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Shadcn registries

Skill fusengine/agents/plugins/shadcn-expert/skills/shadcn-registries

Redefining development through cognitive automation and collaborative agent systems.

Install

npx -y skills add fusengine/agents --skill shadcn-registries

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Configure shadcn/ui registries, components.json, and CLI commands. Covers default Radix registry, Base UI registry, and custom registries. Use when: configuring shadcn/ui registries, components.json, or CLI add/init commands.

SKILL.md

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shadcn Registries

Agent Workflow (MANDATORY)

Before registry configuration, use TeamCreate:

fuse-ai-pilot:explore-codebase - Find existing components.json
fuse-ai-pilot:research-expert - Verify latest CLI options via Context7

After: Run fuse-ai-pilot:sniper for validation.

Overview

Registry	Primitives	Style
`@shadcn` (default)	Radix UI	`new-york`, `default`
`@basecn`	Base UI	`base-vega`
Custom	Any	Custom

Critical Rules

ALWAYS detect PM before any CLI command (use {runner})
ALWAYS consult MCP before adding components
NEVER mix registries in same project
KEEP components.json in sync with actual primitive
USE CLI for adding components, never manual copy

Architecture

project/
├── components.json         # shadcn/ui configuration
├── components/ui/          # Generated components
└── lib/utils.ts            # Utility functions (cn)

-> See registry-setup.md for complete setup

CLI Commands

ALWAYS use detected package manager (run shadcn-detection first). {runner} = bunx | npx | pnpm dlx | yarn dlx

# Initialize
{runner} shadcn@latest init
{runner} shadcn@latest init --style new-york

# Add components (default registry = Radix)
{runner} shadcn@latest add button dialog select

# Add from Base UI registry
{runner} shadcn@latest add --registry=basecn button dialog

MCP (MANDATORY)

mcp__shadcn__search_items_in_registries -> find component
mcp__shadcn__get_add_command_for_items  -> get exact CLI command

components.json Structure

{
  "$schema": "https://ui.shadcn.com/schema.json",
  "style": "new-york",
  "tailwind": { "config": "tailwind.config.ts", "css": "app/globals.css" },
  "aliases": { "components": "@/components", "utils": "@/lib/utils" }
}

-> See registry-config.md for full schema

Reference Guide

Concepts

Topic	Reference	When to Consult
Registry Config	registry-config.md	Setting up components.json

Templates

Template	When to Use
registry-setup.md	Initial project setup

Best Practices

DO

Use MCP to check registry before adding
Keep components.json in sync with actual primitive
Use CLI for adding, not manual copy

DON'T

Mix registries in same project
Edit component internals without checking registry source
Skip components.json configuration

Keep looking

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