Api Testing Mcp

API Testing MCP is a comprehensive MCP server providing 42 tools for API testing directly within any MCP-compatible client such as Claude Code, Cursor, or Claude Desktop. It supports HTTP requests with assertions, multi-step flows with variable extraction, OpenAPI/Swagger import, mock data generation, load testing with percentile metrics, response diffing across environments, collections, and cURL export. The server is local-first with zero cloud dependencies and zero configuration required, storing collections and environments as version-controllable files.