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Agent skill

React Component Cleaner

by langfuse in langfuse/langfuse

A skill your agent uses to clean up a React component. An agent skill from langfuse/langfuse.

Custom licenceAuto-check passedFrontend & Design

Install React Component Cleaner

skills CLI
$ npx skills add langfuse/langfuse --skill react-component-cleaner -a claude-code

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

GitHub CLI
$ gh skill install langfuse/langfuse react-component-cleaner --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/langfuse/langfuse.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/react-component-cleaner .claude/skills/react-component-cleaner && 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
react-component-cleaner
GitHub stars
35k
Token cost
~649 tokens
SKILL.md length
362 words
Files
2 (incl. references)
Skills in repo
33
Repo updated
First seen
Licence
Custom licence

At a glance

A skill your agent uses to clean up a React component. An agent skill from langfuse/langfuse.

  • Clean up a React component
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Instructed to do so by the user

What it does

React Component Cleaner is an agent skill from langfuse/langfuse. Use this skill to clean up a React component. Only use this skill when instructed to do so by the user.

Its SKILL.md is about 650 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/component-cleanup-todolist.md`).

It sits in Frontend & Design, covering React components. The repository describes itself as: 🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

When your agent uses it

  • Clean up a React component
  • Instructed to do so by the user

Example prompts

  • “/react-component-cleaner”

What it can do on your machine

Read from SKILL.md and the folder at commit 8b58764. 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

    No scripts in the folder and no shell commands in SKILL.md.

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

  • Network

    Links to these hosts (documentation or services it may open):

    • github.com

    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

React Component Cleaner loads about 649 tokens when it runs, and up to ~2k if it reads all its reference files. Until then it costs about 32 tokens; SKILL.md has 362 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~32
When it runs · the whole SKILL.md, loaded when a task matches
~649
With references · SKILL.md plus every file in references/, read only if the agent opens them
~2k

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

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 362 words (~649 tokens).

“The goal of this skill is to clean up a React component. The changes are meant to be non-breaking and auditable, therefore the instructions below should be followed carefully.”

— opening of SKILL.md by langfuse, Custom licence
name
react-component-cleaner

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (references) in .agents/skills/react-component-cleaner of langfuse/langfuse.

  • SKILL.md
  • references/component-cleanup-todolist.md

Open the folder on GitHubat commit 8b58764

Compare with similar skills

React Component Cleaner 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.

React Component Cleaner compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
React Component Cleaner this skilllangfuse/langfuse35k—~649Automated safety check: PassCustom licence
Web Artifacts Builderanthropics/skills180k40 repos~769Automated safety check: PassApache-2.0
React Composition Patternsvercel-labs/openreview1.7k58 repos~721Automated safety check: PassMIT
Tailwindcss Developmentanonaddy/anonaddy4.9k10 repos~865Automated safety check: PassMIT
Core Component Library PatternsChrisWiles/claude-code-showcase6.1k7 repos~1.2kAutomated safety check: PassNone
React Router Developmentremix-run/react-router57k1 repos~1.5kAutomated safety check: PassMIT

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Categories

Questions about React Component Cleaner

What does React Component Cleaner do?

A skill your agent uses to clean up a React component. An agent skill from langfuse/langfuse. React Component Cleaner is an agent skill from langfuse/langfuse. Use this skill to clean up a React component.

When should I use React Component Cleaner?

React Component Cleaner fits situations like: clean up a React component; instructed to do so by the user.

How do I install React Component Cleaner in Claude Code?

Run `npx skills add langfuse/langfuse --skill react-component-cleaner -a claude-code`. Or copy the skill folder (.agents/skills/react-component-cleaner in langfuse/langfuse) into .claude/skills/react-component-cleaner in your project. Claude Code loads it when a task matches its description.

How do I install React Component Cleaner in Codex?

Run `npx skills add langfuse/langfuse --skill react-component-cleaner -a codex`. Or copy the skill folder (.agents/skills/react-component-cleaner in langfuse/langfuse) into .agents/skills/react-component-cleaner in your project. Codex loads it when a task matches its description.

Can I use React Component Cleaner 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 langfuse/langfuse --skill react-component-cleaner -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/react-component-cleaner, .gemini/skills/react-component-cleaner, .github/skills/react-component-cleaner and .opencode/skills/react-component-cleaner in your project.

What does React Component Cleaner need to run?

SKILL.md names no scripts, command-line tools or credentials: React Component Cleaner is instructions for the agent only.

Does React Component Cleaner access the network?

SKILL.md names 1 domain. As links in the text: github.com. This is read from the text; nothing was executed.

Is React Component Cleaner 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 React Component Cleaner use?

React Component Cleaner has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does React Component Cleaner use?

About 649 tokens (SKILL.md is roughly 2.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.3k tokens, read only when the agent opens those files.

What are the alternatives to React Component Cleaner?

Skills that share tags, products or a category with React Component Cleaner: Web Artifacts Builder (anthropics/skills, 180k stars), React Composition Patterns (vercel-labs/openreview, 1.7k stars), Tailwindcss Development (anonaddy/anonaddy, 4.9k stars) and Core Component Library Patterns (ChrisWiles/claude-code-showcase, 6.1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains React Component Cleaner?

langfuse (a GitHub organization) maintains it in langfuse/langfuse, which has 35,460 GitHub stars. The repository holds 33 skills in this directory. The repository was last updated on October 7, 2026.

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