Meta Open-Sources Astryx: An Agent-Ready React Design System With 150+ Accessible Components, Seven Themes, and a CLI

Meta has released Astryx, an open-source design system for React 19 applications that includes over 150 accessible components and seven built-in themes. Previously used internally for eight years across Meta's software ecosystem, the framework is now available under an MIT license and includes a command-line interface designed to support AI agent workflows.