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magic-mcp

MCP Server

It's like v0 but in your Cursor/WindSurf/Cline. 21st dev Magic MCP server for working with your frontend like Magic

Copy the install, test the workflow, then decide if it earns a permanent slot.

4,816
Why nowStill in play

Still active enough to matter. Good candidate for a fast stack test instead of a long evaluation loop.

DecisionHigh-conviction move

Copy the install, test the workflow, then decide if it earns a permanent slot.

Trial costFast eval

You can test this quickly and remove it cleanly if it misses.

Risk50/100

GitHub health 25/100. no security policy. 36 open issues make this testable, but not something to trust blind.

What You Are Adopting

AI Agent

Multiple

Model

Multiple

Build Time

Minutes

Test This In Your Stack

One command inClean rollbackLow commitment
settingsRegistryAdds a named entry to Claude config. One command to remove.

Fastest way to find out if magic-mcp belongs in your setup.

Copy the install command, run a real test, and back it out cleanly if it slows you down.

Try now
claude mcp add magic-mcp -- npx magic-mcp

Run this first. You will know quickly if the workflow earns a permanent slot.

Back out
claude mcp remove magic-mcp

No messy cleanup loop. If it misses, remove it and keep moving.

Install Location

~/  └─ .claude.json    └─ mcp_servers/      └─ magic-mcp ← registers here

About

It's like v0 but in your Cursor/WindSurf/Cline. 21st dev Magic MCP server for working with your frontend like Magic. An open-source mcp server for the AI coding ecosystem.

README

21st.dev Magic AI Agent

MCP Banner

Magic Component Platform (MCP) is a powerful AI-driven tool that helps developers create beautiful, modern UI components instantly through natural language descriptions. It integrates seamlessly with popular IDEs and provides a streamlined workflow for UI development.

🌟 Features

  • AI-Powered UI Generation: Create UI components by describing them in natural language
  • Multi-IDE Support:
    • Cursor IDE integration
    • Windsurf support
    • VSCode support
    • VSCode + Cline integration (Beta)
  • Modern Component Library: Access to a vast collection of pre-built, customizable components inspired by 21st.dev
  • Real-time Preview: Instantly see your components as you create them
  • TypeScript Support: Full TypeScript support for type-safe development
  • SVGL Integration: Access to a vast collection of professional brand assets and logos
  • Component Enhancement: Improve existing components with advanced features and animations (Coming Soon)

🎯 How It Works

  1. Tell Agent What You Need

    • In your AI Agent's chat, just type /ui and describe the component you're looking for
    • Example: /ui create a modern navigation bar with responsive design
  2. Let Magic Create It

    • Your IDE prompts you to use Magic
    • Magic instantly builds a polished UI component
    • Components are inspired by 21st.dev's library
  3. Seamless Integration

    • Components are automatically added to your project
    • Start using your new UI components right away
    • All components are fully customizable

🚀 Getting Started

Prerequisites

  • Node.js (Latest LTS version recommended)
  • One of the supported IDEs:
    • Cursor
    • Windsurf
    • VSCode (with Cline extension)

Installation

  1. Generate API Key

    • Visit 21st.dev Magic Console
    • Generate a new API key
  2. Choose Installation Method

Method 1: CLI Installation (Recommended)

One command to install and configure MCP for your IDE:

npx @21st-dev/cli@latest install <client> --api-key <key>

Supported clients: cursor, windsurf, cline, claude

Method 2: Manual Configuration

If you prefer manual setup, add this to your IDE's MCP config file:

{
  "mcpServers": {
    "@21st-dev/magic": {
      "command": "npx",
      "args": ["-y", "@21st-dev/magic@latest", "API_KEY=\"your-api-key\""]
    }
  }
}

Config file locations:

  • Cursor: ~/.cursor/mcp.json
  • Windsurf: ~/.codeium/windsurf/mcp_config.json
  • Cline: ~/.cline/mcp_config.json
  • Claude: ~/.claude/mcp_config.json

Method 3: VS Code Installation

For one-click installation, click one of the install buttons below:

Install with NPX in VS Code Install with NPX in VS Code Insiders

Manual VS Code Setup

First, check the install buttons above for one-click installation. For manual setup:

Add the following JSON block to your User Settings (JSON) file in VS Code. You can do this by pressing Ctrl + Shift + P and typing Preferences: Open User Settings (JSON):

{
  "mcp": {
    "inputs": [
      {
        "type": "promptString",
        "id": "apiKey",
        "description": "21st.dev Magic API Key",
        "password": true
      }
    ],
    "servers": {
      "@21st-dev/magic": {
        "command": "npx",
        "args": ["-y", "@21st-dev/magic@latest"],
        "env": {
          "API_KEY": "${input:apiKey}"
        }
      }
    }
  }
}

Optionally, you can add it to a file called .vscode/mcp.json in your workspace:

{
  "inputs": [
    {
      "type": "promptString",
      "id": "apiKey",
      "description": "21st.dev Magic API Key",
      "password": true
    }
  ],
  "servers": {
    "@21st-dev/magic": {
      "command": "npx",
      "args": ["-y", "@21st-dev/magic@latest"],
      "env": {
        "API_KEY": "${input:apiKey}"
      }
    }
  }
}

❓ FAQ

How does Magic AI Agent handle my codebase?

Magic AI Agent only writes or modifies files related to the components it generates. It follows your project's code style and structure, and integrates seamlessly with your existing codebase without affecting other parts of your application.

Can I customize the generated components?

Yes! All generated components are fully editable and come with well-structured code. You can modify the styling, functionality, and behavior just like any other React component in your codebase.

What happens if I run out of generations?

If you exceed your monthly generation limit, you'll be prompted to upgrade your plan. You can upgrade at any time to continue generating components. Your existing components will remain fully functional.

How soon do new components get added to 21st.dev's library?

Authors can publish components to 21st.dev at any time, and Magic Agent will have immediate access to them. This means you'll always have access to the latest components and design patterns from the community.

Is there a limit to component complexity?

Magic AI Agent can handle components of varying complexity, from simple buttons to complex interactive forms. However, for best results, we recommend breaking down very complex UIs into smaller, manageable components.

🛠️ Development

Project Structure

mcp/
├── app/
│   └── components/     # Core UI components
├── types/             # TypeScript type definitions
├── lib/              # Utility functions
└── public/           # Static assets

Key Components

  • IdeInstructions: Setup instructions for different IDEs
  • ApiKeySection: API key management interface
  • WelcomeOnboarding: Onboarding flow for new users

🤝 Contributing

We welcome contributions! Please join our Discord community and provide feedback to help improve Magic Agent. The source code is available on GitHub.

👥 Community & Support

  • Discord Community - Join our active community
  • Twitter - Follow us for updates

⚠️ Beta Notice

Magic Agent is currently in beta. All features are free during this period. We appreciate your feedback and patience as we continue to improve the platform.

📝 License

MIT License

🙏 Acknowledgments

  • Thanks to our beta testers and community members
  • Special thanks to the Cursor, Windsurf, and Cline teams for their collaboration
  • Integration with 21st.dev for component inspiration
  • SVGL for logo and brand asset integration

For more information, join our Discord community or visit 21st.dev/magic.

Tech Stack

GoTypeScriptReactClaude

Installation

Ctrl + Shift + P

Preferences: Open User Settings (JSON)

.vscode/mcp.json

Open Live ProjectAudit Repo

Reviews0

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AgingLast commit 2mo ago
bug_report36open issues
Submitted February 19, 2025

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