# openmastery.org > AI-optimized mirror of openmastery.org containing 2 pages totalling 25 words of clean markdown content, structured data, and semantic HTML. Original source: https://openmastery.org/. Last updated: 2026-06-14T04:02:26.688Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [OPENMASTERY](/content/site-root.html): An open framework for learning and mastery recognition — free to use, adapt, and build on. (20 words) ## Articles & Blog Posts - [Main Content](/content/sitemap-xml.html) (5 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/robots.txt): Crawler directives