Markdown-first
Write documentation in familiar Markdown or MDX with typed frontmatter.
Open-source documentation foundation
Documentation for humans.
Structured for AI.
RookDuel Setu is a clean Astro and Starlight foundation with polished documentation pages, built-in search, AI-readable endpoints, and built-in interactive tools.
Included foundation
The useful parts are already connected.
Search and navigation
Ship organized sidebars, responsive navigation, and full-text search.
AI-readable output
Expose every page as clean plain text and publish a discoverable JSON index.
Easy to customize
Replace the brand, navigation, styles, and starter pages without rebuilding the foundation.
Simple workflow
Make it yours, then write.
01
Configure
Set your name, repository URL, navigation, and visual identity.
02
Write
Add Markdown pages using the included guides and reusable page template.
03
Publish
Build a fast static site with matching AI-readable documentation endpoints.
Start from a working documentation system.
Explore the starter guides, understand the project, or inspect the AI-readable index.