api-documentation-generator

This Skill automates OpenAPI documentation generation by extracting API definitions directly from Node.js source code, producing OpenAPI/Swagger specifications and interactive docs without manual effort.

Yes, API documentation generation works with NestJS and Fastify, alongside other Node.js frameworks like Express.js, Koa, Hapi, and Next.js API Routes, ensuring broad framework compatibility for your specs.

Yes, you can automatically generate client SDKs alongside Swagger specifications; when you deploy a new API version, this Skill updates the OpenAPI documentation and generates fresh client SDKs simultaneously.

Supported output formats when generating API specifications include Markdown, HTML, and Postman Collections, providing flexible distribution options for your interactive API documentation and version management.

The best way to keep API documentation in sync with your codebase is automating extraction directly from source code, ensuring your OpenAPI specifications and interactive docs always match your latest deployments.