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route-to-openapi

Generates RESTful API documentation (OpenAPI 3.0 / Swagger spec) by scanning route definitions in code for Flask, FastAPI, Express, Gin, and other frameworks. Trigger when users ask about API documentation, OpenAPI, Swagger, endpoint docs, generating docs from code, or extracting endpoints.

skills/route-to-openapi/SKILL.md

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# route-to-openapi

Automatically scan route/endpoint definitions in source code and generate RESTful API documentation conforming to the [OpenAPI 3.0.3](https://spec.openapis.org/oas/v3.0.3) specification.

Supports major web frameworks with automatic framework detection. Extracts HTTP methods, paths, parameters, request bodies, response models, and doc comments, then outputs a standard OpenAPI spec file ready to import into Swagger UI or Redoc.

## Quick Start

```bash
# Scan source directory, output OpenAPI spec in JSON format
python scripts/generate_api_doc.py ./src

# Specify output format and file
python scripts/generate_api_doc.py ./src --format yaml --output api-spec.yaml