What problem does it solve? Setting up a professional documentation site requires coordinating theme configuration, navigation structure, search, SEO, and internationalization across Nextra and Next.js, which is error-prone without a structured reference. ## Core Features & Use Cases - Theme Configuration: Complete theme.config.tsx reference for Nextra 3.x and Layout props patterns for Nextra 4.x with App Router and Turbopack support. - Navigation and MDX Components: _meta.json navigation patterns plus built-in components like Callout, Tabs, Steps, and Cards for interactive documentation. - Search, i18n, and Deployment: FlexSearch integration, multi-language setup, performance optimization, and deployment guides for Vercel, Netlify, and GitHub Pages. - Use Case: Scaffold a multi-language API reference portal with full-text search, versioned navigation, and SEO metadata, then deploy it to Vercel with a single command. ## Quick Start Ask the AI to initialize a Nextra documentation site with a configured theme, sidebar navigation, and search enabled.