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OpenAPI Diff Breach Detector

Compare OpenAPI or GraphQL schemas, flag breaking changes, and generate an impact-oriented change report for API teams

json· JSON resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/openapi-diff-breach-detector' \
  -H 'Content-Type: application/json' \
  -d '{"oldSchema":"openapi: 3.0.0\npaths:\n  /users/{id}:\n    get:\n      responses:\n        \"200\":\n          description: ok\n          content:\n            application/json:\n              schema:\n                type: object\n                properties:\n                  id: { type: string }\n                  email: { type: string }\n","newSchema":"openapi: 3.0.0\npaths:\n  /users/{id}:\n    get:\n      responses:\n        \"200\":\n          description: ok\n          content:\n            application/json:\n              schema:\n                type: object\n                properties:\n                  id: { type: string }\n","schemaType":"openapi","inputFormat":"auto","includeImpactAnalysis":true}'

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API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP
POST https://api.elysiatools.com/en/api/tools/openapi-diff-breach-detector

Parameters

NameTypeRequiredDescription
oldSchematextareaYes—
newSchematextareaYes—
schemaTypeselectNo—
inputFormattextNo—
includeImpactAnalysischeckboxNo—

Response format

JSON result

JSON
{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json
{
  "mcpServers": {
    "elysiatools-openapi-diff-breach-detector": {
      "name": "openapi-diff-breach-detector",
      "description": "Compare OpenAPI or GraphQL schemas, flag breaking changes, and generate an impact-oriented change report for API teams",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=openapi-diff-breach-detector",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "openapi-diff-breach-detector",
    "arguments": {
  "oldSchema": "openapi: 3.0.0\npaths:\n  /users/{id}:\n    get:\n      responses:\n        \"200\":\n          description: ok\n          content:\n            application/json:\n              schema:\n                type: object\n                properties:\n                  id: { type: string }\n                  email: { type: string }\n",
  "newSchema": "openapi: 3.0.0\npaths:\n  /users/{id}:\n    get:\n      responses:\n        \"200\":\n          description: ok\n          content:\n            application/json:\n              schema:\n                type: object\n                properties:\n                  id: { type: string }\n",
  "schemaType": "openapi",
  "inputFormat": "auto",
  "includeImpactAnalysis": true
}
  }
}
Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]

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