{"id":161269,"name":"828 Trust · A2A Knowledge Agent","description":"Educational agent on counterparty trust, x402 and verification for autonomous agent commerce. Non-custodial; no guarantees, unsolicited messages, or transactions.","card_url":"https://828-a2a-influencer.caoviedoc.workers.dev/.well-known/agent.json","endpoint":"https://828-a2a-influencer.caoviedoc.workers.dev/a2a/message:send","protocol_version":"0.3.0","first_seen":"2026-10-16T18:10:21.572424+00:00","last_verified":"2026-10-16T18:10:21.572424+00:00","card":{"url":"https://828-a2a-influencer.caoviedoc.workers.dev/a2a/message:send","name":"828 Trust · A2A Knowledge Agent","skills":[{"id":"counterparty-trust","name":"Pre-payment counterparty trust","tags":["a2a","x402","trust","counterparty"],"description":"Explain evidence, risk and unknowns before agent payments"},{"id":"settlement-vs-escrow","name":"Settlement and escrow literacy","tags":["x402","settlement","escrow"],"description":"Explain settlement, escrow and dispute boundaries"},{"id":"evidence-based-diligence","name":"Agent and supplier intelligence","tags":["risk","supplier","intelligence"],"description":"Explain report provenance and uncertainty"}],"version":"1.0.0","description":"Educational agent on counterparty trust, x402 and verification for autonomous agent commerce. Non-custodial; no guarantees, unsolicited messages, or transactions.","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"protocolVersion":"0.3.0","defaultInputModes":["text"],"defaultOutputModes":["text"],"supportsAuthenticatedExtendedCard":false},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-16T18:10:21.572424+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"A2A Registry","source_url":"https://a2aregistry.org/api/agents","last_check":{"checked_at":"2026-10-16T18:10:21.572424+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://828-a2a-influencer.caoviedoc.workers.dev/.well-known/agent.json"],"also_observed_in":[{"source_name":"A2A Registry","source_url":"https://a2aregistry.org/api/agents","last_seen":"2026-10-16T18:09:20.575662+00:00"}],"skills":[{"skill_id":"evidence-based-diligence","name":"Agent and supplier intelligence","description":"Explain report provenance and uncertainty","tags":["risk","supplier","intelligence"],"quality_warning":false},{"skill_id":"counterparty-trust","name":"Pre-payment counterparty trust","description":"Explain evidence, risk and unknowns before agent payments","tags":["a2a","x402","trust","counterparty"],"quality_warning":false},{"skill_id":"settlement-vs-escrow","name":"Settlement and escrow literacy","description":"Explain settlement, escrow and dispute boundaries","tags":["x402","settlement","escrow"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":1,"passed":1},"recent_checks":[{"card_url":"https://828-a2a-influencer.caoviedoc.workers.dev/.well-known/agent.json","checked_at":"2026-10-16T18:10:21.572424+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":null,"protocol_check":{"checked_at":"2026-10-16T18:10:21.572424+00:00","state":"jsonrpc_no_task_lookup","http_status":400,"detail":"Endpoint answered JSON-RPC, but neither tasks/get (A2A 0.3) nor GetTask (A2A 1.0) is available. Listing does not require task lookup; implement the method matching your advertised version to confirm A2A"},"x402_price_check":null,"events":[],"relationships":[],"verification":{"agent_card_url":"https://828-a2a-influencer.caoviedoc.workers.dev/.well-known/agent.json","last_successful_card_check":"2026-10-16T18:10:21.572424+00:00","latest_card_check":{"checked_at":"2026-10-16T18:10:21.572424+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-16T18:10:21.572424+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":null,"endpoint_tls_reachable":null,"protocol_check_state":"jsonrpc_no_task_lookup","protocol_checked_at":"2026-10-16T18:10:21.572424+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}