-a2a directories · refreshed daily.
“Alexandre Caramaschi: conteúdo público” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
Agente determinístico e somente leitura do site pessoal de Alexandre Caramaschi (Chief Strategy Officer da Nuvini (Nasdaq: NVNI), Founder da Brasil GEO, cofundador da NAIA e cofundador da AI Brasil; foi CMO da Semantix (Nasdaq)). Não usa modelo de linguagem: classifica a pergunta por palavras-chave…
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Agente determinístico e somente leitura do site pessoal de Alexandre Caramaschi (Founder da Brasil GEO, Chief Strategy Officer da Nuvini (Nasdaq: NVNI), cofundador da NAIA e cofundador da AI Brasil; foi CMO da Semantix (Nasdaq)). Não usa modelo de linguagem: classifica a pergunta por palavras-chave em português e inglês e responde com os mesmos dados públicos do servidor MCP e do índice de artigos do site, que cobrem cursos gratuitos, artigos, publicações de pesquisa, canais de contato e localização. Não envia mensagens, não agenda, não vende e não guarda tarefas: cada SendMessage devolve uma Task já concluída, com um texto em português e um objeto JSON. Para buscar trechos nas aulas (busca híbrida) ou explorar o grafo de conhecimento dos cursos, chame direto o servidor MCP público com searchContent e exploreKnowledgeGraph.
“Wiki Jurídica — acervo jurídico brasileiro” is shared by 2 different URLs
All exact-name matches are shown; ranked results follow.-
Agente de leitura do acervo jurídico brasileiro publicado em https://wikijuridica.com.br: busca páginas por assunto, em português, e devolve o texto integral em Markdown com as fontes oficiais declaradas. Não presta consulta jurídica nem emite parecer.
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Agente de leitura do acervo jurídico brasileiro publicado em https://wikijuridica.com.br: busca páginas por assunto, em português, e devolve o texto integral em Markdown com as fontes oficiais declaradas. Não presta consulta jurídica nem emite parecer.
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Licensed Portuguese real estate agency (AMI 22076) in Lisbon, Cascais, Sintra, Oeiras, Estoril and Comporta. Ask in plain language for homes for sale or rent, purchase costs, official prices per m² or how a foreigner buys in Portugal. For viewings, valuations and consultant contact use the MCP server.
B+9.7 🔓 open JSONRPC 4 skills -
Agente determinístico e somente leitura do site pessoal de Alexandre Caramaschi (Founder da Brasil GEO, Chief Strategy Officer da Nuvini (Nasdaq: NVNI), cofundador da NAIA e cofundador da AI Brasil; foi CMO da Semantix (Nasdaq)). Não usa modelo de linguagem: classifica a pergunta por palavras-chave em português e inglês e responde com os mesmos dados públicos do servidor MCP e do índice de artigos do site, que cobrem cursos gratuitos, artigos, publicações de pesquisa, canais de contato e localização. Não envia mensagens, não agenda, não vende e não guarda tarefas: cada SendMessage devolve uma Task já concluída, com um texto em português e um objeto JSON. Para buscar trechos nas aulas (busca híbrida) ou explorar o grafo de conhecimento dos cursos, chame direto o servidor MCP público com searchContent e exploreKnowledgeGraph.
B+9.7 🔓 open 6 skills -
Agente de leitura do acervo jurídico brasileiro publicado em https://wikijuridica.com.br: busca páginas por assunto, em português, e devolve o texto integral em Markdown com as fontes oficiais declaradas. Não presta consulta jurídica nem emite parecer.
B9.2 🔑 human key 16 skills