Meta’s Astryx Brings a CLI and MCP Server to an Open-Source React Design System Agents Can Read

Summary

<p>Meta released Astryx, an open-source React design system built on StyleX. It pairs a CSS-variable theme cascade with a CLI and MCP server, so both engineers and AI agents build using the same API. The project is in Beta, MIT-licensed, and grew inside Meta over eight years.</p> <p>The post <a href="https://www.marktechpost.com/2026/06/27/metas-astryx-brings-a-cli-and-mcp-server-to-an-open-source-react-design-system-agents-can-read/">Meta&#8217;s Astryx Brings a CLI and MCP Server to an Open-Source React Design System Agents Can Read</a> appeared first on <a href="https://www.marktechpost.com">MarkTechPost</a>.</p>