{"id":7902,"name":"Echo Agent (Demo)","description":"A bundled demonstration agent shipped with A2A Inspector. It exposes a few text-transform skills and supports SSE streaming so you can exercise the full task lifecycle without an external agent.","card_url":"https://a2a-inspector-liart.vercel.app/.well-known/agent-card.json","endpoint":"https://a2a-inspector-liart.vercel.app/api/demo-agent","protocol_version":"0.2.5","first_seen":"2026-10-10T06:46:29.694759+00:00","last_verified":"2026-10-10T07:58:41.737929+00:00","card":{"url":"https://a2a-inspector-liart.vercel.app/api/demo-agent","name":"Echo Agent (Demo)","skills":[{"id":"echo","name":"Echo","tags":["text","demo"],"examples":["Say hello back to me","Echo: testing 1 2 3"],"description":"Repeats your message back verbatim."},{"id":"shout","name":"Shout","tags":["text","transform"],"examples":["make this loud","shout the announcement"],"description":"Returns your message in UPPERCASE."},{"id":"reverse","name":"Reverse","tags":["text","transform"],"examples":["reverse: stressed"],"description":"Reverses the characters of your message."}],"iconUrl":"https://a2a-inspector-liart.vercel.app/icon.svg","version":"1.0.0","provider":{"url":"https://a2a-inspector-liart.vercel.app","organization":"A2A Inspector"},"description":"A bundled demonstration agent shipped with A2A Inspector. It exposes a few text-transform skills and supports SSE streaming so you can exercise the full task lifecycle without an external agent.","capabilities":{"streaming":true,"pushNotifications":false,"stateTransitionHistory":true},"protocolVersion":"0.2.5","documentationUrl":"https://a2a-inspector-liart.vercel.app","defaultInputModes":["text/plain"],"defaultOutputModes":["text/plain"],"preferredTransport":"JSONRPC"},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-10T07:58:41.737929+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"Agenstry federation","source_url":"https://agenstry.com/docs","last_check":{"checked_at":"2026-10-10T07:58:41.737929+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://a2a-inspector-liart.vercel.app/.well-known/agent-card.json"],"skills":[{"skill_id":"echo","name":"Echo","description":"Repeats your message back verbatim.","tags":["text","demo"],"quality_warning":false},{"skill_id":"reverse","name":"Reverse","description":"Reverses the characters of your message.","tags":["text","transform"],"quality_warning":false},{"skill_id":"shout","name":"Shout","description":"Returns your message in UPPERCASE.","tags":["text","transform"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":4,"passed":4},"recent_checks":[{"card_url":"https://a2a-inspector-liart.vercel.app/.well-known/agent-card.json","checked_at":"2026-10-10T07:58:41.737929+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://a2a-inspector-liart.vercel.app/.well-known/agent-card.json","checked_at":"2026-10-10T07:52:30.553209+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://a2a-inspector-liart.vercel.app/.well-known/agent-card.json","checked_at":"2026-10-10T07:13:18.659739+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://a2a-inspector-liart.vercel.app/.well-known/agent-card.json","checked_at":"2026-10-10T06:46:29.694759+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-10T07:58:41.737929+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-10T07:13:18.659739+00:00","state":"a2a_response","http_status":200,"detail":"A2A task-not-found response to a read-only task lookup"},"events":[],"relationships":[],"verification":{"agent_card_url":"https://a2a-inspector-liart.vercel.app/.well-known/agent-card.json","last_successful_card_check":"2026-10-10T07:58:41.737929+00:00","latest_card_check":{"checked_at":"2026-10-10T07:58:41.737929+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-10T07:58:41.737929+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-10T07:58:41.737929+00:00","endpoint_tls_reachable":true,"protocol_check_state":"a2a_response","protocol_checked_at":"2026-10-10T07:13:18.659739+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}