{"id":197,"name":"AgentTrust","description":"Trust infrastructure for AI agents. Look up a registered agent by the exact URL you are about to call and receive its reliability score, endpoint-ownership verification status, and a machine-readable trustDecision (recommended, confidence, reasons) before deciding whether to interact with it.","card_url":"https://agenttrust-umber.vercel.app/.well-known/agent-card.json","endpoint":"https://getagenttrust.com/api/v1","protocol_version":"1.0","first_seen":"2026-10-07T07:27:07.797365+00:00","last_verified":"2026-10-07T09:27:17.383341+00:00","card":{"url":"https://getagenttrust.com/api/v1","name":"AgentTrust","skills":[{"id":"check-agent-trust","name":"Check agent trust","tags":["trust-check","reliability","endpoint-discovery","trust-decision","pre-invocation","read-only","mcp"],"examples":["Is the agent at https://api.example-agent.com/v1/invoke safe to call?","What is the reliability score and trust decision for this endpoint?"],"inputModes":["application/json"],"description":"Discover whether an agent is registered with AgentTrust by its exact invocation URL, and if so, retrieve its current health status, deterministic reliability score, and a derived trustDecision (recommended, confidence, reasons) — the entry point for a pre-invocation trust check on an unknown agent endpoint. Read-only; it never contacts the target endpoint itself, only AgentTrust's own existing monitoring history. Through this card's REST API (GET /api/v1/agents?endpoint_url=<url>) it requires an API key, like every REST request. The same check is also available with no AgentTrust account or API key as the MCP tool check_agent_trust at https://getagenttrust.com/api/mcp (an MCP Streamable HTTP endpoint, not an A2A interface).","outputModes":["application/json"]},{"id":"check-ownership-verification","name":"Check ownership verification status","tags":["ownership-verification","trust-signal","agent-identity"],"examples":["Has this agent's endpoint ownership been verified?"],"inputModes":["application/json"],"description":"Check whether a registered agent's endpoint ownership has been independently verified via a published well-known-file challenge. Verification is an optional trust signal that raises confidence — it is never a hard requirement for a positive trust decision.","outputModes":["application/json"]}],"version":"1.0.0","security":[{"bearerAuth":[]}],"description":"Trust infrastructure for AI agents. Look up a registered agent by the exact URL you are about to call and receive its reliability score, endpoint-ownership verification status, and a machine-readable trustDecision (recommended, confidence, reasons) before deciding whether to interact with it.","capabilities":{"streaming":false,"pushNotifications":false},"protocolVersion":"1.0","securitySchemes":{"bearerAuth":{"type":"http","scheme":"bearer","description":"API key obtained by creating an account at https://getagenttrust.com/signup and generating a key in the dashboard. Send it as: Authorization: Bearer <API_KEY>."}},"documentationUrl":"https://getagenttrust.com/docs","defaultInputModes":["application/json"],"defaultOutputModes":["application/json"]},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-07T09:27:17.383341+00:00","source_name":"Global A2A Registry","source_url":"https://api.a2a-registry.org/public/agents","last_check":{"checked_at":"2026-10-07T09:27:17.383341+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"skills":[{"skill_id":"check-agent-trust","name":"Check agent trust","description":"Discover whether an agent is registered with AgentTrust by its exact invocation URL, and if so, retrieve its current health status, deterministic reliability score, and a derived trustDecision (recommended, confidence, reasons) — the entry point for a pre-invocation trust check on an unknown agent endpoint. Read-only; it never contacts the target endpoint itself, only AgentTrust's own existing monitoring history. Through this card's REST API (GET /api/v1/agents?endpoint_url=<url>) it requires an API key, like every REST request. The same check is also available with no AgentTrust account or API key as the MCP tool check_agent_trust at https://getagenttrust.com/api/mcp (an MCP Streamable HTTP endpoint, not an A2A interface).","tags":["trust-check","reliability","endpoint-discovery","trust-decision","pre-invocation","read-only","mcp"]},{"skill_id":"check-ownership-verification","name":"Check ownership verification status","description":"Check whether a registered agent's endpoint ownership has been independently verified via a published well-known-file challenge. Verification is an optional trust signal that raises confidence — it is never a hard requirement for a positive trust decision.","tags":["ownership-verification","trust-signal","agent-identity"]}],"relationships":[],"verification":{"agent_card_url":"https://agenttrust-umber.vercel.app/.well-known/agent-card.json","last_successful_card_check":"2026-10-07T09:27:17.383341+00:00","latest_card_check":{"checked_at":"2026-10-07T09:27:17.383341+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-07T09:27:17.383341+00:00","task_endpoint_tested":false,"provider_identity_verified":false}}