shadcn

Enforce ShadCN UI best practices for styling, theming, and component composition in Next.js projects.

284|94|Updated Feb 11, 2026
One-click install
npx skills add https://github.com/mikeOnBreeze/cc-crossbeam --skill shadcn-mikeonbreeze
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: shadcn
Source: https://github.com/mikeOnBreeze/cc-crossbeam/tree/main/.claude/skills/shadcn
Command: npx skills add https://github.com/mikeOnBreeze/cc-crossbeam --skill shadcn-mikeonbreeze

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill solves common pain points of using ShadCN UI in Next.js projects, including inconsistent styling, broken theming, hardcoded design tokens, and non-reusable component patterns that create technical debt and slow down development.

Core Features & Use Cases

  • End-to-End Setup Guidance: Step-by-step instructions for initializing ShadCN in new or existing Next.js projects, configuring path aliases, and setting up CSS variables for flexible theming.
  • Component Best Practices: Patterns for adding, customizing, and composing ShadCN components, including creating custom variants, integrating forms with validation, and using the cn() utility for conditional styling.
  • Theming & Troubleshooting: Complete guides for custom color systems, dark mode implementation, and fixing common issues like Tailwind v4 color misconfiguration that breaks component styling.
  • Use Case: For a developer building a permit management dashboard, use this Skill to ensure all form inputs, buttons, and cards follow consistent design tokens, avoid hardcoded styles that break dark mode, and reuse pre-built ShadCN components instead of duplicating code.

Quick Start

Use the shadcn skill to initialize ShadCN UI in your Next.js project with correct Tailwind v4 theming and add a reusable contact form component with built-in validation.

Frequently Asked Questions about shadcn

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up ShadCN UI in a Next.js project with Tailwind v4?

To set up ShadCN UI in a Next.js project, initialize the library, configure path aliases, and set up CSS variables for theming. This process ensures your project is correctly configured for flexible styling and Tailwind v4 compatibility.

How do I create custom variants for ShadCN UI components?

Creating custom variants for ShadCN UI components involves applying type-safe patterns and the cn() utility for conditional styling. This approach enforces component composition best practices and prevents duplicated code.

Why does my ShadCN UI dark mode implementation break component styling?

ShadCN UI dark mode breaks when using hardcoded styles instead of CSS variables. Implementing a custom color system with CSS variable-based theming ensures components render correctly across light and dark modes.

What is the best way to manage theming and avoid anti-patterns in Next.js UIs?

The best way to manage theming in Next.js UIs is using CSS variables for design tokens. This prevents anti-patterns like hardcoded styles and duplicated component code, ensuring consistent and maintainable interfaces.

Does ShadCN UI support form validation integration out of the box?

ShadCN UI supports proper form validation integration within its component patterns. By following established component best practices, you can build forms with built-in validation that satisfy functional requirements for production-ready Next.js applications.