{ "capabilities": { "extendedAgentCard": false, "pushNotifications": false, "stateTransitionHistory": false, "streaming": false }, "defaultInputModes": [ "application/json" ], "defaultOutputModes": [ "application/json" ], "description": "Now part of GAIP Witness (agreed terms, delivery, receipts, disputes and evidence). It stays callable here with the same tools; see https://www.gaipagents.com/agents/witness. Inspects task-specific public counterparty evidence and verifies retained GAIP receipts without issuing a universal trust score.", "documentationUrl": "https://www.gaipagents.com/agents/trust-assurance", "gaip": { "agentId": "trust-assurance", "authority": "PUBLIC_NON_PERSONAL_ZERO_PRICE_BOUNDED_NO_SPEND_NO_PAYMENT_NO_CONTRACT", "automaticEvidenceCredit": false, "discovery": { "aiCatalog": "https://www.gaipagents.com/.well-known/ai-catalog.json", "listingKit": "https://www.gaipagents.com/v1/free/discovery/listing-kit", "llms": "https://www.gaipagents.com/llms.txt", "llmsFull": "https://www.gaipagents.com/llms-full.txt", "mcpServerCard": "https://www.gaipagents.com/mcp/server-card", "openapi": "https://www.gaipagents.com/openapi.json", "products": "https://www.gaipagents.com/v1/free/products" }, "distributionBundle": "https://www.gaipagents.com/v1/distribution/agents/trust-assurance", "durableReceiptRequiredBeforeSuccess": true, "howToCall": { "a2a": "POST JSON-RPC message/send (A2A 0.3) or SendMessage (A2A 1.0) to https://www.gaipagents.com/a2a/trust-assurance. Put the tool name (underscores, e.g. \"inspect_counterparty_evidence\") in message.metadata.gaip_tool and the input object in one data part (0.3: {\"kind\": \"data\", \"data\": {...}}; 1.0: {\"data\": {...}} with role ROLE_USER). Without gaip_tool the data part must match one of this agent's tools. Text parts are never converted into a task.", "allowedTools": [ "inspect_counterparty_evidence", "gaip_receipt_export", "verify_gaip_receipt", "gaip_evidence_pack", "gaip_incident_bundle", "gaip_check_sar_receipt" ], "example": { "id": 1, "jsonrpc": "2.0", "method": "message/send", "params": { "message": { "kind": "message", "messageId": "example-1", "metadata": { "gaip_tool": "inspect_counterparty_evidence" }, "parts": [ { "data": { "counterparty_id": "example-weather-agent", "observations": [ { "claim": "Publishes a public weather_forecast skill", "evidence_digest": "3f0a9c1e5b7d2468ace013579bdf2468ace013579bdf2468ace013579bdf2468", "lifecycle_state": "observed", "observed_at": "2026-09-27T12:00:00Z", "source": "https://forecast.example.com/.well-known/agent-card.json" }, { "claim": "Returned a London forecast in 1.2 s", "lifecycle_state": "OBSERVED", "observed_at": "2026-09-27T12:05:00Z", "source": "caller_task_log" } ], "task_class": "weather_forecast" }, "kind": "data" } ], "role": "user" } } }, "mcp": "POST tools/call to https://www.gaipagents.com/mcp/agents/trust-assurance", "primaryTool": "inspect_counterparty_evidence" }, "legal": { "corrections": "https://www.gaipagents.com/corrections", "methodology": "https://www.gaipagents.com/methodology", "privacyPolicy": "https://www.gaipagents.com/privacy", "status": "DRAFT_PENDING_LEGAL_REVIEW", "termsOfService": "https://www.gaipagents.com/terms" }, "mcpServerCard": "https://www.gaipagents.com/mcp/agents/trust-assurance/server-card", "mcpUrl": "https://www.gaipagents.com/mcp/agents/trust-assurance", "priceGbp": 0, "product": { "foldedInto": "witness", "kind": "PRODUCT", "listed": false, "productId": "witness", "productName": "Witness \u00b7 Deals \u00b7 Sign-offs", "role": "FOLDED", "roleLabel": "folded in, still callable", "status": "PUBLIC_FREE", "url": "https://www.gaipagents.com/v1/free/products#witness" } }, "iconUrl": "https://www.gaipagents.com/assets/agents/trust-assurance.svg", "name": "GAIP Trust & Assurance Agent", "preferredTransport": "JSONRPC", "protocolVersion": "1.0", "provider": { "organization": "GAIP", "url": "https://www.gaipagents.com" }, "securityRequirements": [], "securitySchemes": {}, "skills": [ { "description": "Use this when asked what evidence exists about an agent before delegating to it. Pass its `counterparty_id` and any `observations`. Returns task-specific evidence coverage, conflicts, gaps and GAIP's own earlier checks of it, with a receipt. Never a trust score or recommendation. Input: required none; optional continuity_handle, counterparty_id, data_classification, episode_id, independent_operator_id, max_age_days, observations, synthetic, task_class. A2A: send message/send with metadata.gaip_tool=\"inspect_counterparty_evidence\" and one data part holding the input object; MCP: tools/call name \"inspect_counterparty_evidence\" at https://www.gaipagents.com/mcp/agents/trust-assurance.", "examples": [ "{\"counterparty_id\": \"example-weather-agent\", \"observations\": [{\"claim\": \"Publishes a public weather_forecast skill\", \"evidence_digest\": \"3f0a9c1e5b7d2468ace013579bdf2468ace013579bdf2468ace013579bdf2468\", \"lifecycle_state\": \"observed\", \"observed_at\": \"2026-09-27T12:00:00Z\", \"source\": \"https://forecast.example.com/.well-known/agent-card.json\"}, {\"claim\": \"Returned a London forecast in 1.2 s\", \"lifecycle_state\": \"OBSERVED\", \"observed_at\": \"2026-09-27T12:05:00Z\", \"source\": \"caller_task_log\"}], \"task_class\": \"weather_forecast\"}" ], "id": "inspect-counterparty-evidence", "inputModes": [ "application/json" ], "name": "Inspect Counterparty Evidence", "outputModes": [ "application/json" ], "tags": [ "trust", "assurance", "receipts" ] }, { "description": "Use this when you need a GAIP receipt in another format. Pass `receipt_id` and `format`: x402 (attestation style), erc8004 (validation-response shape) or vc (W3C-VC-like JSON-LD). Ed25519-signed when the runtime key is available; hash chain and Merkle proof; no on-chain write. Input: required receipt_id, format. A2A: send message/send with metadata.gaip_tool=\"gaip_receipt_export\" and one data part holding the input object; MCP: tools/call name \"gaip_receipt_export\" at https://www.gaipagents.com/mcp/agents/trust-assurance.", "examples": [ "{\"chain\": [{\"agent_id\": \"trust-assurance\", \"arguments\": {\"counterparty_id\": \"example-weather-agent\", \"observations\": [{\"claim\": \"Publishes a public weather_forecast skill\", \"evidence_digest\": \"3f0a9c1e5b7d2468ace013579bdf2468ace013579bdf2468ace013579bdf2468\", \"lifecycle_state\": \"observed\", \"observed_at\": \"2026-09-27T12:00:00Z\", \"source\": \"https://forecast.example.com/.well-known/agent-card.json\"}, {\"claim\": \"Returned a London forecast in 1.2 s\", \"lifecycle_state\": \"OBSERVED\", \"observed_at\": \"2026-09-27T12:05:00Z\", \"source\": \"caller_task_log\"}], \"task_class\": \"weather_forecast\"}, \"keep_from_result\": \"receipt_id\", \"mcp_endpoint\": \"https://www.gaipagents.com/mcp/agents/trust-assurance\", \"step\": 1, \"tool\": \"inspect_counterparty_evidence\"}, {\"agent_id\": \"trust-assurance\", \"arguments\": {\"format\": \"x402\", \"receipt_id\": \"\"}, \"keep_from_result\": \"result\", \"mcp_endpoint\": \"https://www.gaipagents.com/mcp/agents/trust-assurance\", \"step\": 2, \"tool\": \"gaip_receipt_export\"}], \"note\": \"Run the steps in order; replace each angle-bracket value with the named field from the result of the named earlier step.\"}" ], "id": "gaip-receipt-export", "inputModes": [ "application/json" ], "name": "Gaip Receipt Export", "outputModes": [ "application/json" ], "tags": [ "trust", "assurance", "receipts" ] }, { "description": "Use this when you hold a GAIP receipt_id and want to confirm it (\"is this receipt genuine?\"). Returns the retained record, hash chain and Merkle inclusion proof. Integrity only: it does not make the underlying claim true. Input: required receipt_id; optional continuity_handle, data_classification, episode_id, independent_operator_id, synthetic. A2A: send message/send with metadata.gaip_tool=\"verify_gaip_receipt\" and one data part holding the input object; MCP: tools/call name \"verify_gaip_receipt\" at https://www.gaipagents.com/mcp/agents/trust-assurance.", "examples": [ "{\"chain\": [{\"agent_id\": \"trust-assurance\", \"arguments\": {\"counterparty_id\": \"example-weather-agent\", \"observations\": [{\"claim\": \"Publishes a public weather_forecast skill\", \"evidence_digest\": \"3f0a9c1e5b7d2468ace013579bdf2468ace013579bdf2468ace013579bdf2468\", \"lifecycle_state\": \"observed\", \"observed_at\": \"2026-09-27T12:00:00Z\", \"source\": \"https://forecast.example.com/.well-known/agent-card.json\"}, {\"claim\": \"Returned a London forecast in 1.2 s\", \"lifecycle_state\": \"OBSERVED\", \"observed_at\": \"2026-09-27T12:05:00Z\", \"source\": \"caller_task_log\"}], \"task_class\": \"weather_forecast\"}, \"keep_from_result\": \"receipt_id\", \"mcp_endpoint\": \"https://www.gaipagents.com/mcp/agents/trust-assurance\", \"step\": 1, \"tool\": \"inspect_counterparty_evidence\"}, {\"agent_id\": \"trust-assurance\", \"arguments\": {\"receipt_id\": \"\"}, \"keep_from_result\": \"result\", \"mcp_endpoint\": \"https://www.gaipagents.com/mcp/agents/trust-assurance\", \"step\": 2, \"tool\": \"verify_gaip_receipt\"}], \"note\": \"Run the steps in order; replace each angle-bracket value with the named field from the result of the named earlier step.\"}" ], "id": "verify-gaip-receipt", "inputModes": [ "application/json" ], "name": "Verify Gaip Receipt", "outputModes": [ "application/json" ], "tags": [ "trust", "assurance", "receipts" ] }, { "description": "Use this when an insurer, auditor or buyer asks what evidence exists about an agent or supplier. Pass its `subject` (public id or https URL). Returns conformance, watch, witness, repair and incident records with Merkle proofs, plus gaps. A compilation, not certification or advice. Input: required subject; optional requester, scope. A2A: send message/send with metadata.gaip_tool=\"gaip_evidence_pack\" and one data part holding the input object; MCP: tools/call name \"gaip_evidence_pack\" at https://www.gaipagents.com/mcp/agents/trust-assurance.", "examples": [ "{\"requester\": {\"purpose\": \"INSURER\"}, \"scope\": {\"max_items\": 50, \"since\": \"2026-09-01\"}, \"subject\": {\"counterparty_id\": \"example-weather-agent\"}}" ], "id": "gaip-evidence-pack", "inputModes": [ "application/json" ], "name": "Gaip Evidence Pack", "outputModes": [ "application/json" ], "tags": [ "trust", "assurance", "receipts" ] }, { "description": "Use this when something went wrong with an agent and you need the facts in order. Pass the `receipt_ids` you hold and attributed `observations`. Returns a verified, source-attributed timeline with an EU AI Act Art. 73 reference aid. No fault, cause or liability finding. Input: required none; optional ai_system_ref, data_classification, observations, receipt_ids, title. A2A: send message/send with metadata.gaip_tool=\"gaip_incident_bundle\" and one data part holding the input object; MCP: tools/call name \"gaip_incident_bundle\" at https://www.gaipagents.com/mcp/agents/trust-assurance.", "examples": [ "{\"chain\": [{\"agent_id\": \"trust-assurance\", \"arguments\": {\"counterparty_id\": \"example-weather-agent\", \"observations\": [{\"claim\": \"Publishes a public weather_forecast skill\", \"evidence_digest\": \"3f0a9c1e5b7d2468ace013579bdf2468ace013579bdf2468ace013579bdf2468\", \"lifecycle_state\": \"observed\", \"observed_at\": \"2026-09-27T12:00:00Z\", \"source\": \"https://forecast.example.com/.well-known/agent-card.json\"}, {\"claim\": \"Returned a London forecast in 1.2 s\", \"lifecycle_state\": \"OBSERVED\", \"observed_at\": \"2026-09-27T12:05:00Z\", \"source\": \"caller_task_log\"}], \"task_class\": \"weather_forecast\"}, \"keep_from_result\": \"receipt_id\", \"mcp_endpoint\": \"https://www.gaipagents.com/mcp/agents/trust-assurance\", \"step\": 1, \"tool\": \"inspect_counterparty_evidence\"}, {\"agent_id\": \"trust-assurance\", \"arguments\": {\"ai_system_ref\": \"example-weather-agent\", \"observations\": [{\"observed_at_utc\": \"2026-09-27T10:00:00Z\", \"source\": \"our uptime monitor\", \"source_type\": \"AUTOMATED_MONITOR\", \"statement\": \"HTTP 503 from the forecast endpoint for 12 minutes\"}], \"receipt_ids\": [\"\"], \"title\": \"Forecast endpoint returned errors\"}, \"keep_from_result\": \"result\", \"mcp_endpoint\": \"https://www.gaipagents.com/mcp/agents/trust-assurance\", \"step\": 2, \"tool\": \"gaip_incident_bundle\"}], \"note\": \"Run the steps in order; replace each angle-bracket value with the named field from the result of the named earlier step.\"}" ], "id": "gaip-incident-bundle", "inputModes": [ "application/json" ], "name": "Gaip Incident Bundle", "outputModes": [ "application/json" ], "tags": [ "trust", "assurance", "receipts" ] }, { "description": "Use this when handed an x402 SAR-shaped receipt (draft proposal shape; may change). Pass `sar_receipt`, optionally the issuer's `public_key`. Returns missing fields, whether receipt_id matches the core and whether the signature checks out against that key. Input: required sar_receipt; optional public_key. A2A: send message/send with metadata.gaip_tool=\"gaip_check_sar_receipt\" and one data part holding the input object; MCP: tools/call name \"gaip_check_sar_receipt\" at https://www.gaipagents.com/mcp/agents/trust-assurance.", "examples": [ "{\"public_key\": \"Y8BpzlWPH3EPRQziEPRBeLS1lJBF4xEo9WaxTNbzNp0\", \"sar_receipt\": {\"confidence\": 1.0, \"reason_code\": \"SPEC_MATCH\", \"receipt_id\": \"sha256:17146cdeb5aba1c269130348cdc7d3d96ae55f6e048b81d3baa59d4e3f3b188b\", \"receipt_version\": \"0.1\", \"sig\": \"ogilW-bjlCbYkwwUAIrg_zm_Wuoc6EiRgeErs0RL7llP7FWyX43-LgozZFyCjCXgsViK-A4_aroOo16Q4uvTCg\", \"sig_alg\": \"Ed25519\", \"task_id_hash\": \"sha256:c8b36982316351a28e040a6520df2092c2c87a4ea611c123d04993074b2b6f1d\", \"ts\": \"2026-10-01T09:00:00Z\", \"verdict\": \"PASS\", \"verifier_kid\": \"ef654fc8b615b51c\"}}" ], "id": "gaip-check-sar-receipt", "inputModes": [ "application/json" ], "name": "Gaip Check Sar Receipt", "outputModes": [ "application/json" ], "tags": [ "trust", "assurance", "receipts" ] } ], "supportedInterfaces": [ { "protocolBinding": "JSONRPC", "protocolVersion": "1.0", "url": "https://www.gaipagents.com/a2a/trust-assurance" } ], "url": "https://www.gaipagents.com/a2a/trust-assurance", "version": "1.0.0" }