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SeekAPI China Procurement for AI Agents

purchase_china_supply_check_v0

Destructive

Buy the exact confirmed brief for 2.99 USDC on Base via official x402. Signed wallet invocation and independent image delegation required. Authorized paid images hand off automatically after durable settlement; purchase never runs Provider synchronously. Results disclose product match, source evidence and any shortages under their confirmed policy. Call discover_china_supply_check_v0 for current independent image/text payment availability. Human card entry: https://api.seekapi.ai/checkout/stripe/image for USD 2.99 hosted Checkout; legacy text/model Stripe is OFF. Read the existing result; do not pay again.

Input Schema

NameRequiredDescriptionDefault
purchaseYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / properties / purchase / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "confirmed_at": {
      -        "format": "date-time",
      -        "type": "string"
      -      },
      -      "customer_confirmed_digest": {
      -        "pattern": "^[0-9a-f]{64}$",
      -        "type": "string"
      -      },
      -      "draft": {
      -        "additionalProperties": false,
      -        "properties": {
      -          "input": {
      -            "anyOf": [
      -              {
      -                "additionalProperties": false,
      -                "properties": {
      -                  "text": {
      -                    "type": "string"
      -                  }
      -                },
      -                "required": [
      -                  "text"
      -                ],
      -                "type": "object"
      -              },
      -              {
      -                "additionalProperties": false,
      -                "properties": {
      -                  "model": {
      -                    "type": "string"
      -                  }
      -                },
      -                "required": [
      -                  "model"
      -                ],
      -                "type": "object"
      -              }
      -            ]
      -          },
      -          "model_or_reference": {
      -            "anyOf": [
      -              {
      -                "maxLength": 200,
      -                "type": "string"
      -              },
      -              {
      -                "type": "null"
      -              }
      -            ]
      -          },
      -          "must_match": {
      -            "items": {
      -              "additionalProperties": false,
      -              "properties": {
      -                "attribute": {
      -                  "maxLength": 100,
      -                  "minLength": 1,
      -                  "type": "string"
      -                },
      -                "expected": {
      -                  "maxLength": 100,
      -                  "minLength": 1,
      -                  "type": "string"
      -                }
      -              },
      -              "required": [
      -                "attribute",
      -                "expected"
      -              ],
      -              "type": "object"
      -            },
      -            "maxItems": 5,
      -            "type": "array"
      -          },
      -          "product_name": {
      -            "maxLength": 200,
      -            "minLength": 1,
      -            "type": "string"
      -          },
      -          "quantity": {
      -            "exclusiveMinimum": 0,
      -            "type": "integer"
      -          },
      -          "substitution_allowed": {
      -            "type": "boolean"
      -          },
      -          "unit": {
      -            "maxLength": 32,
      -            "minLength": 1,
      -            "type": "string"
      -          }
      -        },
      -        "required": [
      -          "input",
      -          "quantity",
      -          "unit",
      -          "must_match",
      -          "product_name",
      -          "model_or_reference",
      -          "substitution_allowed"
      -        ],
      -        "type": "object"
      -      },
      -      "draft_digest": {
      -        "pattern": "^[0-9a-f]{64}$",
      -        "type": "string"
      -      },
      -      "intent_id": {
      -        "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "intent_id",
      -      "draft_digest",
      -      "customer_confirmed_digest",
      -      "confirmed_at",
      -      "draft"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "confirmation": {
      -        "anyOf": [
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "acknowledgement": {
      -                "maxLength": 512,
      -                "minLength": 1,
      -                "type": "string"
      -              },
      -              "mode": {
      -                "const": "HUMAN",
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "mode",
      -              "acknowledgement"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "delegated_authority": {
      -                "additionalProperties": false,
      -                "properties": {
      -                  "agent_id": {
      -                    "pattern": "^0x[0-9a-fA-F]{40}$",
      -                    "type": "string"
      -                  },
      -                  "authority_digest": {
      -                    "pattern": "^[0-9a-f]{64}$",
      -                    "type": "string"
      -                  },
      -                  "delegation_id": {
      -                    "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      -                    "type": "string"
      -                  },
      -                  "draft_digest": {
      -                    "pattern": "^[0-9a-f]{64}$",
      -                    "type": "string"
      -                  },
      -                  "expires_at": {
      -                    "format": "date-time",
      -                    "type": "string"
      -                  },
      -                  "input_digest": {
      -                    "pattern": "^[0-9a-f]{64}$",
      -                    "type": "string"
      -                  },
      -                  "input_version": {
      -                    "exclusiveMinimum": 0,
      -                    "type": "integer"
      -                  },
      -                  "intent_id": {
      -                    "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      -                    "type": "string"
      -                  },
      -                  "issued_at": {
      -                    "format": "date-time",
      -                    "type": "string"
      -                  },
      -                  "issuer_address": {
      -                    "pattern": "^0x[0-9a-fA-F]{40}$",
      -                    "type": "string"
      -                  },
      -                  "issuer_signature": {
      -                    "pattern": "^0x[0-9a-fA-F]{130}$",
      -                    "type": "string"
      -                  },
      -                  "principal_id": {
      -                    "pattern": "^0x[0-9a-fA-F]{40}$",
      -                    "type": "string"
      -                  },
      -                  "schema_version": {
      -                    "const": "csc.delegated-confirmation-authority.v1",
      -                    "type": "string"
      -                  },
      -                  "scope": {
      -                    "const": "CONFIRM_CHINA_SUPPLY_CHECK",
      -                    "type": "string"
      -                  }
      -                },
      -                "required": [
      -                  "schema_version",
      -                  "delegation_id",
      -                  "agent_id",
      -                  "principal_id",
      -                  "issuer_address",
      -                  "intent_id",
      -                  "scope",
      -                  "input_version",
      -                  "input_digest",
      -                  "draft_digest",
      -                  "issued_at",
      -                  "expires_at",
      -                  "authority_digest",
      -                  "issuer_signature"
      -                ],
      -                "type": "object"
      -              },
      -              "mode": {
      -                "const": "DELEGATED_AGENT",
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "mode",
      -              "delegated_authority"
      -            ],
      -            "type": "object"
      -          }
      -        ]
      -      },
      -      "confirmed_at": {
      -        "$ref": "#/properties/purchase/anyOf/0/properties/confirmed_at"
      -      },
      -      "customer_confirmed_digest": {
      -        "$ref": "#/properties/purchase/anyOf/0/properties/customer_confirmed_digest"
      -      },
      -      "draft": {
      -        "additionalProperties": false,
      -        "properties": {
      -          "buyer_stated": {
      -            "additionalProperties": false,
      -            "properties": {
      -              "destination": {
      -                "anyOf": [
      -                  {
      -                    "maxLength": 100,
      -                    "minLength": 1,
      -                    "type": "string"
      -                  },
      -                  {
      -                    "type": "null"
      -                  }
      -                ]
      -              },
      -              "must_match": {
      -                "items": {
      -                  "additionalProperties": false,
      -                  "properties": {
      -                    "attribute": {
      -                      "maxLength": 100,
      -                      "minLength": 1,
      -                      "type": "string"
      -                    },
      -                    "expected": {
      -                      "maxLength": 100,
      -                      "minLength": 1,
      -                      "type": "string"
      -                    },
      -                    "provenance": {
      -                      "const": "BUYER_STATED",
      -                      "type": "string"
      -                    }
      -                  },
      -                  "required": [
      -                    "attribute",
      -                    "expected",
      -                    "provenance"
      -                  ],
      -                  "type": "object"
      -                },
      -                "maxItems": 5,
      -                "type": "array"
      -              },
      -              "provenance": {
      -                "const": "BUYER_STATED",
      -                "type": "string"
      -              },
      -              "quantity": {
      -                "anyOf": [
      -                  {
      -                    "exclusiveMinimum": 0,
      -                    "type": "integer"
      -                  },
      -                  {
      -                    "type": "null"
      -                  }
      -                ]
      -              },
      -              "substitution_policy": {
      -                "enum": [
      -                  "EXACT_ONLY",
      -                  "SIMILAR_IF_MUST_MATCH"
      -                ],
      -                "type": "string"
      -              },
      -              "unit": {
      -                "anyOf": [
      -                  {
      -                    "maxLength": 32,
      -                    "minLength": 1,
      -                    "type": "string"
      -                  },
      -                  {
      -                    "type": "null"
      -                  }
      -                ]
      -              }
      -            },
      -            "required": [
      -              "provenance",
      -              "quantity",
      -              "unit",
      -              "must_match",
      -              "substitution_policy",
      -              "destination"
      -            ],
      -            "type": "object"
      -          },
      -          "customer_chinese_required": {
      -            "const": false,
      -            "type": "boolean"
      -          },
      -          "derived": {
      -            "additionalProperties": false,
      -            "properties": {
      -              "confidence": {
      -                "anyOf": [
      -                  {
      -                    "maximum": 1,
      -                    "minimum": 0,
      -                    "type": "number"
      -                  },
      -                  {
      -                    "type": "null"
      -                  }
      -                ]
      -              },
      -              "hard_requirement": {
      -                "const": false,
      -                "type": "boolean"
      -              },
      -              "product_family": {
      -                "anyOf": [
      -                  {
      -                    "maxLength": 200,
      -                    "minLength": 1,
      -                    "type": "string"
      -                  },
      -                  {
      -                    "type": "null"
      -                  }
      -                ]
      -              },
      -              "product_title": {
      -                "anyOf": [
      -                  {
      -                    "maxLength": 200,
      -                    "minLength": 1,
      -                    "type": "string"
      -                  },
      -                  {
      -                    "type": "null"
      -                  }
      -                ]
      -              },
      -              "provenance": {
      -                "const": "DERIVED",
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "provenance",
      -              "product_title",
      -              "product_family",
      -              "confidence",
      -              "hard_requirement"
      -            ],
      -            "type": "object"
      -          },
      -          "draft_digest": {
      -            "pattern": "^[0-9a-f]{64}$",
      -            "type": "string"
      -          },
      -          "input_digest": {
      -            "pattern": "^[0-9a-f]{64}$",
      -            "type": "string"
      -          },
      -          "input_version": {
      -            "exclusiveMinimum": 0,
      -            "type": "integer"
      -          },
      -          "payment_effects": {
      -            "const": 0,
      -            "type": "number"
      -          },
      -          "price_version": {
      -            "const": "csc-agent-usdc-base-v1-299",
      -            "type": "string"
      -          },
      -          "product_id": {
      -            "const": "china_supply_check_v0",
      -            "type": "string"
      -          },
      -          "provider_effects": {
      -            "const": 0,
      -            "type": "number"
      -          },
      -          "reference_image": {
      -            "additionalProperties": false,
      -            "properties": {
      -              "bytes": {
      -                "exclusiveMinimum": 0,
      -                "type": "integer"
      -              },
      -              "digest": {
      -                "pattern": "^[0-9a-f]{64}$",
      -                "type": "string"
      -              },
      -              "height": {
      -                "exclusiveMinimum": 0,
      -                "type": "integer"
      -              },
      -              "identity_claim": {
      -                "const": "REFERENCE_BYTES_ONLY_NOT_PRODUCT_IDENTITY",
      -                "type": "string"
      -              },
      -              "mime": {
      -                "const": "image/png",
      -                "type": "string"
      -              },
      -              "provenance": {
      -                "const": "SOURCE_OBSERVED",
      -                "type": "string"
      -              },
      -              "width": {
      -                "exclusiveMinimum": 0,
      -                "type": "integer"
      -              }
      -            },
      -            "required": [
      -              "provenance",
      -              "digest",
      -              "mime",
      -              "width",
      -              "height",
      -              "bytes",
      -              "identity_claim"
      -            ],
      -            "type": "object"
      -          },
      -          "requires_confirmation": {
      -            "const": true,
      -            "type": "boolean"
      -          },
      -          "schema_version": {
      -            "const": "csc.image-first.prepare.v1",
      -            "type": "string"
      -          },
      -          "unknown": {
      -            "additionalProperties": false,
      -            "properties": {
      -              "blocks_confirmation": {
      -                "const": false,
      -                "type": "boolean"
      -              },
      -              "fields": {
      -                "items": {
      -                  "enum": [
      -                    "product_title",
      -                    "product_family",
      -                    "destination",
      -                    "quantity",
      -                    "unit"
      -                  ],
      -                  "type": "string"
      -                },
      -                "type": "array"
      -              },
      -              "provenance": {
      -                "const": "UNKNOWN",
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "provenance",
      -              "fields",
      -              "blocks_confirmation"
      -            ],
      -            "type": "object"
      -          }
      -        },
      -        "required": [
      -          "schema_version",
      -          "product_id",
      -          "price_version",
      -          "input_version",
      -          "input_digest",
      -          "reference_image",
      -          "buyer_stated",
      -          "derived",
      -          "unknown",
      -          "customer_chinese_required",
      -          "requires_confirmation",
      -          "payment_effects",
      -          "provider_effects",
      -          "draft_digest"
      -        ],
      -        "type": "object"
      -      },
      -      "draft_digest": {
      -        "$ref": "#/properties/purchase/anyOf/0/properties/draft_digest"
      -      },
      -      "image_base64": {
      -        "maxLength": 27962028,
      -        "minLength": 1,
      -        "type": "string"
      -      },
      -      "intent_id": {
      -        "$ref": "#/properties/purchase/anyOf/0/properties/intent_id"
      -      }
      -    },
      -    "required": [
      -      "intent_id",
      -      "draft_digest",
      -      "customer_confirmed_digest",
      -      "confirmed_at",
      -      "draft",
      -      "confirmation"
      -    ],
      -    "type": "object"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "confirmed_at": {
      +        "format": "date-time",
      +        "type": "string"
      +      },
      +      "customer_confirmed_digest": {
      +        "pattern": "^[0-9a-f]{64}$",
      +        "type": "string"
      +      },
      +      "draft": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "input": {
      +            "anyOf": [
      +              {
      +                "additionalProperties": false,
      +                "properties": {
      +                  "text": {
      +                    "type": "string"
      +                  }
      +                },
      +                "required": [
      +                  "text"
      +                ],
      +                "type": "object"
      +              },
      +              {
      +                "additionalProperties": false,
      +                "properties": {
      +                  "model": {
      +                    "type": "string"
      +                  }
      +                },
      +                "required": [
      +                  "model"
      +                ],
      +                "type": "object"
      +              }
      +            ]
      +          },
      +          "model_or_reference": {
      +            "anyOf": [
      +              {
      +                "maxLength": 200,
      +                "type": "string"
      +              },
      +              {
      +                "type": "null"
      +              }
      +            ]
      +          },
      +          "must_match": {
      +            "items": {
      +              "additionalProperties": false,
      +              "properties": {
      +                "attribute": {
      +                  "maxLength": 100,
      +                  "minLength": 1,
      +                  "type": "string"
      +                },
      +                "expected": {
      +                  "maxLength": 100,
      +                  "minLength": 1,
      +                  "type": "string"
      +                }
      +              },
      +              "required": [
      +                "attribute",
      +                "expected"
      +              ],
      +              "type": "object"
      +            },
      +            "maxItems": 5,
      +            "type": "array"
      +          },
      +          "product_name": {
      +            "maxLength": 200,
      +            "minLength": 1,
      +            "type": "string"
      +          },
      +          "quantity": {
      +            "exclusiveMinimum": 0,
      +            "type": "integer"
      +          },
      +          "substitution_allowed": {
      +            "type": "boolean"
      +          },
      +          "unit": {
      +            "maxLength": 32,
      +            "minLength": 1,
      +            "type": "string"
      +          }
      +        },
      +        "required": [
      +          "input",
      +          "quantity",
      +          "unit",
      +          "must_match",
      +          "product_name",
      +          "model_or_reference",
      +          "substitution_allowed"
      +        ],
      +        "type": "object"
      +      },
      +      "draft_digest": {
      +        "pattern": "^[0-9a-f]{64}$",
      +        "type": "string"
      +      },
      +      "intent_id": {
      +        "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "intent_id",
      +      "draft_digest",
      +      "customer_confirmed_digest",
      +      "confirmed_at",
      +      "draft"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "confirmation": {
      +        "anyOf": [
      +          {
      +            "additionalProperties": false,
      +            "properties": {
      +              "acknowledgement": {
      +                "maxLength": 512,
      +                "minLength": 1,
      +                "type": "string"
      +              },
      +              "mode": {
      +                "const": "HUMAN",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "mode",
      +              "acknowledgement"
      +            ],
      +            "type": "object"
      +          },
      +          {
      +            "additionalProperties": false,
      +            "properties": {
      +              "delegated_authority": {
      +                "additionalProperties": false,
      +                "properties": {
      +                  "agent_id": {
      +                    "pattern": "^0x[0-9a-fA-F]{40}$",
      +                    "type": "string"
      +                  },
      +                  "authority_digest": {
      +                    "pattern": "^[0-9a-f]{64}$",
      +                    "type": "string"
      +                  },
      +                  "delegation_id": {
      +                    "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      +                    "type": "string"
      +                  },
      +                  "draft_digest": {
      +                    "pattern": "^[0-9a-f]{64}$",
      +                    "type": "string"
      +                  },
      +                  "expires_at": {
      +                    "format": "date-time",
      +                    "type": "string"
      +                  },
      +                  "input_digest": {
      +                    "pattern": "^[0-9a-f]{64}$",
      +                    "type": "string"
      +                  },
      +                  "input_version": {
      +                    "exclusiveMinimum": 0,
      +                    "type": "integer"
      +                  },
      +                  "intent_id": {
      +                    "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      +                    "type": "string"
      +                  },
      +                  "issued_at": {
      +                    "format": "date-time",
      +                    "type": "string"
      +                  },
      +                  "issuer_address": {
      +                    "pattern": "^0x[0-9a-fA-F]{40}$",
      +                    "type": "string"
      +                  },
      +                  "issuer_signature": {
      +                    "pattern": "^0x[0-9a-fA-F]{130}$",
      +                    "type": "string"
      +                  },
      +                  "principal_id": {
      +                    "pattern": "^0x[0-9a-fA-F]{40}$",
      +                    "type": "string"
      +                  },
      +                  "schema_version": {
      +                    "const": "csc.delegated-confirmation-authority.v1",
      +                    "type": "string"
      +                  },
      +                  "scope": {
      +                    "const": "CONFIRM_CHINA_SUPPLY_CHECK",
      +                    "type": "string"
      +                  }
      +                },
      +                "required": [
      +                  "schema_version",
      +                  "delegation_id",
      +                  "agent_id",
      +                  "principal_id",
      +                  "issuer_address",
      +                  "intent_id",
      +                  "scope",
      +                  "input_version",
      +                  "input_digest",
      +                  "draft_digest",
      +                  "issued_at",
      +                  "expires_at",
      +                  "authority_digest",
      +                  "issuer_signature"
      +                ],
      +                "type": "object"
      +              },
      +              "mode": {
      +                "const": "DELEGATED_AGENT",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "mode",
      +              "delegated_authority"
      +            ],
      +            "type": "object"
      +          }
      +        ]
      +      },
      +      "confirmed_at": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/confirmed_at"
      +      },
      +      "customer_confirmed_digest": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/customer_confirmed_digest"
      +      },
      +      "draft": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "buyer_stated": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "destination": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 100,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "must_match": {
      +                "items": {
      +                  "additionalProperties": false,
      +                  "properties": {
      +                    "attribute": {
      +                      "maxLength": 100,
      +                      "minLength": 1,
      +                      "type": "string"
      +                    },
      +                    "expected": {
      +                      "maxLength": 100,
      +                      "minLength": 1,
      +                      "type": "string"
      +                    },
      +                    "provenance": {
      +                      "const": "BUYER_STATED",
      +                      "type": "string"
      +                    }
      +                  },
      +                  "required": [
      +                    "attribute",
      +                    "expected",
      +                    "provenance"
      +                  ],
      +                  "type": "object"
      +                },
      +                "maxItems": 5,
      +                "type": "array"
      +              },
      +              "provenance": {
      +                "const": "BUYER_STATED",
      +                "type": "string"
      +              },
      +              "quantity": {
      +                "anyOf": [
      +                  {
      +                    "exclusiveMinimum": 0,
      +                    "type": "integer"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "substitution_policy": {
      +                "enum": [
      +                  "EXACT_ONLY",
      +                  "SIMILAR_IF_MUST_MATCH"
      +                ],
      +                "type": "string"
      +              },
      +              "unit": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 32,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "quantity",
      +              "unit",
      +              "must_match",
      +              "substitution_policy",
      +              "destination"
      +            ],
      +            "type": "object"
      +          },
      +          "customer_chinese_required": {
      +            "const": false,
      +            "type": "boolean"
      +          },
      +          "derived": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "confidence": {
      +                "anyOf": [
      +                  {
      +                    "maximum": 1,
      +                    "minimum": 0,
      +                    "type": "number"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "hard_requirement": {
      +                "const": false,
      +                "type": "boolean"
      +              },
      +              "product_family": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 200,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "product_title": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 200,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "provenance": {
      +                "const": "DERIVED",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "product_title",
      +              "product_family",
      +              "confidence",
      +              "hard_requirement"
      +            ],
      +            "type": "object"
      +          },
      +          "draft_digest": {
      +            "pattern": "^[0-9a-f]{64}$",
      +            "type": "string"
      +          },
      +          "input_digest": {
      +            "pattern": "^[0-9a-f]{64}$",
      +            "type": "string"
      +          },
      +          "input_version": {
      +            "exclusiveMinimum": 0,
      +            "type": "integer"
      +          },
      +          "payment_effects": {
      +            "const": 0,
      +            "type": "number"
      +          },
      +          "price_version": {
      +            "const": "csc-agent-usdc-base-v1-299",
      +            "type": "string"
      +          },
      +          "product_id": {
      +            "const": "china_supply_check_v0",
      +            "type": "string"
      +          },
      +          "product_link": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "buyer_confirmed": {
      +                "const": true,
      +                "type": "boolean"
      +              },
      +              "buyer_notes": {
      +                "maxLength": 500,
      +                "minLength": 1,
      +                "type": "string"
      +              },
      +              "confirmed_title": {
      +                "maxLength": 200,
      +                "minLength": 1,
      +                "type": "string"
      +              },
      +              "observation": {
      +                "additionalProperties": false,
      +                "properties": {
      +                  "brand": {
      +                    "$ref": "#/properties/purchase/anyOf/1/properties/draft/properties/product_link/properties/observation/properties/title"
      +                  },
      +                  "canonical_url": {
      +                    "anyOf": [
      +                      {
      +                        "format": "uri",
      +                        "maxLength": 2048,
      +                        "type": "string"
      +                      },
      +                      {
      +                        "type": "null"
      +                      }
      +                    ]
      +                  },
      +                  "identity_claim": {
      +                    "const": "PUBLIC_PAGE_METADATA_NOT_VERIFIED_IDENTITY",
      +                    "type": "string"
      +                  },
      +                  "image_sha256": {
      +                    "pattern": "^[a-f0-9]{64}$",
      +                    "type": "string"
      +                  },
      +                  "model": {
      +                    "$ref": "#/properties/purchase/anyOf/1/properties/draft/properties/product_link/properties/observation/properties/title"
      +                  },
      +                  "observed_at": {
      +                    "format": "date-time",
      +                    "type": "string"
      +                  },
      +                  "original_url": {
      +                    "format": "uri",
      +                    "maxLength": 2048,
      +                    "type": "string"
      +                  },
      +                  "resolved_url": {
      +                    "format": "uri",
      +                    "maxLength": 2048,
      +                    "type": "string"
      +                  },
      +                  "schema_version": {
      +                    "const": "csc.product-link.observation.v1",
      +                    "type": "string"
      +                  },
      +                  "specification": {
      +                    "$ref": "#/properties/purchase/anyOf/1/properties/draft/properties/product_link/properties/observation/properties/title"
      +                  },
      +                  "title": {
      +                    "additionalProperties": false,
      +                    "properties": {
      +                      "provenance": {
      +                        "enum": [
      +                          "SOURCE_OBSERVED",
      +                          "UNKNOWN"
      +                        ],
      +                        "type": "string"
      +                      },
      +                      "source": {
      +                        "enum": [
      +                          "JSON_LD",
      +                          "OPEN_GRAPH",
      +                          "UNKNOWN"
      +                        ],
      +                        "type": "string"
      +                      },
      +                      "value": {
      +                        "anyOf": [
      +                          {
      +                            "maxLength": 200,
      +                            "minLength": 1,
      +                            "type": "string"
      +                          },
      +                          {
      +                            "type": "null"
      +                          }
      +                        ]
      +                      }
      +                    },
      +                    "required": [
      +                      "value",
      +                      "provenance",
      +                      "source"
      +                    ],
      +                    "type": "object"
      +                  },
      +                  "variant": {
      +                    "$ref": "#/properties/purchase/anyOf/1/properties/draft/properties/product_link/properties/observation/properties/title"
      +                  }
      +                },
      +                "required": [
      +                  "schema_version",
      +                  "original_url",
      +                  "resolved_url",
      +                  "canonical_url",
      +                  "observed_at",
      +                  "title",
      +                  "brand",
      +                  "model",
      +                  "variant",
      +                  "specification",
      +                  "image_sha256",
      +                  "identity_claim"
      +                ],
      +                "type": "object"
      +              }
      +            },
      +            "required": [
      +              "observation",
      +              "confirmed_title",
      +              "buyer_confirmed"
      +            ],
      +            "type": "object"
      +          },
      +          "provider_effects": {
      +            "const": 0,
      +            "type": "number"
      +          },
      +          "qualification_policy": {
      +            "enum": [
      +              "QUALIFIED_RFQ_CANDIDATE_AND_VERIFIED_SHORTAGE_V1",
      +              "ACTIONABLE_RFQ_CANDIDATE_V2"
      +            ],
      +            "type": "string"
      +          },
      +          "reference_image": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "bytes": {
      +                "exclusiveMinimum": 0,
      +                "type": "integer"
      +              },
      +              "digest": {
      +                "pattern": "^[0-9a-f]{64}$",
      +                "type": "string"
      +              },
      +              "height": {
      +                "exclusiveMinimum": 0,
      +                "type": "integer"
      +              },
      +              "identity_claim": {
      +                "const": "REFERENCE_BYTES_ONLY_NOT_PRODUCT_IDENTITY",
      +                "type": "string"
      +              },
      +              "mime": {
      +                "const": "image/png",
      +                "type": "string"
      +              },
      +              "provenance": {
      +                "const": "SOURCE_OBSERVED",
      +                "type": "string"
      +              },
      +              "width": {
      +                "exclusiveMinimum": 0,
      +                "type": "integer"
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "digest",
      +              "mime",
      +              "width",
      +              "height",
      +              "bytes",
      +              "identity_claim"
      +            ],
      +            "type": "object"
      +          },
      +          "requires_confirmation": {
      +            "const": true,
      +            "type": "boolean"
      +          },
      +          "schema_version": {
      +            "const": "csc.image-first.prepare.v1",
      +            "type": "string"
      +          },
      +          "selection_contract": {
      +            "enum": [
      +              "SEEKAPI_CSC_SELECTION_TRANSPARENCY_AND_AGENT_TRUST_V1",
      +              "CSC_PRODUCT_FIRST_FACTORY_TIER_SELECTION_V2"
      +            ],
      +            "type": "string"
      +          },
      +          "unknown": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "blocks_confirmation": {
      +                "const": false,
      +                "type": "boolean"
      +              },
      +              "fields": {
      +                "items": {
      +                  "enum": [
      +                    "product_title",
      +                    "product_family",
      +                    "destination",
      +                    "quantity",
      +                    "unit"
      +                  ],
      +                  "type": "string"
      +                },
      +                "type": "array"
      +              },
      +              "provenance": {
      +                "const": "UNKNOWN",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "fields",
      +              "blocks_confirmation"
      +            ],
      +            "type": "object"
      +          }
      +        },
      +        "required": [
      +          "schema_version",
      +          "product_id",
      +          "price_version",
      +          "input_version",
      +          "input_digest",
      +          "reference_image",
      +          "buyer_stated",
      +          "derived",
      +          "unknown",
      +          "customer_chinese_required",
      +          "requires_confirmation",
      +          "payment_effects",
      +          "provider_effects",
      +          "draft_digest"
      +        ],
      +        "type": "object"
      +      },
      +      "draft_digest": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/draft_digest"
      +      },
      +      "image_base64": {
      +        "maxLength": 27962028,
      +        "minLength": 1,
      +        "type": "string"
      +      },
      +      "intent_id": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/intent_id"
      +      },
      +      "source_receipt": {
      +        "pattern": "^[A-Za-z0-9_-]{43}$",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "intent_id",
      +      "draft_digest",
      +      "customer_confirmed_digest",
      +      "confirmed_at",
      +      "draft",
      +      "confirmation"
      +    ],
      +    "type": "object"
      +  }
      +]
  2. Changed1 schema field changed
    • changedInput schema / properties / purchase / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "confirmed_at": {
      -        "format": "date-time",
      -        "type": "string"
      -      },
      -      "customer_confirmed_digest": {
      -        "pattern": "^[0-9a-f]{64}$",
      -        "type": "string"
      -      },
      -      "draft": {
      -        "additionalProperties": false,
      -        "properties": {
      -          "input": {
      -            "anyOf": [
      -              {
      -                "additionalProperties": false,
      -                "properties": {
      -                  "text": {
      -                    "type": "string"
      -                  }
      -                },
      -                "required": [
      -                  "text"
      -                ],
      -                "type": "object"
      -              },
      -              {
      -                "additionalProperties": false,
      -                "properties": {
      -                  "model": {
      -                    "type": "string"
      -                  }
      -                },
      -                "required": [
      -                  "model"
      -                ],
      -                "type": "object"
      -              }
      -            ]
      -          },
      -          "model_or_reference": {
      -            "anyOf": [
      -              {
      -                "maxLength": 200,
      -                "type": "string"
      -              },
      -              {
      -                "type": "null"
      -              }
      -            ]
      -          },
      -          "must_match": {
      -            "items": {
      -              "additionalProperties": false,
      -              "properties": {
      -                "attribute": {
      -                  "maxLength": 100,
      -                  "minLength": 1,
      -                  "type": "string"
      -                },
      -                "expected": {
      -                  "maxLength": 100,
      -                  "minLength": 1,
      -                  "type": "string"
      -                }
      -              },
      -              "required": [
      -                "attribute",
      -                "expected"
      -              ],
      -              "type": "object"
      -            },
      -            "maxItems": 5,
      -            "type": "array"
      -          },
      -          "product_name": {
      -            "maxLength": 200,
      -            "minLength": 1,
      -            "type": "string"
      -          },
      -          "quantity": {
      -            "exclusiveMinimum": 0,
      -            "type": "integer"
      -          },
      -          "substitution_allowed": {
      -            "type": "boolean"
      -          },
      -          "unit": {
      -            "maxLength": 32,
      -            "minLength": 1,
      -            "type": "string"
      -          }
      -        },
      -        "required": [
      -          "input",
      -          "quantity",
      -          "unit",
      -          "must_match",
      -          "product_name",
      -          "model_or_reference",
      -          "substitution_allowed"
      -        ],
      -        "type": "object"
      -      },
      -      "draft_digest": {
      -        "pattern": "^[0-9a-f]{64}$",
      -        "type": "string"
      -      },
      -      "intent_id": {
      -        "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "intent_id",
      -      "draft_digest",
      -      "customer_confirmed_digest",
      -      "confirmed_at",
      -      "draft"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "confirmation": {
      -        "anyOf": [
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "acknowledgement": {
      -                "maxLength": 512,
      -                "minLength": 1,
      -                "type": "string"
      -              },
      -              "mode": {
      -                "const": "HUMAN",
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "mode",
      -              "acknowledgement"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "delegated_authority": {
      -                "additionalProperties": false,
      -                "properties": {
      -                  "agent_id": {
      -                    "pattern": "^0x[0-9a-fA-F]{40}$",
      -                    "type": "string"
      -                  },
      -                  "authority_digest": {
      -                    "pattern": "^[0-9a-f]{64}$",
      -                    "type": "string"
      -                  },
      -                  "delegation_id": {
      -                    "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      -                    "type": "string"
      -                  },
      -                  "draft_digest": {
      -                    "pattern": "^[0-9a-f]{64}$",
      -                    "type": "string"
      -                  },
      -                  "expires_at": {
      -                    "format": "date-time",
      -                    "type": "string"
      -                  },
      -                  "input_digest": {
      -                    "pattern": "^[0-9a-f]{64}$",
      -                    "type": "string"
      -                  },
      -                  "input_version": {
      -                    "exclusiveMinimum": 0,
      -                    "type": "integer"
      -                  },
      -                  "intent_id": {
      -                    "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      -                    "type": "string"
      -                  },
      -                  "issued_at": {
      -                    "format": "date-time",
      -                    "type": "string"
      -                  },
      -                  "issuer_address": {
      -                    "pattern": "^0x[0-9a-fA-F]{40}$",
      -                    "type": "string"
      -                  },
      -                  "issuer_signature": {
      -                    "pattern": "^0x[0-9a-fA-F]{130}$",
      -                    "type": "string"
      -                  },
      -                  "principal_id": {
      -                    "pattern": "^0x[0-9a-fA-F]{40}$",
      -                    "type": "string"
      -                  },
      -                  "schema_version": {
      -                    "const": "csc.delegated-confirmation-authority.v1",
      -                    "type": "string"
      -                  },
      -                  "scope": {
      -                    "const": "CONFIRM_CHINA_SUPPLY_CHECK",
      -                    "type": "string"
      -                  }
      -                },
      -                "required": [
      -                  "schema_version",
      -                  "delegation_id",
      -                  "agent_id",
      -                  "principal_id",
      -                  "issuer_address",
      -                  "intent_id",
      -                  "scope",
      -                  "input_version",
      -                  "input_digest",
      -                  "draft_digest",
      -                  "issued_at",
      -                  "expires_at",
      -                  "authority_digest",
      -                  "issuer_signature"
      -                ],
      -                "type": "object"
      -              },
      -              "mode": {
      -                "const": "DELEGATED_AGENT",
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "mode",
      -              "delegated_authority"
      -            ],
      -            "type": "object"
      -          }
      -        ]
      -      },
      -      "confirmed_at": {
      -        "$ref": "#/properties/purchase/anyOf/0/properties/confirmed_at"
      -      },
      -      "customer_confirmed_digest": {
      -        "$ref": "#/properties/purchase/anyOf/0/properties/customer_confirmed_digest"
      -      },
      -      "draft": {
      -        "additionalProperties": false,
      -        "properties": {
      -          "buyer_stated": {
      -            "additionalProperties": false,
      -            "properties": {
      -              "destination": {
      -                "anyOf": [
      -                  {
      -                    "maxLength": 100,
      -                    "minLength": 1,
      -                    "type": "string"
      -                  },
      -                  {
      -                    "type": "null"
      -                  }
      -                ]
      -              },
      -              "must_match": {
      -                "items": {
      -                  "additionalProperties": false,
      -                  "properties": {
      -                    "attribute": {
      -                      "maxLength": 100,
      -                      "minLength": 1,
      -                      "type": "string"
      -                    },
      -                    "expected": {
      -                      "maxLength": 100,
      -                      "minLength": 1,
      -                      "type": "string"
      -                    },
      -                    "provenance": {
      -                      "const": "BUYER_STATED",
      -                      "type": "string"
      -                    }
      -                  },
      -                  "required": [
      -                    "attribute",
      -                    "expected",
      -                    "provenance"
      -                  ],
      -                  "type": "object"
      -                },
      -                "maxItems": 5,
      -                "type": "array"
      -              },
      -              "provenance": {
      -                "const": "BUYER_STATED",
      -                "type": "string"
      -              },
      -              "quantity": {
      -                "exclusiveMinimum": 0,
      -                "type": "integer"
      -              },
      -              "substitution_policy": {
      -                "enum": [
      -                  "EXACT_ONLY",
      -                  "SIMILAR_IF_MUST_MATCH"
      -                ],
      -                "type": "string"
      -              },
      -              "unit": {
      -                "maxLength": 32,
      -                "minLength": 1,
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "provenance",
      -              "quantity",
      -              "unit",
      -              "must_match",
      -              "substitution_policy",
      -              "destination"
      -            ],
      -            "type": "object"
      -          },
      -          "customer_chinese_required": {
      -            "const": false,
      -            "type": "boolean"
      -          },
      -          "derived": {
      -            "additionalProperties": false,
      -            "properties": {
      -              "confidence": {
      -                "anyOf": [
      -                  {
      -                    "maximum": 1,
      -                    "minimum": 0,
      -                    "type": "number"
      -                  },
      -                  {
      -                    "type": "null"
      -                  }
      -                ]
      -              },
      -              "hard_requirement": {
      -                "const": false,
      -                "type": "boolean"
      -              },
      -              "product_family": {
      -                "anyOf": [
      -                  {
      -                    "maxLength": 200,
      -                    "minLength": 1,
      -                    "type": "string"
      -                  },
      -                  {
      -                    "type": "null"
      -                  }
      -                ]
      -              },
      -              "product_title": {
      -                "anyOf": [
      -                  {
      -                    "maxLength": 200,
      -                    "minLength": 1,
      -                    "type": "string"
      -                  },
      -                  {
      -                    "type": "null"
      -                  }
      -                ]
      -              },
      -              "provenance": {
      -                "const": "DERIVED",
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "provenance",
      -              "product_title",
      -              "product_family",
      -              "confidence",
      -              "hard_requirement"
      -            ],
      -            "type": "object"
      -          },
      -          "draft_digest": {
      -            "pattern": "^[0-9a-f]{64}$",
      -            "type": "string"
      -          },
      -          "input_digest": {
      -            "pattern": "^[0-9a-f]{64}$",
      -            "type": "string"
      -          },
      -          "input_version": {
      -            "exclusiveMinimum": 0,
      -            "type": "integer"
      -          },
      -          "payment_effects": {
      -            "const": 0,
      -            "type": "number"
      -          },
      -          "price_version": {
      -            "const": "csc-agent-usdc-base-v1-299",
      -            "type": "string"
      -          },
      -          "product_id": {
      -            "const": "china_supply_check_v0",
      -            "type": "string"
      -          },
      -          "provider_effects": {
      -            "const": 0,
      -            "type": "number"
      -          },
      -          "reference_image": {
      -            "additionalProperties": false,
      -            "properties": {
      -              "bytes": {
      -                "exclusiveMinimum": 0,
      -                "type": "integer"
      -              },
      -              "digest": {
      -                "pattern": "^[0-9a-f]{64}$",
      -                "type": "string"
      -              },
      -              "height": {
      -                "exclusiveMinimum": 0,
      -                "type": "integer"
      -              },
      -              "identity_claim": {
      -                "const": "REFERENCE_BYTES_ONLY_NOT_PRODUCT_IDENTITY",
      -                "type": "string"
      -              },
      -              "mime": {
      -                "const": "image/png",
      -                "type": "string"
      -              },
      -              "provenance": {
      -                "const": "SOURCE_OBSERVED",
      -                "type": "string"
      -              },
      -              "width": {
      -                "exclusiveMinimum": 0,
      -                "type": "integer"
      -              }
      -            },
      -            "required": [
      -              "provenance",
      -              "digest",
      -              "mime",
      -              "width",
      -              "height",
      -              "bytes",
      -              "identity_claim"
      -            ],
      -            "type": "object"
      -          },
      -          "requires_confirmation": {
      -            "const": true,
      -            "type": "boolean"
      -          },
      -          "schema_version": {
      -            "const": "csc.image-first.prepare.v1",
      -            "type": "string"
      -          },
      -          "unknown": {
      -            "additionalProperties": false,
      -            "properties": {
      -              "blocks_confirmation": {
      -                "const": false,
      -                "type": "boolean"
      -              },
      -              "fields": {
      -                "items": {
      -                  "enum": [
      -                    "product_title",
      -                    "product_family",
      -                    "destination"
      -                  ],
      -                  "type": "string"
      -                },
      -                "type": "array"
      -              },
      -              "provenance": {
      -                "const": "UNKNOWN",
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "provenance",
      -              "fields",
      -              "blocks_confirmation"
      -            ],
      -            "type": "object"
      -          }
      -        },
      -        "required": [
      -          "schema_version",
      -          "product_id",
      -          "price_version",
      -          "input_version",
      -          "input_digest",
      -          "reference_image",
      -          "buyer_stated",
      -          "derived",
      -          "unknown",
      -          "customer_chinese_required",
      -          "requires_confirmation",
      -          "payment_effects",
      -          "provider_effects",
      -          "draft_digest"
      -        ],
      -        "type": "object"
      -      },
      -      "draft_digest": {
      -        "$ref": "#/properties/purchase/anyOf/0/properties/draft_digest"
      -      },
      -      "image_base64": {
      -        "maxLength": 27962028,
      -        "minLength": 1,
      -        "type": "string"
      -      },
      -      "intent_id": {
      -        "$ref": "#/properties/purchase/anyOf/0/properties/intent_id"
      -      }
      -    },
      -    "required": [
      -      "intent_id",
      -      "draft_digest",
      -      "customer_confirmed_digest",
      -      "confirmed_at",
      -      "draft",
      -      "confirmation"
      -    ],
      -    "type": "object"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "confirmed_at": {
      +        "format": "date-time",
      +        "type": "string"
      +      },
      +      "customer_confirmed_digest": {
      +        "pattern": "^[0-9a-f]{64}$",
      +        "type": "string"
      +      },
      +      "draft": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "input": {
      +            "anyOf": [
      +              {
      +                "additionalProperties": false,
      +                "properties": {
      +                  "text": {
      +                    "type": "string"
      +                  }
      +                },
      +                "required": [
      +                  "text"
      +                ],
      +                "type": "object"
      +              },
      +              {
      +                "additionalProperties": false,
      +                "properties": {
      +                  "model": {
      +                    "type": "string"
      +                  }
      +                },
      +                "required": [
      +                  "model"
      +                ],
      +                "type": "object"
      +              }
      +            ]
      +          },
      +          "model_or_reference": {
      +            "anyOf": [
      +              {
      +                "maxLength": 200,
      +                "type": "string"
      +              },
      +              {
      +                "type": "null"
      +              }
      +            ]
      +          },
      +          "must_match": {
      +            "items": {
      +              "additionalProperties": false,
      +              "properties": {
      +                "attribute": {
      +                  "maxLength": 100,
      +                  "minLength": 1,
      +                  "type": "string"
      +                },
      +                "expected": {
      +                  "maxLength": 100,
      +                  "minLength": 1,
      +                  "type": "string"
      +                }
      +              },
      +              "required": [
      +                "attribute",
      +                "expected"
      +              ],
      +              "type": "object"
      +            },
      +            "maxItems": 5,
      +            "type": "array"
      +          },
      +          "product_name": {
      +            "maxLength": 200,
      +            "minLength": 1,
      +            "type": "string"
      +          },
      +          "quantity": {
      +            "exclusiveMinimum": 0,
      +            "type": "integer"
      +          },
      +          "substitution_allowed": {
      +            "type": "boolean"
      +          },
      +          "unit": {
      +            "maxLength": 32,
      +            "minLength": 1,
      +            "type": "string"
      +          }
      +        },
      +        "required": [
      +          "input",
      +          "quantity",
      +          "unit",
      +          "must_match",
      +          "product_name",
      +          "model_or_reference",
      +          "substitution_allowed"
      +        ],
      +        "type": "object"
      +      },
      +      "draft_digest": {
      +        "pattern": "^[0-9a-f]{64}$",
      +        "type": "string"
      +      },
      +      "intent_id": {
      +        "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "intent_id",
      +      "draft_digest",
      +      "customer_confirmed_digest",
      +      "confirmed_at",
      +      "draft"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "confirmation": {
      +        "anyOf": [
      +          {
      +            "additionalProperties": false,
      +            "properties": {
      +              "acknowledgement": {
      +                "maxLength": 512,
      +                "minLength": 1,
      +                "type": "string"
      +              },
      +              "mode": {
      +                "const": "HUMAN",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "mode",
      +              "acknowledgement"
      +            ],
      +            "type": "object"
      +          },
      +          {
      +            "additionalProperties": false,
      +            "properties": {
      +              "delegated_authority": {
      +                "additionalProperties": false,
      +                "properties": {
      +                  "agent_id": {
      +                    "pattern": "^0x[0-9a-fA-F]{40}$",
      +                    "type": "string"
      +                  },
      +                  "authority_digest": {
      +                    "pattern": "^[0-9a-f]{64}$",
      +                    "type": "string"
      +                  },
      +                  "delegation_id": {
      +                    "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      +                    "type": "string"
      +                  },
      +                  "draft_digest": {
      +                    "pattern": "^[0-9a-f]{64}$",
      +                    "type": "string"
      +                  },
      +                  "expires_at": {
      +                    "format": "date-time",
      +                    "type": "string"
      +                  },
      +                  "input_digest": {
      +                    "pattern": "^[0-9a-f]{64}$",
      +                    "type": "string"
      +                  },
      +                  "input_version": {
      +                    "exclusiveMinimum": 0,
      +                    "type": "integer"
      +                  },
      +                  "intent_id": {
      +                    "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      +                    "type": "string"
      +                  },
      +                  "issued_at": {
      +                    "format": "date-time",
      +                    "type": "string"
      +                  },
      +                  "issuer_address": {
      +                    "pattern": "^0x[0-9a-fA-F]{40}$",
      +                    "type": "string"
      +                  },
      +                  "issuer_signature": {
      +                    "pattern": "^0x[0-9a-fA-F]{130}$",
      +                    "type": "string"
      +                  },
      +                  "principal_id": {
      +                    "pattern": "^0x[0-9a-fA-F]{40}$",
      +                    "type": "string"
      +                  },
      +                  "schema_version": {
      +                    "const": "csc.delegated-confirmation-authority.v1",
      +                    "type": "string"
      +                  },
      +                  "scope": {
      +                    "const": "CONFIRM_CHINA_SUPPLY_CHECK",
      +                    "type": "string"
      +                  }
      +                },
      +                "required": [
      +                  "schema_version",
      +                  "delegation_id",
      +                  "agent_id",
      +                  "principal_id",
      +                  "issuer_address",
      +                  "intent_id",
      +                  "scope",
      +                  "input_version",
      +                  "input_digest",
      +                  "draft_digest",
      +                  "issued_at",
      +                  "expires_at",
      +                  "authority_digest",
      +                  "issuer_signature"
      +                ],
      +                "type": "object"
      +              },
      +              "mode": {
      +                "const": "DELEGATED_AGENT",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "mode",
      +              "delegated_authority"
      +            ],
      +            "type": "object"
      +          }
      +        ]
      +      },
      +      "confirmed_at": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/confirmed_at"
      +      },
      +      "customer_confirmed_digest": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/customer_confirmed_digest"
      +      },
      +      "draft": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "buyer_stated": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "destination": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 100,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "must_match": {
      +                "items": {
      +                  "additionalProperties": false,
      +                  "properties": {
      +                    "attribute": {
      +                      "maxLength": 100,
      +                      "minLength": 1,
      +                      "type": "string"
      +                    },
      +                    "expected": {
      +                      "maxLength": 100,
      +                      "minLength": 1,
      +                      "type": "string"
      +                    },
      +                    "provenance": {
      +                      "const": "BUYER_STATED",
      +                      "type": "string"
      +                    }
      +                  },
      +                  "required": [
      +                    "attribute",
      +                    "expected",
      +                    "provenance"
      +                  ],
      +                  "type": "object"
      +                },
      +                "maxItems": 5,
      +                "type": "array"
      +              },
      +              "provenance": {
      +                "const": "BUYER_STATED",
      +                "type": "string"
      +              },
      +              "quantity": {
      +                "anyOf": [
      +                  {
      +                    "exclusiveMinimum": 0,
      +                    "type": "integer"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "substitution_policy": {
      +                "enum": [
      +                  "EXACT_ONLY",
      +                  "SIMILAR_IF_MUST_MATCH"
      +                ],
      +                "type": "string"
      +              },
      +              "unit": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 32,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "quantity",
      +              "unit",
      +              "must_match",
      +              "substitution_policy",
      +              "destination"
      +            ],
      +            "type": "object"
      +          },
      +          "customer_chinese_required": {
      +            "const": false,
      +            "type": "boolean"
      +          },
      +          "derived": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "confidence": {
      +                "anyOf": [
      +                  {
      +                    "maximum": 1,
      +                    "minimum": 0,
      +                    "type": "number"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "hard_requirement": {
      +                "const": false,
      +                "type": "boolean"
      +              },
      +              "product_family": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 200,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "product_title": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 200,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "provenance": {
      +                "const": "DERIVED",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "product_title",
      +              "product_family",
      +              "confidence",
      +              "hard_requirement"
      +            ],
      +            "type": "object"
      +          },
      +          "draft_digest": {
      +            "pattern": "^[0-9a-f]{64}$",
      +            "type": "string"
      +          },
      +          "input_digest": {
      +            "pattern": "^[0-9a-f]{64}$",
      +            "type": "string"
      +          },
      +          "input_version": {
      +            "exclusiveMinimum": 0,
      +            "type": "integer"
      +          },
      +          "payment_effects": {
      +            "const": 0,
      +            "type": "number"
      +          },
      +          "price_version": {
      +            "const": "csc-agent-usdc-base-v1-299",
      +            "type": "string"
      +          },
      +          "product_id": {
      +            "const": "china_supply_check_v0",
      +            "type": "string"
      +          },
      +          "provider_effects": {
      +            "const": 0,
      +            "type": "number"
      +          },
      +          "reference_image": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "bytes": {
      +                "exclusiveMinimum": 0,
      +                "type": "integer"
      +              },
      +              "digest": {
      +                "pattern": "^[0-9a-f]{64}$",
      +                "type": "string"
      +              },
      +              "height": {
      +                "exclusiveMinimum": 0,
      +                "type": "integer"
      +              },
      +              "identity_claim": {
      +                "const": "REFERENCE_BYTES_ONLY_NOT_PRODUCT_IDENTITY",
      +                "type": "string"
      +              },
      +              "mime": {
      +                "const": "image/png",
      +                "type": "string"
      +              },
      +              "provenance": {
      +                "const": "SOURCE_OBSERVED",
      +                "type": "string"
      +              },
      +              "width": {
      +                "exclusiveMinimum": 0,
      +                "type": "integer"
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "digest",
      +              "mime",
      +              "width",
      +              "height",
      +              "bytes",
      +              "identity_claim"
      +            ],
      +            "type": "object"
      +          },
      +          "requires_confirmation": {
      +            "const": true,
      +            "type": "boolean"
      +          },
      +          "schema_version": {
      +            "const": "csc.image-first.prepare.v1",
      +            "type": "string"
      +          },
      +          "unknown": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "blocks_confirmation": {
      +                "const": false,
      +                "type": "boolean"
      +              },
      +              "fields": {
      +                "items": {
      +                  "enum": [
      +                    "product_title",
      +                    "product_family",
      +                    "destination",
      +                    "quantity",
      +                    "unit"
      +                  ],
      +                  "type": "string"
      +                },
      +                "type": "array"
      +              },
      +              "provenance": {
      +                "const": "UNKNOWN",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "fields",
      +              "blocks_confirmation"
      +            ],
      +            "type": "object"
      +          }
      +        },
      +        "required": [
      +          "schema_version",
      +          "product_id",
      +          "price_version",
      +          "input_version",
      +          "input_digest",
      +          "reference_image",
      +          "buyer_stated",
      +          "derived",
      +          "unknown",
      +          "customer_chinese_required",
      +          "requires_confirmation",
      +          "payment_effects",
      +          "provider_effects",
      +          "draft_digest"
      +        ],
      +        "type": "object"
      +      },
      +      "draft_digest": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/draft_digest"
      +      },
      +      "image_base64": {
      +        "maxLength": 27962028,
      +        "minLength": 1,
      +        "type": "string"
      +      },
      +      "intent_id": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/intent_id"
      +      }
      +    },
      +    "required": [
      +      "intent_id",
      +      "draft_digest",
      +      "customer_confirmed_digest",
      +      "confirmed_at",
      +      "draft",
      +      "confirmation"
      +    ],
      +    "type": "object"
      +  }
      +]
  3. Changed2 schema fields changed
    • addedInput schema / properties / purchase / anyOf
      Added value: +[
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "confirmed_at": {
      +        "format": "date-time",
      +        "type": "string"
      +      },
      +      "customer_confirmed_digest": {
      +        "pattern": "^[0-9a-f]{64}$",
      +        "type": "string"
      +      },
      +      "draft": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "input": {
      +            "anyOf": [
      +              {
      +                "additionalProperties": false,
      +                "properties": {
      +                  "text": {
      +                    "type": "string"
      +                  }
      +                },
      +                "required": [
      +                  "text"
      +                ],
      +                "type": "object"
      +              },
      +              {
      +                "additionalProperties": false,
      +                "properties": {
      +                  "model": {
      +                    "type": "string"
      +                  }
      +                },
      +                "required": [
      +                  "model"
      +                ],
      +                "type": "object"
      +              }
      +            ]
      +          },
      +          "model_or_reference": {
      +            "anyOf": [
      +              {
      +                "maxLength": 200,
      +                "type": "string"
      +              },
      +              {
      +                "type": "null"
      +              }
      +            ]
      +          },
      +          "must_match": {
      +            "items": {
      +              "additionalProperties": false,
      +              "properties": {
      +                "attribute": {
      +                  "maxLength": 100,
      +                  "minLength": 1,
      +                  "type": "string"
      +                },
      +                "expected": {
      +                  "maxLength": 100,
      +                  "minLength": 1,
      +                  "type": "string"
      +                }
      +              },
      +              "required": [
      +                "attribute",
      +                "expected"
      +              ],
      +              "type": "object"
      +            },
      +            "maxItems": 5,
      +            "type": "array"
      +          },
      +          "product_name": {
      +            "maxLength": 200,
      +            "minLength": 1,
      +            "type": "string"
      +          },
      +          "quantity": {
      +            "exclusiveMinimum": 0,
      +            "type": "integer"
      +          },
      +          "substitution_allowed": {
      +            "type": "boolean"
      +          },
      +          "unit": {
      +            "maxLength": 32,
      +            "minLength": 1,
      +            "type": "string"
      +          }
      +        },
      +        "required": [
      +          "input",
      +          "quantity",
      +          "unit",
      +          "must_match",
      +          "product_name",
      +          "model_or_reference",
      +          "substitution_allowed"
      +        ],
      +        "type": "object"
      +      },
      +      "draft_digest": {
      +        "pattern": "^[0-9a-f]{64}$",
      +        "type": "string"
      +      },
      +      "intent_id": {
      +        "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "intent_id",
      +      "draft_digest",
      +      "customer_confirmed_digest",
      +      "confirmed_at",
      +      "draft"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "confirmation": {
      +        "anyOf": [
      +          {
      +            "additionalProperties": false,
      +            "properties": {
      +              "acknowledgement": {
      +                "maxLength": 512,
      +                "minLength": 1,
      +                "type": "string"
      +              },
      +              "mode": {
      +                "const": "HUMAN",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "mode",
      +              "acknowledgement"
      +            ],
      +            "type": "object"
      +          },
      +          {
      +            "additionalProperties": false,
      +            "properties": {
      +              "delegated_authority": {
      +                "additionalProperties": false,
      +                "properties": {
      +                  "agent_id": {
      +                    "pattern": "^0x[0-9a-fA-F]{40}$",
      +                    "type": "string"
      +                  },
      +                  "authority_digest": {
      +                    "pattern": "^[0-9a-f]{64}$",
      +                    "type": "string"
      +                  },
      +                  "delegation_id": {
      +                    "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      +                    "type": "string"
      +                  },
      +                  "draft_digest": {
      +                    "pattern": "^[0-9a-f]{64}$",
      +                    "type": "string"
      +                  },
      +                  "expires_at": {
      +                    "format": "date-time",
      +                    "type": "string"
      +                  },
      +                  "input_digest": {
      +                    "pattern": "^[0-9a-f]{64}$",
      +                    "type": "string"
      +                  },
      +                  "input_version": {
      +                    "exclusiveMinimum": 0,
      +                    "type": "integer"
      +                  },
      +                  "intent_id": {
      +                    "pattern": "^[A-Za-z0-9._:-]{1,128}$",
      +                    "type": "string"
      +                  },
      +                  "issued_at": {
      +                    "format": "date-time",
      +                    "type": "string"
      +                  },
      +                  "issuer_address": {
      +                    "pattern": "^0x[0-9a-fA-F]{40}$",
      +                    "type": "string"
      +                  },
      +                  "issuer_signature": {
      +                    "pattern": "^0x[0-9a-fA-F]{130}$",
      +                    "type": "string"
      +                  },
      +                  "principal_id": {
      +                    "pattern": "^0x[0-9a-fA-F]{40}$",
      +                    "type": "string"
      +                  },
      +                  "schema_version": {
      +                    "const": "csc.delegated-confirmation-authority.v1",
      +                    "type": "string"
      +                  },
      +                  "scope": {
      +                    "const": "CONFIRM_CHINA_SUPPLY_CHECK",
      +                    "type": "string"
      +                  }
      +                },
      +                "required": [
      +                  "schema_version",
      +                  "delegation_id",
      +                  "agent_id",
      +                  "principal_id",
      +                  "issuer_address",
      +                  "intent_id",
      +                  "scope",
      +                  "input_version",
      +                  "input_digest",
      +                  "draft_digest",
      +                  "issued_at",
      +                  "expires_at",
      +                  "authority_digest",
      +                  "issuer_signature"
      +                ],
      +                "type": "object"
      +              },
      +              "mode": {
      +                "const": "DELEGATED_AGENT",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "mode",
      +              "delegated_authority"
      +            ],
      +            "type": "object"
      +          }
      +        ]
      +      },
      +      "confirmed_at": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/confirmed_at"
      +      },
      +      "customer_confirmed_digest": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/customer_confirmed_digest"
      +      },
      +      "draft": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "buyer_stated": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "destination": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 100,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "must_match": {
      +                "items": {
      +                  "additionalProperties": false,
      +                  "properties": {
      +                    "attribute": {
      +                      "maxLength": 100,
      +                      "minLength": 1,
      +                      "type": "string"
      +                    },
      +                    "expected": {
      +                      "maxLength": 100,
      +                      "minLength": 1,
      +                      "type": "string"
      +                    },
      +                    "provenance": {
      +                      "const": "BUYER_STATED",
      +                      "type": "string"
      +                    }
      +                  },
      +                  "required": [
      +                    "attribute",
      +                    "expected",
      +                    "provenance"
      +                  ],
      +                  "type": "object"
      +                },
      +                "maxItems": 5,
      +                "type": "array"
      +              },
      +              "provenance": {
      +                "const": "BUYER_STATED",
      +                "type": "string"
      +              },
      +              "quantity": {
      +                "exclusiveMinimum": 0,
      +                "type": "integer"
      +              },
      +              "substitution_policy": {
      +                "enum": [
      +                  "EXACT_ONLY",
      +                  "SIMILAR_IF_MUST_MATCH"
      +                ],
      +                "type": "string"
      +              },
      +              "unit": {
      +                "maxLength": 32,
      +                "minLength": 1,
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "quantity",
      +              "unit",
      +              "must_match",
      +              "substitution_policy",
      +              "destination"
      +            ],
      +            "type": "object"
      +          },
      +          "customer_chinese_required": {
      +            "const": false,
      +            "type": "boolean"
      +          },
      +          "derived": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "confidence": {
      +                "anyOf": [
      +                  {
      +                    "maximum": 1,
      +                    "minimum": 0,
      +                    "type": "number"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "hard_requirement": {
      +                "const": false,
      +                "type": "boolean"
      +              },
      +              "product_family": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 200,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "product_title": {
      +                "anyOf": [
      +                  {
      +                    "maxLength": 200,
      +                    "minLength": 1,
      +                    "type": "string"
      +                  },
      +                  {
      +                    "type": "null"
      +                  }
      +                ]
      +              },
      +              "provenance": {
      +                "const": "DERIVED",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "product_title",
      +              "product_family",
      +              "confidence",
      +              "hard_requirement"
      +            ],
      +            "type": "object"
      +          },
      +          "draft_digest": {
      +            "pattern": "^[0-9a-f]{64}$",
      +            "type": "string"
      +          },
      +          "input_digest": {
      +            "pattern": "^[0-9a-f]{64}$",
      +            "type": "string"
      +          },
      +          "input_version": {
      +            "exclusiveMinimum": 0,
      +            "type": "integer"
      +          },
      +          "payment_effects": {
      +            "const": 0,
      +            "type": "number"
      +          },
      +          "price_version": {
      +            "const": "csc-agent-usdc-base-v1-299",
      +            "type": "string"
      +          },
      +          "product_id": {
      +            "const": "china_supply_check_v0",
      +            "type": "string"
      +          },
      +          "provider_effects": {
      +            "const": 0,
      +            "type": "number"
      +          },
      +          "reference_image": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "bytes": {
      +                "exclusiveMinimum": 0,
      +                "type": "integer"
      +              },
      +              "digest": {
      +                "pattern": "^[0-9a-f]{64}$",
      +                "type": "string"
      +              },
      +              "height": {
      +                "exclusiveMinimum": 0,
      +                "type": "integer"
      +              },
      +              "identity_claim": {
      +                "const": "REFERENCE_BYTES_ONLY_NOT_PRODUCT_IDENTITY",
      +                "type": "string"
      +              },
      +              "mime": {
      +                "const": "image/png",
      +                "type": "string"
      +              },
      +              "provenance": {
      +                "const": "SOURCE_OBSERVED",
      +                "type": "string"
      +              },
      +              "width": {
      +                "exclusiveMinimum": 0,
      +                "type": "integer"
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "digest",
      +              "mime",
      +              "width",
      +              "height",
      +              "bytes",
      +              "identity_claim"
      +            ],
      +            "type": "object"
      +          },
      +          "requires_confirmation": {
      +            "const": true,
      +            "type": "boolean"
      +          },
      +          "schema_version": {
      +            "const": "csc.image-first.prepare.v1",
      +            "type": "string"
      +          },
      +          "unknown": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "blocks_confirmation": {
      +                "const": false,
      +                "type": "boolean"
      +              },
      +              "fields": {
      +                "items": {
      +                  "enum": [
      +                    "product_title",
      +                    "product_family",
      +                    "destination"
      +                  ],
      +                  "type": "string"
      +                },
      +                "type": "array"
      +              },
      +              "provenance": {
      +                "const": "UNKNOWN",
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "provenance",
      +              "fields",
      +              "blocks_confirmation"
      +            ],
      +            "type": "object"
      +          }
      +        },
      +        "required": [
      +          "schema_version",
      +          "product_id",
      +          "price_version",
      +          "input_version",
      +          "input_digest",
      +          "reference_image",
      +          "buyer_stated",
      +          "derived",
      +          "unknown",
      +          "customer_chinese_required",
      +          "requires_confirmation",
      +          "payment_effects",
      +          "provider_effects",
      +          "draft_digest"
      +        ],
      +        "type": "object"
      +      },
      +      "draft_digest": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/draft_digest"
      +      },
      +      "image_base64": {
      +        "maxLength": 27962028,
      +        "minLength": 1,
      +        "type": "string"
      +      },
      +      "intent_id": {
      +        "$ref": "#/properties/purchase/anyOf/0/properties/intent_id"
      +      }
      +    },
      +    "required": [
      +      "intent_id",
      +      "draft_digest",
      +      "customer_confirmed_digest",
      +      "confirmed_at",
      +      "draft",
      +      "confirmation"
      +    ],
      +    "type": "object"
      +  }
      +]
    • addedInput schema / required
      Added value: +[
      +  "purchase"
      +]
  4. Added

TDQS

B3.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare a write/destructive/open-world operation, and the description adds real substance beyond them: signed wallet invocation is required, independent image delegation is required, the handoff happens only after durable settlement, and Provider is never run synchronously. It also discloses the charge amount and the no-double-pay rule. The description is consistent with the destructive/write annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The core action and price are front-loaded, but the paragraph is dense and mixes critical rules with tangential details (Stripe URL, legacy text/model Stripe being OFF). Some sentences earn their place, others read as configuration notes.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a payment tool with no output schema and an extremely complex nested input at 0% coverage, the description covers behavior well but omits how the agent should obtain/construct the purchase payload. It never points to prepare_china_supply_check_v0 as the source of the confirmed brief, leaving a critical gap for correct invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There is a single deeply nested purchase parameter with 0% schema description coverage, and the description explains none of its internal structure (intent_id, draft_digest, customer_confirmed_digest, confirmation/delegated_authority, image_base64, source_receipt). Phrases like "the exact confirmed brief" only vaguely hint at the payload, so the description does not compensate for the coverage gap.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a concrete verb+resource: buy the exact confirmed brief for 2.99 USDC on Base. The payment action and price are unambiguous, though the jargon (x402, durable settlement, independent image delegation) partly obscures the plain purpose. It does reference a sibling (discover_china_supply_check_v0) and an existing result, so it is distinguishable from the prepare/run/status family.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides a clear exclusion ("Read the existing result; do not pay again") and routes to a sibling for availability checks (discover_china_supply_check_v0). It also mentions a human card alternative. It does not, however, explicitly position itself against prepare_china_supply_check_v0 or run_china_supply_check_v0, so the when-to-use picture is helpful but not fully closed.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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