{ "ok": true, "protocol": "Model Context Protocol", "transport": "streamable-http", "endpoint": "https://m2m-escrow-arbiter-a2a.vassiliy-lakhonin.workers.dev/mcp/agent", "legacy_payment_endpoint": "https://m2m-escrow-arbiter-a2a.vassiliy-lakhonin.workers.dev/mcp", "fleet_directory": "https://m2m-escrow-arbiter-a2a.vassiliy-lakhonin.workers.dev/.well-known/fleet.json", "invocation": { "method": "POST", "content_type": "application/json", "accept": [ "application/json", "text/event-stream" ] }, "supports_sse_get": false, "supported_protocol_versions": [ "2026-07-28", "2025-11-25", "2025-06-18", "2025-03-26" ], "server_card": "https://m2m-escrow-arbiter-a2a.vassiliy-lakhonin.workers.dev/.well-known/mcp/server-card.json", "tools": [ { "name": "m2m_escrow_arbitration_ruling", "description": "Deterministic dispute arbitration and delivery verification for Agent-to-Agent escrow transactions. Checks supplied hashes, supported offline JSON schemas and deadlines, proposing allocations for human review. No settlement or clearance is issued. Required tool arguments: request. Grades supplied evidence; it does not independently verify source truth. Obtain the source records requested by inputSchema before asking for a decision-ready result. Do not fabricate missing evidence. Illustrative example arguments (synthetic; replace with your own data): {\"request\":{\"escrow_id\":\"escrow-m2m-sample-001\",\"dispute_claim\":{\"claimant\":\"buyer\",\"reason\":\"Contract deliverable dispute\"},\"deal_terms\":{\"buyer_id\":\"did:agent:0x1111111111111111111111111111111111111111\",\"seller_id\":\"did:agent:0x2222222222222222222222222222222222222222\",\"amount_usd\":500,\"currency\":\"USDC\",\"deadline_utc\":\"2026-09-17T18:00:00Z\",\"arbitration_policy\":\"pro_rata\",\"arbitration_fee_pct\":1},\"specification\":{\"deliverable_type\":\"json_data\",\"min_valid_records_pct\":95},\"delivery_submission\":{\"submitted_at\":\"2026-09-17T12:00:00Z\",\"telemetry\":{\"total_items\":1000,\"valid_items\":1000,\"response_time_ms\":320}}}}. This product offers two free trial attempts at /v1/trial; shared networks share the allowance and daily capacity is limited. Evaluation on paid endpoints requires a signed Base USDC payment for the exact request, or Pro access. Discovery is free. Keep the original request and X-Payment-Signature for result recovery within 24 hours. Current prices: https://m2m-escrow-arbiter-a2a.vassiliy-lakhonin.workers.dev/.well-known/x402. Do not pay automatically. Evidence triage only: no factual-truth verification, no legal, compliance, sanctions, or financial advice. Human review is required before any commercial action.", "inputSchema": { "type": "object", "properties": { "request": { "type": "object", "description": "Structured request object. Full contract: https://github.com/vassiliylakhonin/agenda-intelligence-md/blob/main/schemas/v1/m2m-escrow-arbiter-request.schema.json", "additionalProperties": true } }, "required": [ "request" ], "additionalProperties": false }, "_meta": { "com.agenda/readiness": { "schema_version": 1, "required_arguments": [ "request" ], "example_arguments": { "request": { "escrow_id": "escrow-m2m-sample-001", "dispute_claim": { "claimant": "buyer", "reason": "Contract deliverable dispute" }, "deal_terms": { "buyer_id": "did:agent:0x1111111111111111111111111111111111111111", "seller_id": "did:agent:0x2222222222222222222222222222222222222222", "amount_usd": 500, "currency": "USDC", "deadline_utc": "2026-09-17T18:00:00Z", "arbitration_policy": "pro_rata", "arbitration_fee_pct": 1 }, "specification": { "deliverable_type": "json_data", "min_valid_records_pct": 95 }, "delivery_submission": { "submitted_at": "2026-09-17T12:00:00Z", "telemetry": { "total_items": 1000, "valid_items": 1000, "response_time_ms": 320 } } } }, "example_is_synthetic": true, "next_step": "Grades supplied evidence; it does not independently verify source truth. Obtain the source records requested by inputSchema before asking for a decision-ready result. Do not fabricate missing evidence.", "expected_output_fields": [], "access": { "authentication": "none", "base_call_price": "paid", "billing_mode": "pay_per_call", "discovery_is_free": true, "quota_per_hour": null, "quota_enforcement": "best_effort", "pricing_url": "https://m2m-escrow-arbiter-a2a.vassiliy-lakhonin.workers.dev/.well-known/x402", "free_trial": { "endpoint": "/v1/trial", "agent_profile": "m2m_escrow_arbiter", "tool": "m2m_escrow_arbitration_ruling", "evaluation_kind": "evidence_review", "attempts_per_network": 2, "daily_service_limit": 1000, "payment_required": false, "scope": "Two attempts per network address per product for this trial campaign; shared networks share the allowance. Daily capacity is shared across all products.", "paid_endpoint": "/v1/m2m-escrow/evaluate-dispute", "paid_transport": "rest", "paid_price_usdc": 0.5 }, "on_quota_exceeded": "Wait for the next UTC hour or review optional paid access; do not pay automatically.", "payment_integration": "Legacy transaction-hash integration; standard x402 interoperability is not certified." } } }, "annotations": { "readOnlyHint": true, "destructiveHint": false, "idempotentHint": true, "openWorldHint": false }, "outputSchema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "M2MEscrowArbiterResponseMcpCompatibility", "type": "object", "anyOf": [ { "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "M2MEscrowArbiterResponse", "description": "Response contract for delivery-evidence review. Unverified delivery requires human review and cannot authorize settlement.", "x-schema-version": "1", "type": "object", "additionalProperties": false, "required": [ "contract_version", "profile", "arbitration_ruling" ], "properties": { "contract_version": { "type": "string" }, "profile": { "type": "string", "const": "m2m_escrow_arbiter" }, "arbitration_ruling": { "type": "object", "required": [ "status", "ruling", "score", "escrow_id", "payout_breakdown", "checks", "violations", "evidence_gaps" ], "properties": { "status": { "type": "string", "enum": [ "decision_ready", "not_decision_ready", "escalate" ] }, "ruling": { "type": "string", "enum": [ "RELEASE_TO_SELLER", "REFUND_TO_BUYER", "PARTIAL_SETTLEMENT", "ESCALATE_HUMAN" ] }, "score": { "type": "integer" }, "escrow_id": { "type": "string" }, "payout_breakdown": { "type": "object", "required": [ "total_escrow_usd", "seller_payout_usd", "buyer_refund_usd", "arbiter_fee_usd" ], "properties": { "total_escrow_usd": { "type": "number" }, "seller_payout_usd": { "type": "number" }, "buyer_refund_usd": { "type": "number" }, "arbiter_fee_usd": { "type": "number" } } }, "checks": { "type": "object", "required": [ "deadline_honored", "hash_verified", "schema_verified", "slo_verified" ], "properties": { "deadline_honored": { "type": "boolean" }, "hash_verified": { "type": "boolean" }, "schema_verified": { "type": "boolean" }, "slo_verified": { "type": "boolean" } } }, "violations": { "type": "array", "items": { "type": "string" } }, "evidence_gaps": { "type": "array", "items": { "type": "string" } }, "vizier_status": { "type": "string" }, "vizier_clearance_receipt": { "type": [ "string", "null" ] }, "execution_advisory": { "type": "string" }, "settlement_authorized": { "type": "boolean", "const": false }, "evaluation_scope": { "type": "string" }, "check_status": { "type": "object", "additionalProperties": { "enum": [ "passed", "failed", "not_evaluated", "not_applicable" ] } } } } } }, { "type": "object", "required": [ "id", "status", "artifacts", "metadata" ], "properties": { "id": { "type": "string" }, "status": { "type": "object", "required": [ "state" ], "properties": { "state": { "type": "string" } } }, "artifacts": { "type": "array", "items": { "type": "object" } }, "metadata": { "type": "object", "required": [ "response", "human_review_required" ], "properties": { "response": { "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "M2MEscrowArbiterResponse", "description": "Response contract for delivery-evidence review. Unverified delivery requires human review and cannot authorize settlement.", "x-schema-version": "1", "type": "object", "additionalProperties": false, "required": [ "contract_version", "profile", "arbitration_ruling" ], "properties": { "contract_version": { "type": "string" }, "profile": { "type": "string", "const": "m2m_escrow_arbiter" }, "arbitration_ruling": { "type": "object", "required": [ "status", "ruling", "score", "escrow_id", "payout_breakdown", "checks", "violations", "evidence_gaps" ], "properties": { "status": { "type": "string", "enum": [ "decision_ready", "not_decision_ready", "escalate" ] }, "ruling": { "type": "string", "enum": [ "RELEASE_TO_SELLER", "REFUND_TO_BUYER", "PARTIAL_SETTLEMENT", "ESCALATE_HUMAN" ] }, "score": { "type": "integer" }, "escrow_id": { "type": "string" }, "payout_breakdown": { "type": "object", "required": [ "total_escrow_usd", "seller_payout_usd", "buyer_refund_usd", "arbiter_fee_usd" ], "properties": { "total_escrow_usd": { "type": "number" }, "seller_payout_usd": { "type": "number" }, "buyer_refund_usd": { "type": "number" }, "arbiter_fee_usd": { "type": "number" } } }, "checks": { "type": "object", "required": [ "deadline_honored", "hash_verified", "schema_verified", "slo_verified" ], "properties": { "deadline_honored": { "type": "boolean" }, "hash_verified": { "type": "boolean" }, "schema_verified": { "type": "boolean" }, "slo_verified": { "type": "boolean" } } }, "violations": { "type": "array", "items": { "type": "string" } }, "evidence_gaps": { "type": "array", "items": { "type": "string" } }, "vizier_status": { "type": "string" }, "vizier_clearance_receipt": { "type": [ "string", "null" ] }, "execution_advisory": { "type": "string" }, "settlement_authorized": { "type": "boolean", "const": false }, "evaluation_scope": { "type": "string" }, "check_status": { "type": "object", "additionalProperties": { "enum": [ "passed", "failed", "not_evaluated", "not_applicable" ] } } } } } }, "human_review_required": { "const": true } } } } } ] } } ], "liveness": "ok" }