{
      "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":"sha256:02cc79e6816db16e1e31ee80ce2bf4101ab8959fbb51653651ac1a84084b1134","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": "Hghw3ngCP2LjoXI0YSTeohT1F9AYDj14/3KQ/xQB0PINOKGmu+18cKZ7ijtPqNY3SSI6556dO0koL3B0I5Gj3Bcd4fc/Rd+bZ4Hu8EOP7i1JazdxwnU/5zhhJwxN2S7HLTkagEQaYYyfnpNhF6rPpFlWiTqvs+6nPYgLNtSnO2YQdU24q2dPFDvkNRSiU0hsYewvq6t2OyoeksdojzpifBVPwnHCeQCda19T8OadGwVDlOd48YqA5AgwygVRFEzpDVRwa1SIXlvGOL+wfnqaayO1v6mfqrHdNI11J9QhD5AHkpnktQWciZBoYZTg/wzm0/cVGFZ2R9B5LC8vDYn69A==",
        "journal": {
          "chaingraph_version": "0.4.0",
          "kernel_digest": "sha256:21c60915e45a43a2fb8404e58f03ca5126276e119516dfe74f3a15f17b5fe61a",
          "output": {}
        }
      },
      "export_capability": [
        "json",
        "vc"
      ]
    }