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coss-ui

• Web
• operative — changes the codebase
• 84 lines
• 4 references
• 2 scripts

Set up or extend a Next.js web app with Coss/UI — the official Cal.com design system, built on Base UI + Tailwind CSS v4 and installed through the shadcn CLI via the namespaced @coss/* registry. Two modes: Init (shadcn init @coss/style on a new project) and Add (pull @coss/ui primitives, single @coss/<name> components, or particles into an existing one). Sets meta.json#stack.ui = "coss". Triggers: "usa Coss/UI", "coss.com/ui", "Cal.com design system", "aggiungi un componente Coss", "init @coss/style", "scaffold con Coss UI", or dev-flow routing when stack.ui = "coss". Requires Tailwind CSS v4 and carries a mixed MIT/AGPLv3 license. Not for: writing the DESIGN.md (use figma-to-design-md / image-to-design-md), the generic Next.js scaffold (design-md-to-app owns it), backend modules (module-add), or React Native (RN uses NativeWind, not Coss).