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Agent skill

Size Check

by doccker in doccker/cc-use-exp

Review changed code for reuse, quality, and efficiency, then fix any issues found.

Custom licenceAuto-check passedFrontend & Design

Install Size Check

skills CLI
$ npx skills add doccker/cc-use-exp --skill size-check -a claude-code

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

GitHub CLI
$ gh skill install doccker/cc-use-exp size-check --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/doccker/cc-use-exp.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/size-check .claude/skills/size-check && 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
size-check
GitHub stars
1.1k
Token cost
~775 tokens
SKILL.md length
167 words
Files
1
Skills in repo
67
Repo updated
First seen
Licence
Custom licence

At a glance

Review changed code for reuse, quality, and efficiency, then fix any issues found.

  • Works in 4 steps: 用户确认 → 执行修复 → 验证 → …
  • Frontend & Design work in your project
  • SKILL.md covers 触发方式, 功能 1：代码简化（原有能力）, 功能 2：文件行数扫描 and 功能 3：CSS 提取检查, plus 3 more sections
  • Calls npm and go

What it does

Size Check is an agent skill from doccker/cc-use-exp. Review changed code for reuse, quality, and efficiency, then fix any issues found. Also scans project files for size limit violations.

Its SKILL.md is about 780 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. It works with Vue.js. The repository describes itself as: ⛔ No longer maintained → dev-agent-kit/recipes 让 Claude Code、Antigravity、Gemini CLI、Codex、Cursor 开箱即用的分层配置模板，总结十多年的日常开发经验.

When your agent uses it

  • Frontend & Design work in your project

Example prompts

  • “/size-check”

Requirements

  • Python 3

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. 用户确认
  2. 执行修复
  3. 验证
  4. 自审

What it can do on your machine

Read from SKILL.md and the folder at commit 64470cb. 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:

    • npm
    • go

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

  • Network

    No URLs in SKILL.md. Its commands use npm, 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

Size Check loads about 775 tokens when it runs. Until then it costs about 36 tokens; SKILL.md has 167 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~36
When it runs · the whole SKILL.md, loaded when a task matches
~775

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 167 words (~775 tokens).

name
size-check

Read the full SKILL.md on GitHub

Files

Just SKILL.md in skills/size-check of doccker/cc-use-exp.

Open the folder on GitHubat commit 64470cb

Compare with similar skills

Size Check 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.

Size Check compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Size Check this skilldoccker/cc-use-exp1.1k—~775Automated safety check: PassCustom licence
Tailwindcss Developmentanonaddy/anonaddy4.9k10 repos~865Automated safety check: PassMIT
GSAP Core Animationgreensock/gsap-skills16k4 repos~3.7kAutomated safety check: PassMIT
GSAP in Vue, Nuxt and Sveltegreensock/gsap-skills16k4 repos~2.6kAutomated safety check: PassMIT
Vuetify Playgroundvuetifyjs/vuetify41k—~730Automated safety check: PassCustom licence
Boneyard0xGF/boneyard7.5k—~2.2kAutomated safety check: NotesMIT

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  • Cc Streaming Export Safety

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  • External System Debugging

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Works with

Categories

Questions about Size Check

What does Size Check do?

Review changed code for reuse, quality, and efficiency, then fix any issues found. Size Check is an agent skill from doccker/cc-use-exp. Review changed code for reuse, quality, and efficiency, then fix any issues found.

When should I use Size Check?

Size Check fits situations like: frontend & Design work in your project.

How do I install Size Check in Claude Code?

Run `npx skills add doccker/cc-use-exp --skill size-check -a claude-code`. Or copy the skill folder (skills/size-check in doccker/cc-use-exp) into .claude/skills/size-check in your project. Claude Code loads it when a task matches its description.

How do I install Size Check in Codex?

Run `npx skills add doccker/cc-use-exp --skill size-check -a codex`. Or copy the skill folder (skills/size-check in doccker/cc-use-exp) into .agents/skills/size-check in your project. Codex loads it when a task matches its description.

Can I use Size Check 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 doccker/cc-use-exp --skill size-check -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/size-check, .gemini/skills/size-check, .github/skills/size-check and .opencode/skills/size-check in your project.

What does Size Check need to run?

Going by SKILL.md and its folder, Size Check needs the command-line tools its instructions call (npm and go). Our summary lists: Python 3.

Does Size Check access the network?

SKILL.md contains no URLs. Its commands use npm, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Size Check 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 Size Check use?

Size Check 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 Size Check use?

About 775 tokens (SKILL.md is roughly 3.1k 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 Size Check?

Skills that share tags, products or a category with Size Check: Tailwindcss Development (anonaddy/anonaddy, 4.9k stars), GSAP Core Animation (greensock/gsap-skills, 16k stars), GSAP in Vue, Nuxt and Svelte (greensock/gsap-skills, 16k stars) and Vuetify Playground (vuetifyjs/vuetify, 41k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Size Check?

doccker (a GitHub user) maintains it in doccker/cc-use-exp, which has 1,062 GitHub stars. The repository holds 67 skills in this directory. The repository was last updated on August 26, 2026.

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