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Evidence may be stale.","card_url":"https://api.machineeconomyobservatory.com/.well-known/agent-card.json","endpoint":"https://api.machineeconomyobservatory.com/a2a","protocol_version":"1.0","first_seen":"2026-10-28T15:02:25.659124+00:00","last_verified":"2026-10-28T15:02:25.659124+00:00","card":{"name":"MEO Preflight","skills":[{"id":"machine_payment_preflight","name":"Machine payment preflight","tags":["payment-preflight","historical-evidence","read-only","base","usdc"],"examples":["{\"resource\":\"https://blockrun.ai/api/v1/exa/search\",\"payTo\":\"0x0000000000000000000000000000000000000001\",\"network\":\"eip155:8453\",\"asset\":\"USDC\",\"amount\":\"0.011\"}"],"description":"Send exactly one JSON data part with resource, payTo, network, asset and amount as strings, using the existing Preflight input contract. Returns historical comparisons, evidence freshness and explicit unknowns. Base (eip155:8453) / USDC only; other networks/assets return UNSUPPORTED. No live resource fetch, payment execution, payment approval, or settlement verification. Each request is independent; context IDs correlate messages but no conversation history or tasks are retained. Maximum JSON-RPC request body: 8192 bytes."}],"version":"0.3.0","provider":{"url":"https://machineeconomyobservatory.com","organization":"Machine Economy Observatory"},"description":"Read-only comparison of proposed machine payment terms with dated third-party public observations retained by MEO. Does not execute or approve payments. Pilot scope: two services; third-party public probe observations retained by MEO, not independently verified settlements. Settlement/buyer history, current activity and payment destination history are UNKNOWN. Evidence may be stale.","capabilities":{"streaming":false,"extendedAgentCard":false,"pushNotifications":false},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"supportedInterfaces":[{"url":"https://api.machineeconomyobservatory.com/a2a","protocolBinding":"JSONRPC","protocolVersion":"1.0"}]},"status":"verified","publisher_domain":"machineeconomyobservatory.com","signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-28T15:02:25.659124+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"Publisher Agent Card","source_url":"https://api.machineeconomyobservatory.com/.well-known/agent-card.json","last_check":{"checked_at":"2026-10-28T15:02:25.659124+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://api.machineeconomyobservatory.com/.well-known/agent-card.json"],"skills":[{"skill_id":"machine_payment_preflight","name":"Machine payment preflight","description":"Send exactly one JSON data part with resource, payTo, network, asset and amount as strings, using the existing Preflight input contract. 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Maximum JSON-RPC request body: 8192 bytes.","tags":["payment-preflight","historical-evidence","read-only","base","usdc"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":1,"passed":1},"recent_checks":[{"card_url":"https://api.machineeconomyobservatory.com/.well-known/agent-card.json","checked_at":"2026-10-28T15:02:25.659124+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-28T15:02:25.659124+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-28T15:02:25.659124+00:00","endpoint":"https://api.machineeconomyobservatory.com/a2a","protocol_binding":"JSONRPC","protocol_version":"1.0","state":"a2a_response","http_status":200,"detail":"A2A task-not-found response to a read-only task lookup","request_diagnostics":{"requests":[{"path":"/a2a","allow":[],"method":"POST","status":200,"version_header":"1.0","protocol_method":"GetTask","redirect_followed":false}],"capture_version":1}},"declared_primary_endpoint":"https://api.machineeconomyobservatory.com/a2a","selected_connection_interface":{"url":"https://api.machineeconomyobservatory.com/a2a","protocolBinding":"JSONRPC","protocolVersion":"1.0"},"protocol_interface_checks":[{"endpoint":"https://api.machineeconomyobservatory.com/a2a","protocol_binding":"JSONRPC","protocol_version":"1.0","selected":true,"state":"a2a_response","checked_at":"2026-10-28T15:02:25.659124+00:00","http_status":200,"detail":"A2A task-not-found response to a read-only task lookup","binding_recorded":true}],"connection_selection_note":"The selected connection uses an address advertised in the publisher card. Read-only observations do not establish task quality or safety.","x402_price_check":null,"events":[],"relationships":[],"verification":{"agent_card_url":"https://api.machineeconomyobservatory.com/.well-known/agent-card.json","last_successful_card_check":"2026-10-28T15:02:25.659124+00:00","latest_card_check":{"checked_at":"2026-10-28T15:02:25.659124+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-28T15:02:25.659124+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-28T15:02:25.659124+00:00","endpoint_tls_reachable":true,"protocol_check_state":"a2a_response","protocol_checked_at":"2026-10-28T15:02:25.659124+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null},"synthetic_capability_tests":{"agent_id":499057,"status":"not_tested","reason_code":"not_yet_tested","consent_status":"not_confirmed","latest_observation_status":null,"last_checked_at":null,"fixture_version":"1","reference_demonstration":false,"scope":"A publisher-authorized synthetic test of a dedicated free test endpoint. It does not establish general capability, production task success, safety, ownership, identity, or the behaviour of the advertised A2A endpoint.","methodology_url":"https://localmark.ai/capability-tests","history":[]},"repair_links":{"agent_repair_url":"https://localmark.ai/agents/499057/repair","publisher_report_url":"https://localmark.ai/publishers/machineeconomyobservatory.com/repair","diagnostics_json_url":"https://localmark.ai/publishers/machineeconomyobservatory.com/repair/diagnostics.json","diagnostics_csv_url":"https://localmark.ai/publishers/machineeconomyobservatory.com/repair/diagnostics.csv"},"_localmark":{"contribution":{"optional":true,"directory_access":"free","operator_authorization_required":true,"affects_rankings":false,"message":"LocalMark is free. Optional contributions help fund ongoing checks.","support_url":"https://localmark.ai/support","metadata_url":"https://localmark.ai/api/v1/support/contributions"}}}