# DocUp > DocUp is an AI-powered documentation generator that automatically creates, hosts, and updates developer documentation from GitHub repositories. ## What DocUp Does - Connects to a GitHub repository via OAuth - Ingests and analyzes source code files using AI - Generates structured MDX documentation pages using Google Gemini AI - Hosts docs on a custom subdomain (e.g., myproject.docup.dev) - Auto-updates docs when code changes ## Key Pages - Homepage: https://www.docup.dev - Features: https://www.docup.dev/features - Pricing: https://www.docup.dev/pricing - About: https://www.docup.dev/about - Solutions: https://www.docup.dev/solutions ## Use Cases - Auto-generate API documentation from code - Create onboarding guides from repository structure - Host searchable developer docs without manual effort - Keep documentation in sync with codebase changes - Generate and publish documentation in minutes, not days ## How It Works 1. Connect your GitHub repository via OAuth 2. DocUp ingests and analyzes your source code 3. AI generates structured MDX documentation pages 4. Docs are hosted on a custom subdomain instantly 5. Documentation updates automatically when your code changes ## Comparisons - DocUp vs Mintlify: https://www.docup.dev/compare/docup-vs-mintlify - DocUp vs GitBook: https://www.docup.dev/compare/docup-vs-gitbook - DocUp vs Readme.com: https://www.docup.dev/compare/docup-vs-readme ## Full Reference https://www.docup.dev/llms-full.txt ## Sitemap https://www.docup.dev/sitemap.xml