Solid
ramziddin/solid-skills
A skill your agent uses when writing code, implementing features, refactoring, planning architecture, designing systems, reviewing code, or debugging.
Clean-code engineering standards for writing, refactoring, and reviewing code in any programming language.
Install Clean Code
$ npx skills add superplanehq/superplane --skill clean-code -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install superplanehq/superplane clean-code --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/superplanehq/superplane.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/clean-code .claude/skills/clean-code && 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 "clean-code" agent skill from https://github.com/superplanehq/superplane/tree/main/.agents/skills/clean-code into .claude/skills/clean-code/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clean-code", 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/superplanehq/superplane/tree/main/.agents/skills/clean-codeType 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 superplanehq/superplane --skill clean-code -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install superplanehq/superplane clean-code --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/superplanehq/superplane.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/clean-code .agents/skills/clean-code && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "clean-code" agent skill from https://github.com/superplanehq/superplane/tree/main/.agents/skills/clean-code into .agents/skills/clean-code/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clean-code", 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 superplanehq/superplane --skill clean-code -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install superplanehq/superplane clean-code --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/superplanehq/superplane.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/clean-code .cursor/skills/clean-code && 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 "clean-code" agent skill from https://github.com/superplanehq/superplane/tree/main/.agents/skills/clean-code into .cursor/skills/clean-code/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clean-code", 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/superplanehq/superplane.git --path .agents/skills/clean-code--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 superplanehq/superplane --skill clean-code -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install superplanehq/superplane clean-code --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/superplanehq/superplane.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/clean-code .gemini/skills/clean-code && 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 "clean-code" agent skill from https://github.com/superplanehq/superplane/tree/main/.agents/skills/clean-code into .gemini/skills/clean-code/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clean-code", 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 superplanehq/superplane clean-codeInstalls 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 superplanehq/superplane --skill clean-code -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/superplanehq/superplane.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/clean-code .github/skills/clean-code && 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 "clean-code" agent skill from https://github.com/superplanehq/superplane/tree/main/.agents/skills/clean-code into .github/skills/clean-code/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clean-code", 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 superplanehq/superplane --skill clean-code -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install superplanehq/superplane clean-code --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/superplanehq/superplane.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/clean-code .opencode/skills/clean-code && 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 "clean-code" agent skill from https://github.com/superplanehq/superplane/tree/main/.agents/skills/clean-code into .opencode/skills/clean-code/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clean-code", 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
clean-code- GitHub stars
- 7.7k
- Token cost
- ~1.5k tokens
- SKILL.md length
- 782 words
- Files
- 2
- Skills in repo
- 10
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Clean-code engineering standards for writing, refactoring, and reviewing code in any programming language.
- Works in 12 steps: Leave the code cleaner → Optimize for readers → Use strong names → …
- Asks to write clean code
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Follow clean-code principles
What it does
Clean Code is an agent skill from superplanehq/superplane. Clean-code engineering standards for writing, refactoring, and reviewing code in any programming language. Use this whenever the user asks to write clean code, follow clean-code principles, refactor for clarity, improve naming, reduce complexity or duplication, separate concerns, tighten error handling, work test-first or do TDD, or otherwise raise code quality, readability, and maintainability. Apply these rules by default when producing or changing code for a quality-conscious user.
Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `reference.md`).
It sits in Development, covering Code quality, Test-driven development and Refactoring. The repository describes itself as: Open source factory for one-shot engineering.
When your agent uses it
- Asks to write clean code
- Follow clean-code principles
- Refactor for clarity
- Reduce complexity
Example prompts
- “/clean-code”
Workflow steps
12 steps, taken from the step headings in SKILL.md.
- Leave the code cleaner
- Optimize for readers
- Use strong names
- Keep methods small and focused
- Keep abstraction levels separate
- Make side effects explicit
- Control conditionals
- Treat errors as design
- Keep modules and classes cohesive
- Remove duplication at the right level
- Work test-first
- Refactor while you work
What it can do on your machine
Read from SKILL.md and the folder at commit b877f43. 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
Clean Code loads about 1.5k tokens when it runs. Until then it costs about 125 tokens; SKILL.md has 782 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
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 782 words (~1,525 tokens).
“These are mandatory engineering standards for any code you write, change, or review while this skill is active. They are language-agnostic: apply them in whatever language the project uses, respecting that language's idioms.”
- name
- clean-code
Files
SKILL.md and 1 other file in .agents/skills/clean-code of superplanehq/superplane.
- SKILL.md
- reference.md
Open the folder on GitHubat commit b877f43
Compare with similar skills
Clean Code 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 |
|---|---|---|---|---|---|---|
| Clean Code this skillsuperplanehq/superplane | 7.7k | — | ~1.5k | Automated safety check: Pass | Custom licence | |
| Solidramziddin/solid-skills | 606 | — | ~2.7k | Automated safety check: Pass | None | |
| Clean Codeoperately/operately | 576 | — | ~2.3k | Automated safety check: Pass | Custom licence | |
| Systematic Code Refactoringluongnv89/claude-howto | 42k | — | ~3k | Automated safety check: Pass | MIT | |
| Dignified Python Standardsdocling-project/docling | 68k | — | ~1.5k | Automated safety check: Pass | Apache-2.0 | |
| Clean Code GuardamElnagdy/guard-skills | 1.3k | 2 repos | ~4.3k | Automated safety check: Pass | MIT |
Similar skills
Clean Code
operately/operately
Clean-code engineering standards for writing, refactoring, and reviewing code in any programming language.
Systematic Code Refactoring
luongnv89/claude-howto
Guides refactoring in phases based on Martin Fowler's method: research, test coverage check, planning and small tested steps, with your approval at each phase.
Dignified Python Standards
docling-project/docling
Applies opinionated production Python conventions chosen by the project's Python version: modern type syntax, pathlib, explicit checks and interface guidance.
Clean Code Guard
amElnagdy/guard-skills
Reviews generated or changed production code against Clean Code, SOLID, DRY, KISS, YAGNI and LLM-specific failure modes before it ships, in any language.
Code Refactoring Workflow
luongnv89/claude-howto
Guides systematic, test-backed refactoring in the style of Martin Fowler, moving through research, planning and small incremental changes with your approval at each phase.
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Related
Categories
Questions about Clean Code
What does Clean Code do?
Clean-code engineering standards for writing, refactoring, and reviewing code in any programming language. Clean Code is an agent skill from superplanehq/superplane. Clean-code engineering standards for writing, refactoring, and reviewing code in any programming language.
When should I use Clean Code?
Clean Code fits situations like: asks to write clean code; follow clean-code principles; refactor for clarity; reduce complexity.
How do I install Clean Code in Claude Code?
Run `npx skills add superplanehq/superplane --skill clean-code -a claude-code`. Or copy the skill folder (.agents/skills/clean-code in superplanehq/superplane) into .claude/skills/clean-code in your project. Claude Code loads it when a task matches its description.
How do I install Clean Code in Codex?
Run `npx skills add superplanehq/superplane --skill clean-code -a codex`. Or copy the skill folder (.agents/skills/clean-code in superplanehq/superplane) into .agents/skills/clean-code in your project. Codex loads it when a task matches its description.
Can I use Clean Code 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 superplanehq/superplane --skill clean-code -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/clean-code, .gemini/skills/clean-code, .github/skills/clean-code and .opencode/skills/clean-code in your project.
What does Clean Code need to run?
SKILL.md names no scripts, command-line tools or credentials: Clean Code is instructions for the agent only.
Does Clean Code 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 Clean Code 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 Clean Code use?
Clean Code 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 Clean Code use?
About 1.5k tokens (SKILL.md is roughly 6.1k 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 Clean Code?
Skills that share tags, products or a category with Clean Code: Solid (ramziddin/solid-skills, 606 stars), Clean Code (operately/operately, 576 stars), Systematic Code Refactoring (luongnv89/claude-howto, 42k stars) and Dignified Python Standards (docling-project/docling, 68k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Clean Code?
superplanehq (a GitHub organization) maintains it in superplanehq/superplane, which has 7,711 GitHub stars. The repository holds 10 skills in this directory. The repository was last updated on October 7, 2026.
Source: superplanehq/superplane on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.