# cirruslabs.org > AI-optimized mirror of cirruslabs.org containing 1 pages totalling 421 words of clean markdown content, structured data, and semantic HTML. Original source: https://cirruslabs.org/. Last updated: 2026-06-13T19:31:24.067Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [Cirrus Labs to join OpenAI](/content/site-root.html): Cirrus Labs announces an agreement to join OpenAI as part of the Agent Infrastructure team. (421 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