ConfigsApr 8, 2026·2 min read

Docusaurus — Build AI Tool Documentation Sites

Meta's documentation framework used by major AI projects. Docusaurus creates fast, SEO-friendly docs sites with MDX, versioning, i18n, and Algolia search built in.

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Quick Use

Use it first, then decide how deep to go

This block should tell both the user and the agent what to copy, install, and apply first.

npx create-docusaurus@latest my-docs classic
cd my-docs
npm start
# Docs site at http://localhost:3000

What is Docusaurus?

Docusaurus is Meta's open-source documentation framework, used by hundreds of AI projects (LangChain, Hugging Face, Supabase, Playwright). It generates fast, SEO-optimized static sites from Markdown/MDX with built-in versioning, i18n, blog, and Algolia search. If you are building an AI tool, MCP server, or SDK, Docusaurus is the standard choice for documentation.

Answer-Ready: Docusaurus is Meta's documentation framework used by LangChain, Hugging Face, and 100+ AI projects. Static site generator from MDX with versioning, i18n, Algolia search, and plugin ecosystem. Fast, SEO-friendly, and free. 58k+ GitHub stars.

Best for: AI tool creators needing professional documentation. Works with: Any project, GitHub Pages, Vercel, Netlify. Setup time: Under 3 minutes.

Core Features

1. MDX (Markdown + React)

# Getting Started

Install the SDK:

```bash
pip install my-ai-tool
```python from my_tool import Agent agent = Agent() ``` ```javascript import { Agent } from 'my-tool'; const agent = new Agent(); ``` ```

2. Versioning

npm run docusaurus docs:version 2.0
# Creates versioned snapshot of current docs
# Users can switch between versions

3. i18n (Internationalization)

// docusaurus.config.js
module.exports = {
  i18n: {
    defaultLocale: 'en',
    locales: ['en', 'zh', 'ja', 'ko'],
  },
};

4. Algolia Search

themeConfig: {
  algolia: {
    appId: 'YOUR_APP_ID',
    apiKey: 'YOUR_SEARCH_KEY',
    indexName: 'your-docs',
  },
},

5. Blog + Docs Combined

my-docs/
  docs/          # Documentation pages
  blog/          # Blog posts
  src/pages/     # Custom pages
  docusaurus.config.js

AI Projects Using Docusaurus

Project Stars
LangChain 100k+
Hugging Face 30k+
Supabase 75k+
Playwright 68k+
Redux 60k+
Jest 44k+

FAQ

Q: How does it compare to MkDocs? A: Docusaurus uses React (MDX), MkDocs uses Python (Jinja2). Docusaurus has better versioning and plugin ecosystem. MkDocs is simpler for Python-only teams.

Q: Is it free to host? A: Yes, deploy to GitHub Pages, Vercel, or Netlify for free.

Q: Can I customize the theme? A: Yes, full theme customization via CSS, React components, and the plugin system.

🙏

Source & Thanks

Created by Meta. Licensed under MIT.

facebook/docusaurus — 58k+ stars

Discussion

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