⬢github TypeScript · 25.8K ★ +11.7K since we first saw it · pushed 12 min ago · MIT
meta/astryx
An open source design system that's fully customizable and agent ready
Astryx is an open source design system from Meta offering 150+ accessible React components, theming via CSS custom properties, dark mode, templates, and a CLI. Built on React 19 and StyleX, it works without build plugins or styling lock-in, and its docs, API, and CLI are designed so both human developers and AI agents can build with it the same way.
Why now: It's a newly open-sourced, widely used internal Meta design system (powering 13,000+ apps) released in beta, notable for being explicitly 'agent ready' amid current AI-coding interest.
Who it is for: React 19 developers and design teams who want a customizable, accessible component library, including those building with AI coding assistants.
Stars over our 479 snapshots: 14.1K to 25.8K, since 4 d ago.
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