API Documentation Generator

by huangjia2019

API Documentation Generator is a Writing skill for Claude Code, published by huangjia2019 in claude-code-engineering.

1.1K stars379 forkson huangjia2019/claude-code-engineeringAdded 2026/08/21Repository updated 2026/07/23

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Install in seconds

Install API Documentation Generator

Copy API Documentation Generator into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/huangjia2019/claude-code-engineering/tree/main/04-Skills/projects/05-api-generator ~/.claude/skills/05-api-generator

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/huangjia2019/claude-code-engineering.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: 04-Skills/projects/05-api-generator/SKILL.md in huangjia2019/claude-code-engineering
Installs to: ~/.claude/skills/05-api-generator
Collection: One of 13 skills cataloged from this repository
Category: Writing — 1012 skills

What API Documentation Generator does

API Documentation Generator creates endpoint documentation from source code and can also produce OpenAPI/Swagger specs. Use it when you need API docs, endpoint summaries, or route details from an existing codebase.

API Documentation Generator is cataloged under Writing on DirSkills. API Documentation Generator comes from a repository tagged agent, agentic-ai, ai, claude and claude-code.

Documentation

README

Excerpt

API Documentation Generator

Generate comprehensive API documentation from source code.

Quick Reference

Task	Resource
Identify framework	See `PATTERNS.md`
Documentation standards	See `STANDARDS.md`
Example outputs	See `EXAMPLES.md`

Process

Step 1: Identify API Endpoints

Look for route definitions. For framework-specific patterns, see PATTERNS.md.

Step 2: Extract Information

For each endpoint, extract:

HTTP method (GET, POST, PUT, DELETE, etc.)
Path/route
Parameters (path, query, body)
Request/response schemas
Authentication requirements

Step 3: Generate Documentation

Use the template in templates/endpoint.md for each endpoint.

Step 4: Create Overview

Generate an index using templates/index.md.

This is the opening of the README. Read the full README on GitHub.

Frequently asked about API Documentation Generator

What else does huangjia2019 publish alongside API Documentation Generator?
API Documentation Generator is one of 13 skills that DirSkills catalogs from huangjia2019/claude-code-engineering, the repository it ships in. Its siblings there include API Conventions, API Documentation and API Documentation Generator. Each one is a separate skill with its own page in this directory, installs the same way API Documentation Generator does, and is maintained by huangjia2019 in that same repository. The rest of the collection is listed on the huangjia2019/claude-code-engineering page.
How does API Documentation Generator compare to other Writing skills?
API Documentation Generator ranks #424 by stars among the 1012 Writing skills in this catalog. The most-starred ones next to it are Article Writing, Social Media Content Calendar and Knowledge Comic Creator. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of API Documentation Generator against them. Open each page to compare what they document and how they install.