{
      "tool_id": "art-36-tempo-mpp-agent-mandate",
      "tool_version": "1.0.0",
      "display_name": "Tempo MPP Agent Mandate",
      "mcp_name": "decode_mpp_session",
      "mandate_type": "payment_mandate",
      "wave": 9,
      "gpu": false,
      "url": "https://ainumbers.co/chaingraph/art-36-tempo-mpp-agent-mandate.html",
      "description": "Parses an MPP (Machine Payments Protocol) session, validates spend cap and session terms, maps HTTP-402 flow to AP2 Intent→Cart→Payment, performs KYA agent identity check (did:key format), models settlement cost, and emits a signed agent-payment mandate. W-C co-lead. ISO 20022 pacs.008-subset artifact; did:key identity in debtor field.",
      "input_schema_ref": "chaingraph/art-36-tempo-mpp-agent-mandate.html#manifest",
      "deadline": null,
      "deadline_note": "MPP open standard live March 2026. W-C Tempo agent-payments co-lead.",
      "consumes": [
        "art-34-tempo-fit-diagnostic"
      ],
      "feeds": [
        "art-01-ap2-mandate-chain-validator",
        "art-02-agent-spend-policy-simulator",
        "art-04-agent-identity-attestation-checker"
      ],
      "status": "live",
      "conformance_fixtures": false,
      "compute_capability": "server",
      "compute_images": [{"system":"sha256-source","image_id":"sha256:4967b7d4af80a186fa8374e13f61c4f6a14a94ef7f74474dc4fd840ddf488608","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": "Bi/Lh72DVU3ms1v623IiAcJq6/V2PaqM+xZjK6PIVN8CAnlYMN1vERfdNW+e7I8djg+15wWvHGCBTRLLh/BZHCg45OEXK1/+wt0FsbSI2fHqEGWDNotD3ESxPRE3xqubLnmzF6McUKStArgIPpxJLYtl924eBsYcyN5nCqZ6F4QGDOuqrkXFVmKQmgukE7CSGFNj624xkH3x9lNsfIUIkABMfXioBtr78zspPnUqpSEQFkqbhjG/Tph5oBeXHv2lEggARdWE3ChjzNSnfNxiwa8uRDtaGguP4wW4ZzbeESEZ8OJfUc1OlyHvqY/qBw5Lu+WoiaMQWCVSbDbB3L5Sww==",
        "journal": {
          "chaingraph_version": "0.4.0",
          "kernel_digest": "sha256:4967b7d4af80a186fa8374e13f61c4f6a14a94ef7f74474dc4fd840ddf488608",
          "output": {
            "cost_per_call": 0.001,
            "did_valid": true,
            "max_vouchers": 25000,
            "rail": "tempo_stablecoin",
            "risk": {
              "level": "LOW",
              "reasons": [
                "Agent DID validated as did:key method (z6Mk prefix, self-describing, registry-free)",
                "Tempo stablecoin rail selected — on-chain settlement, no chargeback risk",
                "Spend cap ≤ $50 — low-value session, minimal exposure"
              ]
            },
            "spend_cap": 25,
            "stablecoin": "USDC"
          }
        }
      },
      "export_capability": [
        "xlsx",
        "csv",
        "pdf",
        "xbrl:ocg-ext"
      ]
    }