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2 changes: 1 addition & 1 deletion .claude-plugin/marketplace.json
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},
{
"name": "ui-dev",
"version": "2.1.3",
"version": "2.1.4",
"source": "./ui-dev",
"description": "UI development toolkit with headless browser automation and shadcn/ui component documentation"
},
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2 changes: 1 addition & 1 deletion ui-dev/.claude-plugin/plugin.json
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@@ -1,7 +1,7 @@
{
"name": "ui-dev",
"description": "UI development toolkit with headless browser automation and shadcn/ui component documentation",
"version": "2.1.3",
"version": "2.1.4",
"author": {
"name": "David Lopes"
}
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5 changes: 5 additions & 0 deletions ui-dev/skills/shadcn/.upstream
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repo: shadcn-ui/ui
ref: main
path: skills/shadcn
commit: 15ac1be92b889480010802151324924005918047
synced_at: 2026-05-12T23:32:54Z
260 changes: 260 additions & 0 deletions ui-dev/skills/shadcn/SKILL.md

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5 changes: 5 additions & 0 deletions ui-dev/skills/shadcn/agents/openai.yml
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interface:
display_name: "shadcn/ui"
short_description: "Manages shadcn/ui components — adding, searching, fixing, debugging, styling, and composing UI."
icon_small: "./assets/shadcn-small.png"
icon_large: "./assets/shadcn.png"
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276 changes: 276 additions & 0 deletions ui-dev/skills/shadcn/cli.md

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209 changes: 209 additions & 0 deletions ui-dev/skills/shadcn/customization.md
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# Customization & Theming

Components reference semantic CSS variable tokens. Change the variables to change every component.

## Contents

- How it works (CSS variables → Tailwind utilities → components)
- Color variables and OKLCH format
- Dark mode setup
- Changing the theme (presets, CSS variables)
- Adding custom colors (Tailwind v3 and v4)
- Border radius
- Customizing components (variants, className, wrappers)
- Checking for updates

---

## How It Works

1. CSS variables defined in `:root` (light) and `.dark` (dark mode).
2. Tailwind maps them to utilities: `bg-primary`, `text-muted-foreground`, etc.
3. Components use these utilities — changing a variable changes all components that reference it.

---

## Color Variables

Every color follows the `name` / `name-foreground` convention. The base variable is for backgrounds, `-foreground` is for text/icons on that background.

| Variable | Purpose |
| -------------------------------------------- | -------------------------------- |
| `--background` / `--foreground` | Page background and default text |
| `--card` / `--card-foreground` | Card surfaces |
| `--primary` / `--primary-foreground` | Primary buttons and actions |
| `--secondary` / `--secondary-foreground` | Secondary actions |
| `--muted` / `--muted-foreground` | Muted/disabled states |
| `--accent` / `--accent-foreground` | Hover and accent states |
| `--destructive` / `--destructive-foreground` | Error and destructive actions |
| `--border` | Default border color |
| `--input` | Form input borders |
| `--ring` | Focus ring color |
| `--chart-1` through `--chart-5` | Chart/data visualization |
| `--sidebar-*` | Sidebar-specific colors |
| `--surface` / `--surface-foreground` | Secondary surface |

Colors use OKLCH: `--primary: oklch(0.205 0 0)` where values are lightness (0–1), chroma (0 = gray), and hue (0–360).

---

## Dark Mode

Class-based toggle via `.dark` on the root element. In Next.js, use `next-themes`:

```tsx
import { ThemeProvider } from "next-themes"

<ThemeProvider attribute="class" defaultTheme="system" enableSystem>
{children}
</ThemeProvider>
```

---

## Changing the Theme

```bash
# Apply a preset code from ui.shadcn.com.
npx shadcn@latest apply --preset a2r6bw

# Positional shorthand also works.
npx shadcn@latest apply a2r6bw

# Switch to a named preset and overwrite existing components.
npx shadcn@latest apply --preset nova

# Preserve existing components instead.
npx shadcn@latest init --preset nova --force --no-reinstall

# Use a custom theme URL.
npx shadcn@latest apply --preset "https://ui.shadcn.com/init?base=radix&style=nova&theme=blue&..."
```

Or edit CSS variables directly in `globals.css`.

---

## Adding Custom Colors

Add variables to the file at `tailwindCssFile` from `npx shadcn@latest info` (typically `globals.css`). Never create a new CSS file for this.

```css
/* 1. Define in the global CSS file. */
:root {
--warning: oklch(0.84 0.16 84);
--warning-foreground: oklch(0.28 0.07 46);
}
.dark {
--warning: oklch(0.41 0.11 46);
--warning-foreground: oklch(0.99 0.02 95);
}
```

```css
/* 2a. Register with Tailwind v4 (@theme inline). */
@theme inline {
--color-warning: var(--warning);
--color-warning-foreground: var(--warning-foreground);
}
```

When `tailwindVersion` is `"v3"` (check via `npx shadcn@latest info`), register in `tailwind.config.js` instead:

```js
// 2b. Register with Tailwind v3 (tailwind.config.js).
module.exports = {
theme: {
extend: {
colors: {
warning: "oklch(var(--warning) / <alpha-value>)",
"warning-foreground":
"oklch(var(--warning-foreground) / <alpha-value>)",
},
},
},
}
```

```tsx
// 3. Use in components.
<div className="bg-warning text-warning-foreground">Warning</div>
```

---

## Border Radius

`--radius` controls border radius globally. Components derive values from it (`rounded-lg` = `var(--radius)`, `rounded-md` = `calc(var(--radius) - 2px)`).

---

## Customizing Components

See also: [rules/styling.md](./rules/styling.md) for Incorrect/Correct examples.

Prefer these approaches in order:

### 1. Built-in variants

```tsx
<Button variant="outline" size="sm">
Click
</Button>
```

### 2. Tailwind classes via `className`

```tsx
<Card className="mx-auto max-w-md">...</Card>
```

### 3. Add a new variant

Edit the component source to add a variant via `cva`:

```tsx
// components/ui/button.tsx
warning: "bg-warning text-warning-foreground hover:bg-warning/90",
```

### 4. Wrapper components

Compose shadcn/ui primitives into higher-level components:

```tsx
export function ConfirmDialog({ title, description, onConfirm, children }) {
return (
<AlertDialog>
<AlertDialogTrigger asChild>{children}</AlertDialogTrigger>
<AlertDialogContent>
<AlertDialogHeader>
<AlertDialogTitle>{title}</AlertDialogTitle>
<AlertDialogDescription>{description}</AlertDialogDescription>
</AlertDialogHeader>
<AlertDialogFooter>
<AlertDialogCancel>Cancel</AlertDialogCancel>
<AlertDialogAction onClick={onConfirm}>Confirm</AlertDialogAction>
</AlertDialogFooter>
</AlertDialogContent>
</AlertDialog>
)
}
```

---

## Checking for Updates

```bash
npx shadcn@latest add button --diff
```

To preview exactly what would change before updating, use `--dry-run` and `--diff`:

```bash
npx shadcn@latest add button --dry-run # see all affected files
npx shadcn@latest add button --diff button.tsx # see the diff for a specific file
```

See [Updating Components in SKILL.md](./SKILL.md#updating-components) for the full smart merge workflow.
47 changes: 47 additions & 0 deletions ui-dev/skills/shadcn/evals/evals.json
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{
"skill_name": "shadcn",
"evals": [
{
"id": 1,
"prompt": "I'm building a Next.js app with shadcn/ui (base-nova preset, lucide icons). Create a settings form component with fields for: full name, email address, and notification preferences (email, SMS, push notifications as toggle options). Add validation states for required fields.",
"expected_output": "A React component using FieldGroup, Field, ToggleGroup, data-invalid/aria-invalid validation, gap-* spacing, and semantic colors.",
"files": [],
"expectations": [
"Uses FieldGroup and Field components for form layout instead of raw div with space-y",
"Uses Switch for independent on/off notification toggles (not looping Button with manual active state)",
"Uses data-invalid on Field and aria-invalid on the input control for validation states",
"Uses gap-* (e.g. gap-4, gap-6) instead of space-y-* or space-x-* for spacing",
"Uses semantic color tokens (e.g. bg-background, text-muted-foreground, text-destructive) instead of raw colors like bg-red-500",
"No manual dark: color overrides"
]
},
{
"id": 2,
"prompt": "Create a dialog component for editing a user profile. It should have the user's avatar at the top, input fields for name and bio, and Save/Cancel buttons with appropriate icons. Using shadcn/ui with radix-nova preset and tabler icons.",
"expected_output": "A React component with DialogTitle, Avatar+AvatarFallback, data-icon on icon buttons, no icon sizing classes, tabler icon imports.",
"files": [],
"expectations": [
"Includes DialogTitle for accessibility (visible or with sr-only class)",
"Avatar component includes AvatarFallback",
"Icons on buttons use the data-icon attribute (data-icon=\"inline-start\" or data-icon=\"inline-end\")",
"No sizing classes on icons inside components (no size-4, w-4, h-4, etc.)",
"Uses tabler icons (@tabler/icons-react) instead of lucide-react",
"Uses asChild for custom triggers (radix preset)"
]
},
{
"id": 3,
"prompt": "Create a dashboard component that shows 4 stat cards in a grid. Each card has a title, large number, percentage change badge, and a loading skeleton state. Using shadcn/ui with base-nova preset and lucide icons.",
"expected_output": "A React component with full Card composition, Skeleton for loading, Badge for changes, semantic colors, gap-* spacing.",
"files": [],
"expectations": [
"Uses full Card composition with CardHeader, CardTitle, CardContent (not dumping everything into CardContent)",
"Uses Skeleton component for loading placeholders instead of custom animate-pulse divs",
"Uses Badge component for percentage change instead of custom styled spans",
"Uses semantic color tokens instead of raw color values like bg-green-500 or text-red-600",
"Uses gap-* instead of space-y-* or space-x-* for spacing",
"Uses size-* when width and height are equal instead of separate w-* h-*"
]
}
]
}
94 changes: 94 additions & 0 deletions ui-dev/skills/shadcn/mcp.md
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# shadcn MCP Server

The CLI includes an MCP server that lets AI assistants search, browse, view, and install components from registries.

---

## Setup

```bash
shadcn mcp # start the MCP server (stdio)
shadcn mcp init # write config for your editor
```

Editor config files:

| Editor | Config file |
|--------|------------|
| Claude Code | `.mcp.json` |
| Cursor | `.cursor/mcp.json` |
| VS Code | `.vscode/mcp.json` |
| OpenCode | `opencode.json` |
| Codex | `~/.codex/config.toml` (manual) |

---

## Tools

> **Tip:** MCP tools handle registry operations (search, view, install). For project configuration (aliases, framework, Tailwind version), use `npx shadcn@latest info` — there is no MCP equivalent.
### `shadcn:get_project_registries`

Returns registry names from `components.json`. Errors if no `components.json` exists.

**Input:** none

### `shadcn:list_items_in_registries`

Lists all items from one or more registries.

**Input:** `registries` (string[]), `limit` (number, optional), `offset` (number, optional)

### `shadcn:search_items_in_registries`

Fuzzy search across registries.

**Input:** `registries` (string[]), `query` (string), `limit` (number, optional), `offset` (number, optional)

### `shadcn:view_items_in_registries`

View item details including full file contents.

**Input:** `items` (string[]) — e.g. `["@shadcn/button", "@shadcn/card"]`

### `shadcn:get_item_examples_from_registries`

Find usage examples and demos with source code.

**Input:** `registries` (string[]), `query` (string) — e.g. `"accordion-demo"`, `"button example"`

### `shadcn:get_add_command_for_items`

Returns the CLI install command.

**Input:** `items` (string[]) — e.g. `["@shadcn/button"]`

### `shadcn:get_audit_checklist`

Returns a checklist for verifying components (imports, deps, lint, TypeScript).

**Input:** none

---

## Configuring Registries

Registries are set in `components.json`. The `@shadcn` registry is always built-in.

```json
{
"registries": {
"@acme": "https://acme.com/r/{name}.json",
"@private": {
"url": "https://private.com/r/{name}.json",
"headers": { "Authorization": "Bearer ${MY_TOKEN}" }
}
}
}
```

- Names must start with `@`.
- URLs must contain `{name}`.
- `${VAR}` references are resolved from environment variables.

Community registry index: `https://ui.shadcn.com/r/registries.json`
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