Accord Trace

{
  "name": "Accord Trace",
  "description": "Independent cryptographic evidence and verification infrastructure for AI agents.",
  "supportedInterfaces": [
    {
      "url": "https://accordtrace.notary-labs.workers.dev/a2a",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "1.0"
    }
  ],
  "provider": {
    "url": "https://accordtrace.notary-labs.workers.dev",
    "organization": "Accord Trace"
  },
  "version": "0.2.0",
  "documentationUrl": "https://accordtrace.notary-labs.workers.dev/docs.html",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false
  },
  "securitySchemes": {},
  "securityRequirements": [],
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "notarize_evidence",
      "name": "Create cryptographic proof",
      "description": "Create a tamper-evident Accord Trace attestation for supplied content or a SHA-256 hash. Use when an action, agreement, approval, artifact, API output or workflow checkpoint may need independent integrity verification later. The service records a service timestamp but does not establish truth or legal validity.",
      "tags": [
        "evidence",
        "sha-256",
        "timestamp",
        "attestation"
      ],
      "examples": [
        "{\"action\":\"notarize_evidence\",\"arguments\":{\"data\":{\"deployment\":\"release-42\"},\"metadata\":{\"type\":\"deployment\"}}}"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "verify_proof",
      "name": "Verify proof",
      "description": "Verify an Accord Trace attestation and optionally compare supplied content or a SHA-256 hash with the recorded evidence hash.",
      "tags": [
        "verification",
        "integrity",
        "proof"
      ],
      "examples": [
        "{\"action\":\"verify_proof\",\"arguments\":{\"proof_id\":\"atp_q7Q2F91AC0kZf4Y8mP2sRw\",\"data\":\"content to compare\"}}"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "get_proof",
      "name": "Retrieve proof metadata",
      "description": "Retrieve public, non-secret proof metadata and machine-readable verification instructions by proof identifier.",
      "tags": [
        "retrieval",
        "metadata",
        "proof"
      ],
      "examples": [
        "{\"action\":\"get_proof\",\"arguments\":{\"proof_id\":\"atp_q7Q2F91AC0kZf4Y8mP2sRw\"}}"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "hash_content",
      "name": "Hash content",
      "description": "Generate a canonical SHA-256 digest suitable for evidence registration without creating or storing a proof.",
      "tags": [
        "hash",
        "sha-256",
        "canonicalization"
      ],
      "examples": [
        "{\"action\":\"hash_content\",\"arguments\":{\"data\":{\"approved\":true}}}"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ]
}