Generate production-ready MCP servers with built-in inspector, multiple transports, and ChatGPT Apps SDK support.
# 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 startHighly useful, convenient, popular, production-ready
Test at /inspector
HTTP, SSE support
Tokens & API keys
Type-safe validation
Docker & K8s ready

Design, build, and validate OpenAPI 3.x specifications with our intuitive visual editor. Perfect for creating API documentation and generating MCP servers.
Build OpenAPI specs visually with a user-friendly interface. No need to write YAML or JSON by hand.
Validate your API specifications in real-time as you build. Catch errors before deployment.
Export to YAML/JSON and generate MCP servers instantly with the API2AI CLI tool.