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Agent skill

Shadcn UI

by BuilderIO in BuilderIO/agent-native

Project-aware shadcn/ui components, registry MCP, theming, and design-system lint feedback.

No licenceAuto-check passedFrontend & Design

Install Shadcn UI

skills CLI
$ npx skills add BuilderIO/agent-native --skill shadcn-ui -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install BuilderIO/agent-native shadcn-ui --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/BuilderIO/agent-native.git skills-src && mkdir -p .claude/skills && cp -r skills-src/community-templates/win-loss-memo/.agents/skills/shadcn-ui .claude/skills/shadcn-ui && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
shadcn-ui
GitHub stars
7.1k
Token cost
~3k tokens
SKILL.md length
1,578 words
Files
1
Skills in repo
102
Repo updated
First seen
Licence
None found

At a glance

Project-aware shadcn/ui components, registry MCP, theming, and design-system lint feedback.

  • Works in 6 steps: Work from the app root that owns… → In an Agent-Native app, inspect… → Run pnpm dlx shadcn@latest info --json… → …
  • Changing React/Tailwind UI
  • SKILL.md covers First Steps, MCP Registry Workflow, Design-System Lint Feedback and Agent-Native Adapter Rule, plus 8 more sections
  • Calls pnpm

What it does

Shadcn UI is an agent skill from BuilderIO/agent-native. Project-aware shadcn/ui components, registry MCP, theming, and design-system lint feedback. Use when adding or changing React/Tailwind UI, a primitive, theme, registry, or component contract in an Agent-Native app.

Its SKILL.md is about 3k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Frontend & Design, covering Design systems, CSS and styling and Linting and formatting. It works with shadcn/ui, Model Context Protocol, Tailwind CSS and React. The repository describes itself as: A framework for building agentic apps.

When your agent uses it

  • Changing React/Tailwind UI
  • Component contract in an Agent-Native app

Example prompts

  • “/shadcn-ui”

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Work from the app root that owns components.json. In this monorepo, that is
  2. In an Agent-Native app, inspect app/design-system.ts and
  3. Run pnpm dlx shadcn@latest info --json when you need current project context: framework, Tailwind version, aliases, icon library…
  4. Use the actual aliases from components.json or shadcn info; do not assume @/components/ui if the project says otherwise.
  5. Check app/components/ui/ or the resolved ui path before importing a component.
  6. For unfamiliar components, run pnpm dlx shadcn@latest docs and read the returned docs or examples before coding.

What it can do on your machine

Read from SKILL.md and the folder at commit be0d784. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • pnpm

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use pnpm, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Shadcn UI loads about 3k tokens when it runs. Until then it costs about 56 tokens; SKILL.md has 1,578 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~56
When it runs · the whole SKILL.md, loaded when a task matches
~3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 1,578 words (~3,018 tokens).

“This skill keeps shadcn/ui work project-aware. Components are source files in the app, so always inspect the local project before adding, importing, or rewriting them. When @shadcn/lint is configured, treat its feedback as implementation guidance, not cosmetic noise. The framework…”

— opening of SKILL.md by BuilderIO
name
shadcn-ui
scope
dev
source
https://ui.shadcn.com/docs/skills
local-changes
Description narrowed deliberately; an upstream sync must not restore the "any project with a components.json file" trigger.
metadata.internal
true

Read the full SKILL.md on GitHub

Files

Just SKILL.md in community-templates/win-loss-memo/.agents/skills/shadcn-ui of BuilderIO/agent-native.

Open the folder on GitHubat commit be0d784

Compare with similar skills

Shadcn UI next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Shadcn UI compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Shadcn UI this skillBuilderIO/agent-native7.1k—~3kAutomated safety check: PassNone
Tailwind V4 Shadcnever-works/ever-works1622 repos~3.8kAutomated safety check: PassMIT
Shadcn Tailwind UILiarMTTT/TavernWeave153—~1.7kAutomated safety check: PassCustom licence
Tailwind V4 Shadcnaiskillstore/marketplace4301 repos~4.8kAutomated safety check: PassNone
Tailwind V4 Shadcnsecondsky/claude-skills227—~4kAutomated safety check: PassMIT
UI StylingOhh-889/skyroc79513 repos~2.5kAutomated safety check: PassMIT

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  • Tailwind V4 Shadcn

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    162 GitHub starsUsed in 2 repos~3.8k tokens
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  • Shadcn Tailwind UI

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  • Tailwind V4 Shadcn

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    227 GitHub stars~4k tokensUpdated 11 days ago
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  • Audit Log

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Works with

Categories

Questions about Shadcn UI

What does Shadcn UI do?

Project-aware shadcn/ui components, registry MCP, theming, and design-system lint feedback. Shadcn UI is an agent skill from BuilderIO/agent-native. Project-aware shadcn/ui components, registry MCP, theming, and design-system lint feedback.

When should I use Shadcn UI?

Shadcn UI fits situations like: changing React/Tailwind UI; component contract in an Agent-Native app.

How do I install Shadcn UI in Claude Code?

Run `npx skills add BuilderIO/agent-native --skill shadcn-ui -a claude-code`. Or copy the skill folder (community-templates/win-loss-memo/.agents/skills/shadcn-ui in BuilderIO/agent-native) into .claude/skills/shadcn-ui in your project. Claude Code loads it when a task matches its description.

How do I install Shadcn UI in Codex?

Run `npx skills add BuilderIO/agent-native --skill shadcn-ui -a codex`. Or copy the skill folder (community-templates/win-loss-memo/.agents/skills/shadcn-ui in BuilderIO/agent-native) into .agents/skills/shadcn-ui in your project. Codex loads it when a task matches its description.

Can I use Shadcn UI in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add BuilderIO/agent-native --skill shadcn-ui -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/shadcn-ui, .gemini/skills/shadcn-ui, .github/skills/shadcn-ui and .opencode/skills/shadcn-ui in your project.

What does Shadcn UI need to run?

Going by SKILL.md and its folder, Shadcn UI needs the command-line tools its instructions call (pnpm).

Does Shadcn UI access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Shadcn UI safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Shadcn UI use?

No licence was found for Shadcn UI or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Shadcn UI use?

About 3k tokens (SKILL.md is roughly 12k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Shadcn UI?

Skills that share tags, products or a category with Shadcn UI: Tailwind V4 Shadcn (ever-works/ever-works, 162 stars), Shadcn Tailwind UI (LiarMTTT/TavernWeave, 153 stars), Tailwind V4 Shadcn (aiskillstore/marketplace, 430 stars) and Tailwind V4 Shadcn (secondsky/claude-skills, 227 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Shadcn UI?

BuilderIO (a GitHub organization) maintains it in BuilderIO/agent-native, which has 7,103 GitHub stars. The repository holds 102 skills in this directory. The repository was last updated on October 9, 2026.

Source: BuilderIO/agent-native on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.