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Unocss

Unocss is an agent skill (a SKILL.md file) from antfu/skills. UnoCSS instant atomic CSS engine, superset of Tailwind CSS. It works with Claude Code and has 5,943 GitHub stars across a repository of 4 listed skills. Install it by copying the skill folder into your agent's skills directory.

github.com/antfu/skills/skills/unocss (opens in a new tab)

View on GitHub (opens in a new tab)

Add this skill

Claude

Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):

git clone --depth 1 https://github.com/antfu/skills.git
cp -r skills/skills/unocss ~/.claude/skills/unocss   # personal, or .claude/skills in a project

In the Claude apps, zip the unocss folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/antfu/skills.git
cp -r skills/skills/unocss .agents/skills/unocss   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/antfu/skills.git
cp -r skills/skills/unocss .cursor/skills/unocss   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

UnoCSS instant atomic CSS engine, superset of Tailwind CSS. Use when configuring UnoCSS, writing utility rules, shortcuts, or working with presets like Wind, Icons, Attributify. UnoCSS is an instant atomic CSS engine designed to be flexible and extensible. The core is un-opinionated - all CSS utilities are provided via presets. It's a superset of Tailwind CSS, so you can reuse your Tailwind knowledge for basic syntax usage.

When it triggers

  • Use when configuring UnoCSS, writing utility rules, shortcuts, or working with presets like Wind, Icons, Attributify.

More skills in antfu/skills

4 skills are listed from this repository.

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FAQ

Unocss FAQ

Still curious? Email info@appsgit.com.

What is the Unocss skill?

Unocss is an agent skill (a SKILL.md file) from antfu/skills. UnoCSS instant atomic CSS engine, superset of Tailwind CSS. It works with Claude Code and has 5,943 GitHub stars across a repository of 4 listed skills. Install it by copying the skill folder into your agent's skills directory. Its SKILL.md lives at github.com/antfu/skills/skills/unocss.

How do I install the Unocss skill?

Copy the unocss folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.

Is the Unocss skill free?

Yes. The repository is open source under the MIT license.

Is Unocss maintained?

The repository's most recent commit was on Sep 30, 2026. appsgit only lists skills from repositories with a commit in the last six months.