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21st.dev Magic

Developer Tools MCP server Source ↗
Server spec
Install
See source repository
Transport
stdio
Auth
Not publicly specified
Language
Not publicly specified
Tools exposed
5
Official
Community

The 21st.dev Magic MCP server facilitates the creation of UI components following the design principles established by 21st.dev engineers. It serves as a bridge between AI systems and a repository of vetted interface patterns, enabling consistent and efficient user interface development.

As part of the MCP ecosystem, this server allows agents to programmatically access design knowledge typically reserved for human designers. It standardizes the implementation of visual elements while maintaining alignment with contemporary web standards.

Frontend developers and design system maintainers would benefit most from this server, particularly those working within the 21st.dev design philosophy. The tool appears optimized for rapid prototyping and maintaining visual consistency across digital products.

Tools exposed

generate_componentlist_design_patternsapply_themevalidate_uiexport_template

Resources

UI componentsdesign patternstemplates

Requirements

  • Node.js 18+
  • Access to 21st.dev design resources

Use cases

Generate responsive UI components based on design patternsApply consistent themes across multiple componentsValidate UI against design system guidelinesExport reusable templates for development

Pros & cons

Pros

  • Curated collection of proven design patterns
  • Consistent output adhering to design systems
  • Rapid prototyping capabilities

Cons

  • Limited to 21st.dev design paradigms
  • Dependent on external design resources
  • Customization options may be constrained

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21st.dev Magic

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