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Agent skill

Code Simplifier

by meleantonio in meleantonio/ChernyCode

Simplify and clean up code after changes are complete. An agent skill from meleantonio/ChernyCode.

No licenceAuto-check passedDevelopment

Install Code Simplifier

skills CLI
$ npx skills add meleantonio/ChernyCode --skill code-simplifier -a claude-code

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

GitHub CLI
$ gh skill install meleantonio/ChernyCode code-simplifier --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/meleantonio/ChernyCode.git skills-src && mkdir -p .claude/skills && cp -r skills-src/claude_personal_skills/code-simplifier .claude/skills/code-simplifier && 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
code-simplifier
GitHub stars
516
Used in
1 other repo
Token cost
~604 tokens
SKILL.md length
221 words
Files
1
Skills in repo
7
Repo updated
First seen
Licence
None found

At a glance

Simplify and clean up code after changes are complete. An agent skill from meleantonio/ChernyCode.

  • Works in 5 steps: Identify Changed Files → Analyze Each File → Apply Simplifications → …
  • Tasks that involve Code simplification
  • SKILL.md covers When to Use, Simplification Goals, Workflow and Arguments, plus 1 more section
  • Calls ruff

What it does

Code Simplifier is an agent skill from meleantonio/ChernyCode. Simplify and clean up code after changes are complete. Reduces complexity, improves readability, and ensures consistency.

Its SKILL.md is about 600 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 Development, covering Code simplification, Plain language and style rules and Refactoring.

When your agent uses it

  • Tasks that involve Code simplification
  • Tasks that involve Plain language and style rules
  • Tasks that involve Refactoring

Example prompts

  • “/code-simplifier”

Requirements

  • Python 3

Workflow steps

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

  1. Identify Changed Files
  2. Analyze Each File
  3. Apply Simplifications
  4. Format and Lint
  5. Verify

What it can do on your machine

Read from SKILL.md and the folder at commit d85373c. 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:

    • ruff

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

  • Network

    No URLs in SKILL.md.

    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

Code Simplifier loads about 604 tokens when it runs. Until then it costs about 34 tokens; SKILL.md has 221 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~34
When it runs · the whole SKILL.md, loaded when a task matches
~604

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 221 words (~604 tokens).

“Clean up and simplify code after making changes.”

— opening of SKILL.md by meleantonio
name
code-simplifier
disable-model-invocation
true

Read the full SKILL.md on GitHub

Files

Just SKILL.md in claude_personal_skills/code-simplifier of meleantonio/ChernyCode.

Open the folder on GitHubat commit d85373c

Used in 2 other repositories

We found 3 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in meleantonio/ChernyCode, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Code Simplifier 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.

Code Simplifier compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Code Simplifier this skillmeleantonio/ChernyCode5161 repos~604Automated safety check: PassNone
Code Simplifiergetsentry/skills1k6 repos~991Automated safety check: PassApache-2.0
Code RefinerMathews-Tom/armory327—~3.1kAutomated safety check: PassMIT
Rnd Code Simplifychendongqi/OPB-Skills125—~2.2kAutomated safety check: PassNone
Code Simplifierpproenca/dot-skills214—~2.1kAutomated safety check: PassMIT
PonytailDavidObando/gsharp5648 repos~1.7kAutomated safety check: PassMIT

Similar skills

  • Code Simplifier

    getsentry/skills

    Official

    Simplifies and refines code for clarity, consistency, and maintainability while preserving all functionality.

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  • Code Refiner

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  • Rnd Code Simplify

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    Expert code simplification and refactoring specialist that autonomously enhances code clarity, consistency, and maintainability while preserving exact functionality.

    125 GitHub stars~2.2k tokensUpdated 7 mo ago
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  • Code Simplifier

    pproenca/dot-skills

    Code simplification skill for improving clarity, consistency, and maintainability while preserving exact behavior.

    214 GitHub stars~2.1k tokensUpdated 1 mo ago
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  • Ponytail

    DavidObando/gsharp

    Forces the laziest solution that actually works, simplest, shortest, most minimal.

    564 GitHub starsUsed in 8 repos~1.7k tokens
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  • Code Simplification for ego-lite

    citrolabs/ego-lite

    Finds and implements evidence-backed simplifications in the ego-lite repository, such as dead code, duplicated state and speculative abstractions, without hiding behavior changes.

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    Commit changes, push to remote, and create a pull request. An agent skill from meleantonio/ChernyCode.

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  • Testing

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  • Techdebt

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Categories

Questions about Code Simplifier

What does Code Simplifier do?

Simplify and clean up code after changes are complete. An agent skill from meleantonio/ChernyCode. Code Simplifier is an agent skill from meleantonio/ChernyCode. Simplify and clean up code after changes are complete.

When should I use Code Simplifier?

Code Simplifier fits situations like: tasks that involve Code simplification; tasks that involve Plain language and style rules; tasks that involve Refactoring.

How do I install Code Simplifier in Claude Code?

Run `npx skills add meleantonio/ChernyCode --skill code-simplifier -a claude-code`. Or copy the skill folder (claude_personal_skills/code-simplifier in meleantonio/ChernyCode) into .claude/skills/code-simplifier in your project. Claude Code loads it when a task matches its description.

How do I install Code Simplifier in Codex?

Run `npx skills add meleantonio/ChernyCode --skill code-simplifier -a codex`. Or copy the skill folder (claude_personal_skills/code-simplifier in meleantonio/ChernyCode) into .agents/skills/code-simplifier in your project. Codex loads it when a task matches its description.

Can I use Code Simplifier 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 meleantonio/ChernyCode --skill code-simplifier -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/code-simplifier, .gemini/skills/code-simplifier, .github/skills/code-simplifier and .opencode/skills/code-simplifier in your project.

What does Code Simplifier need to run?

Going by SKILL.md and its folder, Code Simplifier needs the command-line tools its instructions call (ruff). Our summary lists: Python 3.

Does Code Simplifier 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 Code Simplifier 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 Code Simplifier use?

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

How many tokens does Code Simplifier use?

About 604 tokens (SKILL.md is roughly 2.4k 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 Code Simplifier?

Skills that share tags, products or a category with Code Simplifier: Code Simplifier (getsentry/skills, 1k stars), Code Refiner (Mathews-Tom/armory, 327 stars), Rnd Code Simplify (chendongqi/OPB-Skills, 125 stars) and Code Simplifier (pproenca/dot-skills, 214 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Code Simplifier?

meleantonio (a GitHub user) maintains it in meleantonio/ChernyCode, which has 516 GitHub stars. The repository holds 7 skills in this directory. The repository was last updated on August 23, 2026.

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