How do I install the Cleanup Unused CSS Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/cleanup-unused-css/SKILL.md and restart Claude Code. Both flows are detailed at https://claudskills.com/install/.

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

ClaudSkills / General / general-misc

Cleanup Unused CSS

Category: General · Sub-category: general-misc · Last updated: 2026-05-21

Analyze and remove unused CSS blocks from a website project. Use when: cleaning up CSS files, removing dead code, optimizing bundle size, comparing CSS classes with HTML files, generating CSS usage reports.

From the source SKILL.md

Flux de travail procédural pour analyser une pile CSS, identifier les blocs inutilisés en comparant avec le code HTML, et générer des rapports d'optimisation sécurisée avec scripts de suppression de masse et sauvegarde préalable.

What this skill does

Cleanup Unused CSS is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/cleanup-unused-css/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when: cleaning up CSS files, removing dead code, optimizing bundle size, comparing CSS classes with HTML files, generating CSS usage reports.

Who uses this skill

The Cleanup Unused CSS Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/cleanup-unused-css
curl -L https://claudskills.com/skills/cleanup-unused-css/SKILL.md \
  -o ~/.claude/skills/cleanup-unused-css/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/cleanup-unused-css/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/cleanup-unused-css/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\cleanup-unused-css\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

Source: https://github.com/projetsX/french_skills_vscode/blob/HEAD/cleanup-unused-css/SKILL.md
Author: projetsX

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Cleanup Unused CSS

From the source SKILL.md

What this skill does

Who uses this skill

How to install

Manual install (2 steps)

One-click install via the desktop app

Attribution & license

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