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Astryx is Meta’s open-source design system built on React and StyleX. It includes accessible components, brand-level themes, templates, dark mode, CLI/MCP documentation, and customization paths so developers and AI agents can build consistent UIs more reliably.

Astryx homepage screenshot

Features

  • React and StyleX
  • Open-source design system
  • Accessible components
  • Brand-level themes
  • Dark mode and templates
  • CLI/MCP agent docs

Use Cases

  • Product UI building
  • Design-system adoption
  • AI-agent UI generation
  • Brand theme customization
  • React component library
  • Enterprise frontend consistency

FAQ

Astryx is Meta’s open-source design system built on React and StyleX. It includes accessible components, brand-level themes, templates, dark mode, CLI/MCP documentation, and customization paths so developers and AI agents can build consistent UIs more reliably. Core capabilities include: React and StyleX, Open-source design system, Accessible components.

Common scenarios include: Product UI building, Design-system adoption, AI-agent UI generation.

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