Shadcn UI MCP Server v4 Details
Shadcn UI v4 MCP Server is an advanced MCP (Model Context Protocol) server designed to give AI assistants comprehensive access to shadcn/ui v4 components, blocks, demos, and metadata. It enables multi-framework support (React, Svelte, Vue, and React Native) with fast, cache-friendly access to component source code, demos, and directory structures, empowering AI-driven development workflows. The project emphasizes production-readiness with Docker Compose, SSE transport for multi-client deployments, and smart caching to optimize GitHub API usage while providing rich metadata and usage patterns for rapid prototyping and learning across frameworks.
Use Case
This MCP server enables AI assistants to learn from and interact with shadcn/ui v4 components across multiple frameworks. It provides a single integration point to fetch component source code, demos, blocks, and metadata, enabling use cases such as AI-powered UI generation, cross-framework comparison, and rapid prototyping. Example scenarios include: retrieving React and Vue implementations for a given component, exploring blocks like dashboards or forms, and fetching metadata about dependencies and configurations. Code examples from the docs illustrate how to run and configure the server, switch frameworks, and connect editors or agents via SSE transport for real-time interaction.
Examples & Tutorials
Code examples from the documentation:
npx @jpisnice/shadcn-ui-mcp-servernpx @jpisnice/shadcn-ui-mcp-server --github-api-key ghp_your_token_herenpx @jpisnice/shadcn-ui-mcp-server --framework svelte
npx @jpisnice/shadcn-ui-mcp-server --framework vue
npx @jpisnice/shadcn-ui-mcp-server --framework react-native<h1 class="text-2xl font-semibold mt-5 mb-3">SSE mode with port 7423</h1>
node build/index.js --mode sse --port 7423<h1 class="text-2xl font-semibold mt-5 mb-3">Docker Compose (production ready)</h1>
docker-compose up -d
<h1 class="text-2xl font-semibold mt-5 mb-3">Connect with Claude Code</h1>
claude mcp add --scope user --transport sse shadcn-mcp-server http://localhost:7423/sse
<h1 class="text-2xl font-semibold mt-5 mb-3">Basic container</h1>
docker run -p 7423:7423 shadcn-ui-mcp-server<h1 class="text-2xl font-semibold mt-5 mb-3">With GitHub API token</h1>
docker run -p 7423:7423 -e GITHUB_PERSONAL_ACCESS_TOKEN=ghp_your_token shadcn-ui-mcp-server
<h1 class="text-2xl font-semibold mt-5 mb-3">Docker Compose (recommended)</h1>
docker-compose up -d
curl http://localhost:7423/health
<h1 class="text-2xl font-semibold mt-5 mb-3">React (default)</h1>
npx @jpisnice/shadcn-ui-mcp-server<h1 class="text-2xl font-semibold mt-5 mb-3">Svelte</h1>
npx @jpisnice/shadcn-ui-mcp-server --framework svelte
<h1 class="text-2xl font-semibold mt-5 mb-3">Vue</h1>
npx @jpisnice/shadcn-ui-mcp-server --framework vue
<h1 class="text-2xl font-semibold mt-5 mb-3">React Native</h1>
npx @jpisnice/shadcn-ui-mcp-server --framework react-native
claude mcp add --scope user --transport sse shadcn-mcp-server http://localhost:7423/sseInstallation Guide
Step-by-step installation and run commands from the docs:
<h1 class="text-2xl font-semibold mt-5 mb-3">Global installation (optional)</h1>
npm install -g @jpisnice/shadcn-ui-mcp-server<h1 class="text-2xl font-semibold mt-5 mb-3">Or use npx (recommended)</h1>
npx @jpisnice/shadcn-ui-mcp-server
Further options include:
<h1 class="text-2xl font-semibold mt-5 mb-3">Basic usage (60 requests/hour)</h1>
npx @jpisnice/shadcn-ui-mcp-server<h1 class="text-2xl font-semibold mt-5 mb-3">With GitHub token (5000 requests/hour) - Recommended</h1>
npx @jpisnice/shadcn-ui-mcp-server --github-api-key ghp_your_token_here
<h1 class="text-2xl font-semibold mt-5 mb-3">Switch frameworks</h1>
npx @jpisnice/shadcn-ui-mcp-server --framework svelte
npx @jpisnice/shadcn-ui-mcp-server --framework vue
npx @jpisnice/shadcn-ui-mcp-server --framework react-native
Integration Guides
Frequently Asked Questions
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Notes and important considerations from the docs:
Prerequisites from the docs:
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