Meta open-sources Astryx, the design system behind 13,000+ internal apps
victor_explore · x · 2026-11-12
Meta open-sourced Astryx (MIT), the design system behind 13,000+ of its internal apps — already at 25.5k GitHub stars.
- 150+ accessible React components (React 19+ and StyleX, currently in Beta)
- 7 fully customizable themes
- Ships Claude Code and Codex plugins/marketplace configs so coding agents pull the real docs when generating UI — addressing the 'your agent keeps shipping the same generic UI' problem
- Agent-friendly repo layout: AGENTS.md, CLAUDE.md, .claude/, etc.
Related event: Meta Open-Sources Astryx, Its Eight-Year Design System(3 posts)→
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