shadcn CLI 3.0 and MCP Server

In plain words

shadcn CLI 3.0 and MCP Server is a command-line tool for developers to add customizable UI components to their projects. It provides a collection of pre-designed components that can be tailored and extended to build design systems. The tool simplifies component integration through a single command, allowing developers to initialize and add components directly to their codebase. It's designed for developers who want to accelerate UI development while maintaining control over component customization.

written from the facts on this page · September 2026

From the sources

shadcn/ui is the foundation for your design system—A set of beautifully designed components that you can customize, extend, and build on. Use the shadcn CLI to add UI components to your project. Start here: npx shadcn@latest init

Use the shadcn CLI to add components to your project.

Use the init command to initialize configuration and dependencies for an existing project, or create a new project with --name . The init command installs dependencies, adds the cn util and configures CSS variables for the project. Copy Usage: shadcn init [options] [components...] initialize your project and install dependencies Arguments: components names, url or local path to component Options: -t, --template < templat e > the template to use. (next, vite, start, react-router, laravel, astro ) -b, --base < bas e > the component library to use. (base, radix, aria ) -p, --preset [name] use a preset configuration -y, --yes skip confirmation prompt. (default: true ) -d, --defaults use default…from ui.shadcn.com

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