{
      "tool_id": "art-131-signature-agent-card-validator",
      "tool_version": "1.0.0",
      "display_name": "Signature Agent Card Validator",
      "mcp_name": "validate_signature_agent_card",
      "mandate_type": "compliance_mandate",
      "wave": 24,
      "gpu": false,
      "url": "https://ainumbers.co/chaingraph/art-131-signature-agent-card-validator.html",
      "description": "Validate the Signature Agent Card (Cloudflare/Bedrock AgentCore schema): required fields (name, operator, expected request rate, keys) and card keys consistent with the validated directory. Emits identity-trust verdict. Terminal stage of agent-identity-verification chain.",
      "input_schema_ref": "chaingraph/art-131-signature-agent-card-validator.html#manifest",
      "consumes": [
        "art-130-signature-directory-validator"
      ],
      "feeds": [],
      "status": "live",
      "conformance_fixtures": true,
      "compute_capability": "server",
      "compute_images": [{"system":"sha256-source","image_id":"sha256:5d6f9fd42c6de44f905132f55d36afa25bbe38665916fcbd9130d08308ea05d3","valid_from":"2026-07-10"},{"system":"risc0","image_id":"sha256:a1a0bc89b5b1febaeda3519f6dbade0fa5ac16beeb143c4e1b01689573567bc6","valid_from":"2026-06-28"}],
      "compute_proof": {
    "type": "ZkVmReceipt",
    "system": "risc0",
    "receiptFormat": "groth16-bn254",
    "imageId": "sha256:a1a0bc89b5b1febaeda3519f6dbade0fa5ac16beeb143c4e1b01689573567bc6",
    "seal": "JUEq3Dfui91MPw1EY8UVbxJNPPWU1BmFIgLjYYFTxlUPcO/as365lenYuIsqVGuijNBHt/FjbSEIe0rPe4MgjwfiLPoR3dcUB3zRB7vQpF4M8zCljJ7wNLMkUqQE6iuMJ8mF9M07D3szWynaCPHOnysUKr5rY0/PomWBAInntp8XQ8x+3sZO+GYgke0lDLpsJPVuNyX4wObPDVPegdj8dQxbbjYGvriERHJ6ayHnFO8gelV4bsqwJtKHndPm90EnL2V2bJjCIf6oYmYfyqwhpoS4/nRtV6NW2CSzZRdXCPMMc1hax7OFzuBJQbNbldjtztHZlpKBQa33RKwa3joHKA==",
    "journal": {
      "chaingraph_version": "0.4.0",
      "kernel_digest": "sha256:5d6f9fd42c6de44f905132f55d36afa25bbe38665916fcbd9130d08308ea05d3",
      "output": {
        "card_key_count": 1,
        "card_valid": true,
        "keys_consistent": true,
        "missing_fields": []
      }
    }
  },
      "export_capability": [
        "json",
        "vc"
      ]
    }