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---
name: shadcn-ui
description: >-
Give the assistant project-aware shadcn/ui context: components.json,
composition patterns, CLI, registries, theming, and MCP. Use when working on
web/default UI, shadcn components, or presets. Overview aligns with
https://ui.shadcn.com/docs/skills.md; full upstream skill text is vendored
under vendor/shadcn/.
---
<!-- Canonical overview: https://ui.shadcn.com/docs/skills.md -->
# Skills (shadcn/ui)
Skills give AI assistants project-aware context about shadcn/ui. When used, the assistant knows how to find, install, compose, and customize components using the correct APIs and patterns for your project.
For example, you can ask:
- _"Add a login form with email and password fields."_
- _"Create a settings page with a form for updating profile information."_
- _"Build a dashboard with a sidebar, stats cards, and a data table."_
- _"Switch to --preset [CODE]"_
- _"Can you add a hero from @tailark?"_
The skill reads your project's `components.json` and provides your framework, aliases, installed components, icon library, and base library so it can generate correct code on the first try.
---
## Install (ecosystem vs this repo)
Official install from [Skills — shadcn/ui](https://ui.shadcn.com/docs/skills.md):
```bash
npx skills add shadcn/ui
```
That installs the skill where the `skills` CLI is available. **This repository** keeps the same intent under `.agents/skills/shadcn-ui/` (overview here + **vendored** upstream docs in [`vendor/shadcn/`](./vendor/shadcn/)) and runs the shadcn CLI from the frontend app root:
```bash
cd web/default && bunx shadcn@latest info --json
```
Learn more about skills at [skills.sh](https://skills.sh).
---
## What's included (and where)
### Project context
Run **`shadcn info --json`** (here: `cd web/default && bunx shadcn@latest info --json`) for framework, Tailwind version, aliases, base (`radix` | `base`), icon library, installed components, and resolved paths.
### CLI commands
Full command reference (vendored): [`vendor/shadcn/cli.md`](./vendor/shadcn/cli.md).
### Theming and customization
Vendored: [`vendor/shadcn/customization.md`](./vendor/shadcn/customization.md). Live docs: [Theming](https://ui.shadcn.com/docs/theming).
### Registry authoring
Not duplicated as a single file in the vendor tree; see [Registry](https://ui.shadcn.com/docs/registry) and `build` in [`vendor/shadcn/cli.md`](./vendor/shadcn/cli.md).
### MCP server
Vendored: [`vendor/shadcn/mcp.md`](./vendor/shadcn/mcp.md). Live docs: [MCP Server](https://ui.shadcn.com/docs/mcp).
---
## How it works
1. **Project detection** — Applies when `components.json` exists (here: `web/default/components.json`).
2. **Context injection** — Use `shadcn info --json` as ground truth for imports and APIs.
3. **Pattern enforcement** — Use [`vendor/shadcn/rules/`](./vendor/shadcn/rules/) for concrete markup checks; the complete official workflow reference is listed below for deeper CLI, registry, and preset questions.
4. **Component discovery**`shadcn docs`, `shadcn search`, MCP, or registries — see the official workflow reference and MCP doc when deeper context is needed.
---
## Learn more (web)
- [CLI](https://ui.shadcn.com/docs/cli) — complements [`vendor/shadcn/cli.md`](./vendor/shadcn/cli.md)
- [Theming](https://ui.shadcn.com/docs/theming)
- [Registry](https://ui.shadcn.com/docs/registry)
- [skills.sh](https://skills.sh)
---
## Vendored upstream bundle (deep rules)
Snapshot from [shadcn-ui/ui `skills/shadcn`](https://github.com/shadcn-ui/ui/tree/main/skills/shadcn); revision note in [`vendor/shadcn/UPSTREAM.txt`](./vendor/shadcn/UPSTREAM.txt). The upstream workflow is stored as a reference file, with its original skill frontmatter removed, so the vendored copy is not discovered as a second local skill.
| Doc | Path |
| --- | --- |
| Official shadcn/ui workflow reference | [`vendor/shadcn/official-shadcn-ui-workflow.md`](./vendor/shadcn/official-shadcn-ui-workflow.md) |
| CLI reference | [`vendor/shadcn/cli.md`](./vendor/shadcn/cli.md) |
| Theming / customization | [`vendor/shadcn/customization.md`](./vendor/shadcn/customization.md) |
| MCP | [`vendor/shadcn/mcp.md`](./vendor/shadcn/mcp.md) |
| Forms | [`vendor/shadcn/rules/forms.md`](./vendor/shadcn/rules/forms.md) |
| Composition | [`vendor/shadcn/rules/composition.md`](./vendor/shadcn/rules/composition.md) |
| Icons | [`vendor/shadcn/rules/icons.md`](./vendor/shadcn/rules/icons.md) |
| Styling | [`vendor/shadcn/rules/styling.md`](./vendor/shadcn/rules/styling.md) |
| Base vs Radix | [`vendor/shadcn/rules/base-vs-radix.md`](./vendor/shadcn/rules/base-vs-radix.md) |
**Workflow:** Prefer this **root** `SKILL.md` for repo paths (`web/default`, Bun). Read **`vendor/shadcn/official-shadcn-ui-workflow.md`** only when you need the complete official component, registry, or preset workflow. Use **`vendor/shadcn/rules/*.md`** when validating concrete markup.