api-documentation-generator

Generate API documentation from source code into Markdown and OpenAPI-style specs.

40.9k|5.0k|Updated Nov 7, 2025
One-click install
npx skills add https://github.com/luongnv89/claude-howto --skill api-documentation-generator-luongnv89
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: api-documentation-generator
Source: https://github.com/luongnv89/claude-howto/tree/main/03-skills/doc-generator
Command: npx skills add https://github.com/luongnv89/claude-howto --skill api-documentation-generator-luongnv89

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

Manually writing and maintaining API documentation is a tedious, error-prone, and often outdated process that slows down development and frustrates developers. This Skill automates the generation of accurate, up-to-date API documentation directly from your source code.

Core Features & Use Cases

  • Code-to-Doc Generation: Automatically extracts endpoint details, parameters, and return types from source code.
  • Structured Output: Formats documentation into clear, readable sections with examples for various languages (cURL, JavaScript, Python).
  • Use Case: After developing a new set of API endpoints, simply point this Skill to your source files to generate comprehensive OpenAPI-style documentation, ensuring your API is always well-documented and easy to integrate.

Quick Start

Generate API documentation for the attached Python file 'api_service.py'.

Frequently Asked Questions about api-documentation-generator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automatically generate API documentation from my source code?

API documentation generation extracts endpoint details, parameters, and return types directly from annotated source code, producing structured OpenAPI-style docs with code examples in multiple languages. Point the Skill to your source files after development to create accurate, up-to-date documentation without manual effort.

Can I generate Swagger and OpenAPI specifications from Python or other code?

Yes. This Skill parses annotated docstrings and metadata from source code to generate OpenAPI and Swagger-compliant specifications automatically, eliminating manual specification writing and keeping documentation synchronized with implementation.

What information does the tool extract from code to build API docs?

The Skill extracts endpoint metadata, parameter types and descriptions, return types, and infers structural patterns from docstrings. It then renders Markdown-compliant documentation with code examples in cURL, JavaScript, and Python for RESTful APIs and microservices.

When should I use code-to-doc generation instead of manual documentation?

Use code-to-doc generation when maintaining consistency between implementation and documentation is critical, APIs change frequently, or you need rapid documentation after endpoint development. It prevents outdated or incomplete API references that frustrate integration.

Does this work for microservices with multiple endpoint files?

Yes. The Skill processes multiple source files to extract endpoint metadata across your codebase, generating comprehensive documentation for entire microservice architectures, ensuring all endpoints are discoverable and properly documented.

What's the best way to keep API documentation in sync with code changes?

Automate documentation generation from source code annotations. This Skill regenerates docs directly from updated endpoints and parameters, eliminating manual sync cycles and ensuring documentation always reflects the current API implementation.