Ponytail
DavidObando/gsharp
Forces the laziest solution that actually works, simplest, shortest, most minimal.
Final simplification pass over recently changed code without changing behavior.
Install Code Simplifier
$ npx skills add caarlos0/dotfiles --skill code-simplifier -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install caarlos0/dotfiles code-simplifier --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/caarlos0/dotfiles.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/code-simplifier .claude/skills/code-simplifier && rm -rf skills-srcUse ~/.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/
Install the "code-simplifier" agent skill from https://github.com/caarlos0/dotfiles/tree/main/skills/code-simplifier into .claude/skills/code-simplifier/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-simplifier", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/caarlos0/dotfiles/tree/main/skills/code-simplifierType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add caarlos0/dotfiles --skill code-simplifier -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install caarlos0/dotfiles code-simplifier --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/caarlos0/dotfiles.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/code-simplifier .agents/skills/code-simplifier && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "code-simplifier" agent skill from https://github.com/caarlos0/dotfiles/tree/main/skills/code-simplifier into .agents/skills/code-simplifier/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-simplifier", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add caarlos0/dotfiles --skill code-simplifier -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install caarlos0/dotfiles code-simplifier --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/caarlos0/dotfiles.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/code-simplifier .cursor/skills/code-simplifier && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "code-simplifier" agent skill from https://github.com/caarlos0/dotfiles/tree/main/skills/code-simplifier into .cursor/skills/code-simplifier/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-simplifier", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/caarlos0/dotfiles.git --path skills/code-simplifier--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add caarlos0/dotfiles --skill code-simplifier -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install caarlos0/dotfiles code-simplifier --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/caarlos0/dotfiles.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/code-simplifier .gemini/skills/code-simplifier && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "code-simplifier" agent skill from https://github.com/caarlos0/dotfiles/tree/main/skills/code-simplifier into .gemini/skills/code-simplifier/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-simplifier", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install caarlos0/dotfiles code-simplifierInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add caarlos0/dotfiles --skill code-simplifier -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/caarlos0/dotfiles.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/code-simplifier .github/skills/code-simplifier && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "code-simplifier" agent skill from https://github.com/caarlos0/dotfiles/tree/main/skills/code-simplifier into .github/skills/code-simplifier/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-simplifier", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add caarlos0/dotfiles --skill code-simplifier -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install caarlos0/dotfiles code-simplifier --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/caarlos0/dotfiles.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/code-simplifier .opencode/skills/code-simplifier && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "code-simplifier" agent skill from https://github.com/caarlos0/dotfiles/tree/main/skills/code-simplifier into .opencode/skills/code-simplifier/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-simplifier", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
code-simplifier- GitHub stars
- 220
- Token cost
- ~485 tokens
- SKILL.md length
- 224 words
- Files
- 7
- Skills in repo
- 20
- Repo updated
- First seen
- Licence
- MIT
At a glance
Final simplification pass over recently changed code without changing behavior.
- Tasks that involve Code simplification
- SKILL.md covers Scope and Pass
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Tasks that involve Refactoring
What it does
Code Simplifier is an agent skill from caarlos0/dotfiles. Final simplification pass over recently changed code without changing behavior. Use after implementation or when explicitly asked to simplify, clean up, or refactor.
Its SKILL.md is about 490 tokens, which your agent loads only when the skill is triggered. The skill folder holds 7 other files (for example `languages/css.md`, `languages/go.md` and `languages/javascript.md`).
It sits in Development, covering Code simplification and Refactoring. The licence is MIT.
When your agent uses it
- Tasks that involve Code simplification
- Tasks that involve Refactoring
Example prompts
- “/code-simplifier”
What it can do on your machine
Read from SKILL.md and the folder at commit 278c761. 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
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 485 tokens when it runs. Until then it costs about 45 tokens; SKILL.md has 224 words of instructions outside code blocks.
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
The full file from caarlos0/dotfiles at commit 278c761, republished under its MIT licence (© caarlos0). 224 words, ~485 tokens.
Download SKILL.mdSave it as
.claude/skills/code-simplifier/SKILL.md (or your agent's skills folder). This skill also uses 6 other files; get the full folder from GitHub.- name
- code-simplifier
- description
- Final simplification pass over recently changed code without changing behavior. Use after implementation or when explicitly asked to simplify, clean up, or refactor.
Code Simplifier
Run after the behavior is correct. Repository instructions and correctness or language specialists take precedence; output-style skills affect presentation only.
Scope
Inspect only the current change against its base. Follow references outside the diff only to remove code orphaned by this change or text made false by it.
Read repository instructions and the matching guide under languages/:
- TypeScript:
languages/typescript.md - JavaScript:
languages/javascript.md - Go:
languages/go.md - Rust:
languages/rust.md - Python:
languages/python.md - CSS:
languages/css.md
Pass
- Preserve APIs, signatures, outputs, and behavior.
- Remove unnecessary indirection, one-use abstractions, repeated branches, and comments that restate code.
- Prefer clear statements over clever expressions.
- Keep small intentional duplication when extraction would obscure behavior.
- Use the standard library instead of adding a dependency.
- Keep visibility private unless callers require otherwise.
- Update comments, docs, errors, and names made false by the change.
- Search the repository before deleting apparently unused code; account for tests, registration, reflection, configuration keys, and public consumers.
- Update tests only when needed to preserve coverage after a legitimate refactor. Do not weaken assertions or alter expected behavior.
Do not reorder imports, mix unrelated cleanup into the diff, or redesign a working API. If simplification materially expands the diff, leave the code alone and explain why.
Use validation already run for the implementation. Run an additional targeted check only when this pass changes something not covered by it. Never stage or commit.
© caarlos0, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 6 other files in skills/code-simplifier of caarlos0/dotfiles.
- SKILL.md
- languages/css.md
- languages/go.md
- languages/javascript.md
- languages/python.md
- languages/rust.md
- languages/typescript.md
Open the folder on GitHubat commit 278c761
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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Code Simplifier this skillcaarlos0/dotfiles | 220 | — | ~485 | Automated safety check: Pass | MIT | |
| PonytailDavidObando/gsharp | 564 | 8 repos | ~1.7k | Automated safety check: Pass | MIT | |
| Code Simplification for ego-litecitrolabs/ego-lite | 17k | — | ~1.2k | Automated safety check: Pass | MIT | |
| Refactor Pass for Simplicitystar-history/star-history | 9.6k | 1 repos | ~168 | Automated safety check: Pass | MIT | |
| RTK Rust Code Simplifierrtk-ai/rtk | 83k | — | ~1.1k | Automated safety check: Pass | Apache-2.0 | |
| Deslopmillionco/react-doctor | 15k | — | ~1.2k | Automated safety check: Pass | Custom licence |
Similar skills
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.
Refactor Pass for Simplicity
star-history/star-history
Perform a refactor pass focused on simplicity after recent changes. Use when the user asks for a refactor/cleanup pass, simplification, or dead-code removal…
RTK Rust Code Simplifier
rtk-ai/rtk
Reviews RTK's Rust code for over-engineering and verbose patterns, applying idioms like iterator chains and early returns while protecting a specific list of constraints from being simplified away.
Deslop
millionco/react-doctor
Simplify and refine recently modified code while preserving functionality.
Simplify Codebase
tt-a1i/simplify-codebase
Simplification audit or authorized codebase simplification whose stated objective is to remove accidental complexity.
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Related
Categories
Questions about Code Simplifier
What does Code Simplifier do?
Final simplification pass over recently changed code without changing behavior. Code Simplifier is an agent skill from caarlos0/dotfiles. Final simplification pass over recently changed code without changing behavior.
When should I use Code Simplifier?
Code Simplifier fits situations like: tasks that involve Code simplification; tasks that involve Refactoring.
How do I install Code Simplifier in Claude Code?
Run `npx skills add caarlos0/dotfiles --skill code-simplifier -a claude-code`. Or copy the skill folder (skills/code-simplifier in caarlos0/dotfiles) 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 caarlos0/dotfiles --skill code-simplifier -a codex`. Or copy the skill folder (skills/code-simplifier in caarlos0/dotfiles) 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 caarlos0/dotfiles --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?
SKILL.md names no scripts, command-line tools or credentials: Code Simplifier is instructions for the agent only.
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?
Code Simplifier is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Code Simplifier use?
About 485 tokens (SKILL.md is roughly 1.9k 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: Ponytail (DavidObando/gsharp, 564 stars), Code Simplification for ego-lite (citrolabs/ego-lite, 17k stars), Refactor Pass for Simplicity (star-history/star-history, 9.6k stars) and RTK Rust Code Simplifier (rtk-ai/rtk, 83k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Code Simplifier?
caarlos0 (a GitHub user) maintains it in caarlos0/dotfiles, which has 220 GitHub stars. The repository holds 20 skills in this directory. The repository was last updated on October 7, 2026.
Source: caarlos0/dotfiles on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.