DocGenius

AI-powered documentation generator for your codebase.

Example Output

The generated documentation will be saved in the output directory. For example:

• Example

Features

• Automatically generates comprehensive documentation for your codebase
• Supports multiple programming languages and frameworks
• Generates both development guides and setup guides
• Supports English and Japanese output
• Uses Google's Gemini 2.5 Pro model for high-quality documentation

Usage

Basic usage:

npx docgenius --apiKey YOUR_API_KEY

Change output directory:

# default ./output
npx docgenius --apiKey YOUR_API_KEY --output ./docgenius-output

With language selection:

# English (default)
npx docgenius --apiKey YOUR_API_KEY

# Japanese
npx docgenius --apiKey YOUR_API_KEY --language ja

Arguments

• apiKey: Your Google GenAI API key
• output: Directory where the generated documentation will be saved
• language: Output language (optional, default: 'en')
  • en: English
  • ja: Japanese

Output

The tool generates two main documents:

1. development.md: Comprehensive development guide

Requirements

• Node.js v20 or later
• Google GenAI API key

Development

Setup

git clone https://github.com/your-username/docgenius.git
cd docgenius
npm install

Starting Development Server

npm run dev --apikey YOUR-API-KEY

Limitations

• Currently only supports Gemini 2.5 Pro model
• Does not support other AI models or versions

Contributing

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

Acknowledgments

• Google GenAI (especially Gemini 2.5 Pro)
• Mermaid.js
• Authors of other dependency libraries

License

MIT