MCP/Magic (21st.dev)
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Magic (21st.dev)

Generates modern React and Tailwind UI components using natural language descriptions with AI, real-time previews, and brand assets via SVGL.

frontend•Component Generation & UI Design
GitHub
License:MIT
VERIFIED
By21st.dev@21st.dev

About this Server

Create stunning UI components instantly with Magic AI Agent using natural language commands. This powerful tool supports popular IDEs like Cursor, Windsurf, and VSCode, generating modern, customizable React components inspired by 21st.dev’s library. Enjoy real-time previews, full TypeScript support, and access to professional brand assets via SVGL. Magic AI Agent seamlessly integrates generated components into your project, respecting your code style, and handles designs from simple buttons to complex interactive forms. Stay up to date with new community-published components and enhance your UI development workflow effortlessly.

Real-time Interaction

Direct low-latency RPC protocol communication with structured JSON schemas.

Scoped Sandboxing

Restricted capability bounds to prevent accidental modifications or leakage.

Security & Best Practices

API Key Isolation: Store your 21st.dev API_KEY securely in editor configuration or environment variables; never commit API keys to version control.
Scoped Project Injection: Component generation runs locally inside the project workspace directory without modifying external operating system files.
Clean Dependency Inspection: Inspect generated third-party dependencies before installing packages into production.
Safe Asset Ingestion: Brand assets retrieved through SVGL are vector SVGs sanitized against embedded scripts.

When to Use (and When Not To)

Best For
  • •Frontend developers building modern React, Next.js, and Tailwind CSS applications
  • •Teams needing rapid UI prototyping and interactive design explorations
  • •Developers working in Cursor, Windsurf, or VS Code looking for pre-styled, animated components
  • •Projects requiring consistent, state-of-the-art UI with high visual aesthetics
Not For / Limitations
  • •Non-React codebases such as native mobile apps or vanilla server-rendered HTML templates
  • •Backend database schema design or server-side API routing (use Supabase, Neon, or Backend Design instead)
  • •Offline environments without access to 21st.dev component registries or SVGL CDN endpoints

Install & Setup

terminal command
$claude mcp add magic -- npx -y @21st-dev/magic@latest API_KEY="your-api-key"

Exposed Tools & Endpoints

5 tools

Functions your AI agent can invoke via this Model Context Protocol server

generate_component

Generate customized React and Tailwind components from natural language design prompts.

preview_component

Render and inspect interactive live previews of generated components inside the editor session.

search_svgl_assets

Search and retrieve verified SVG brand logos and company icons directly from SVGL.

list_community_components

Browse and search popular community-published UI designs and interactive component patterns from 21st.dev.

insert_component

Inject generated component code directly into the active project directory respecting existing styling conventions.