{
  "id": "data.diff",
  "object": "tool",
  "name": "Diff",
  "summary": "Compare two texts or JSON values.",
  "description": "Compares two texts as a unified diff with counts of added and removed lines, or two JSON values structurally, listing added, removed and changed paths (JSON Pointer) with old and new values (up to 500). Auto mode uses JSON when both sides are JSON objects or arrays.",
  "category": "data",
  "hosted_by": "Opentools",
  "runtime": "worker",
  "side_effects": false,
  "status": "live",
  "credits": 0,
  "price": "$0.0000",
  "providers": [
    {
      "id": "opentools",
      "name": "Opentools",
      "price": "$0.0000"
    }
  ],
  "mcp_name": "data_diff",
  "input_schema": {
    "type": "object",
    "properties": {
      "a": {
        "description": "The original: text, or any JSON value"
      },
      "b": {
        "description": "The changed version: text, or any JSON value"
      },
      "a_file": {
        "description": "The original as a file, instead of a",
        "anyOf": [
          {
            "type": "object",
            "properties": {
              "url": {
                "type": "string",
                "format": "uri",
                "description": "Public http(s) URL of the file"
              }
            },
            "required": [
              "url"
            ]
          },
          {
            "type": "object",
            "properties": {
              "file_id": {
                "type": "string",
                "format": "uuid",
                "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
                "description": "An id returned by POST /v1/files"
              }
            },
            "required": [
              "file_id"
            ]
          },
          {
            "type": "object",
            "properties": {
              "base64": {
                "type": "string",
                "description": "Base64-encoded file bytes (up to 10 MB)"
              },
              "name": {
                "type": "string",
                "description": "File name, e.g. invoice.pdf"
              },
              "content_type": {
                "type": "string"
              }
            },
            "required": [
              "base64",
              "name"
            ]
          },
          {
            "type": "object",
            "properties": {
              "connection": {
                "type": "string",
                "minLength": 1,
                "maxLength": 64,
                "description": "A storage connection id or name (see storage.connections)"
              },
              "path": {
                "type": "string",
                "minLength": 1,
                "maxLength": 1024,
                "description": "Path of the file in that connection, e.g. reports/q3.pdf"
              }
            },
            "required": [
              "connection",
              "path"
            ]
          }
        ],
        "x-file": true
      },
      "b_file": {
        "description": "The changed version as a file, instead of b",
        "anyOf": [
          {
            "type": "object",
            "properties": {
              "url": {
                "type": "string",
                "format": "uri",
                "description": "Public http(s) URL of the file"
              }
            },
            "required": [
              "url"
            ]
          },
          {
            "type": "object",
            "properties": {
              "file_id": {
                "type": "string",
                "format": "uuid",
                "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
                "description": "An id returned by POST /v1/files"
              }
            },
            "required": [
              "file_id"
            ]
          },
          {
            "type": "object",
            "properties": {
              "base64": {
                "type": "string",
                "description": "Base64-encoded file bytes (up to 10 MB)"
              },
              "name": {
                "type": "string",
                "description": "File name, e.g. invoice.pdf"
              },
              "content_type": {
                "type": "string"
              }
            },
            "required": [
              "base64",
              "name"
            ]
          },
          {
            "type": "object",
            "properties": {
              "connection": {
                "type": "string",
                "minLength": 1,
                "maxLength": 64,
                "description": "A storage connection id or name (see storage.connections)"
              },
              "path": {
                "type": "string",
                "minLength": 1,
                "maxLength": 1024,
                "description": "Path of the file in that connection, e.g. reports/q3.pdf"
              }
            },
            "required": [
              "connection",
              "path"
            ]
          }
        ],
        "x-file": true
      },
      "mode": {
        "default": "auto",
        "description": "Text diff, structural JSON diff, or pick",
        "type": "string",
        "enum": [
          "auto",
          "text",
          "json"
        ]
      },
      "context": {
        "default": 3,
        "description": "Text mode: unchanged lines around each change",
        "type": "integer",
        "minimum": 0,
        "maximum": 50
      },
      "ignore_whitespace": {
        "default": false,
        "description": "Text mode: ignore whitespace-only changes",
        "type": "boolean"
      }
    }
  },
  "kind": "tool"
}