API2AI

OpenAPI → MCP Server Generator

Generate production-ready MCP servers with built-in inspector, multiple transports, and ChatGPT Apps SDK support.

bash
# Generate from OpenAPI spec
npx api2ai \
  https://petstore3.swagger.io/api/v3/openapi.json \
  ./petstore-mcp --name petstore-api

cd petstore-mcp && npm install && npm start

mcp-use Framework

Highly useful, convenient, popular, production-ready

Built-in Inspector

Test at /inspector

Multiple Transports

HTTP, SSE support

Auth Support

Tokens & API keys

Zod Schemas

Type-safe validation

Production Ready

Docker & K8s ready

OpenAPI Designer

Visual OpenAPI Specification Builder

Design, build, and validate OpenAPI 3.x specifications with our intuitive visual editor. Perfect for creating API documentation and generating MCP servers.

Visual Editor

Build OpenAPI specs visually with a user-friendly interface. No need to write YAML or JSON by hand.

Real-time Validation

Validate your API specifications in real-time as you build. Catch errors before deployment.

Export & Generate

Export to YAML/JSON and generate MCP servers instantly with the API2AI CLI tool.