Guidelines
akash-network/node
Behavioral guidelines to reduce common LLM coding mistakes. An agent skill from akash-network/node.
Apply Refactoring.Guru-inspired rules when diagnosing code smells, choosing refactoring techniques, and stopping cleanup before uncontrolled redesign.
Install Refactoring Guru
$ npx skills add ciembor/agent-rules-books --skill refactoring-guru -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install ciembor/agent-rules-books refactoring-guru --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/ciembor/agent-rules-books.git skills-src && mkdir -p .claude/skills && cp -r skills-src/refactoring-guru .claude/skills/refactoring-guru && 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 "refactoring-guru" agent skill from https://github.com/ciembor/agent-rules-books/tree/main/refactoring-guru into .claude/skills/refactoring-guru/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "refactoring-guru", 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/ciembor/agent-rules-books/tree/main/refactoring-guruType 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 ciembor/agent-rules-books --skill refactoring-guru -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install ciembor/agent-rules-books refactoring-guru --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ciembor/agent-rules-books.git skills-src && mkdir -p .agents/skills && cp -r skills-src/refactoring-guru .agents/skills/refactoring-guru && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "refactoring-guru" agent skill from https://github.com/ciembor/agent-rules-books/tree/main/refactoring-guru into .agents/skills/refactoring-guru/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "refactoring-guru", 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 ciembor/agent-rules-books --skill refactoring-guru -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install ciembor/agent-rules-books refactoring-guru --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ciembor/agent-rules-books.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/refactoring-guru .cursor/skills/refactoring-guru && 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 "refactoring-guru" agent skill from https://github.com/ciembor/agent-rules-books/tree/main/refactoring-guru into .cursor/skills/refactoring-guru/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "refactoring-guru", 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/ciembor/agent-rules-books.git --path refactoring-guru--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 ciembor/agent-rules-books --skill refactoring-guru -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install ciembor/agent-rules-books refactoring-guru --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ciembor/agent-rules-books.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/refactoring-guru .gemini/skills/refactoring-guru && 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 "refactoring-guru" agent skill from https://github.com/ciembor/agent-rules-books/tree/main/refactoring-guru into .gemini/skills/refactoring-guru/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "refactoring-guru", 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 ciembor/agent-rules-books refactoring-guruInstalls 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 ciembor/agent-rules-books --skill refactoring-guru -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/ciembor/agent-rules-books.git skills-src && mkdir -p .github/skills && cp -r skills-src/refactoring-guru .github/skills/refactoring-guru && 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 "refactoring-guru" agent skill from https://github.com/ciembor/agent-rules-books/tree/main/refactoring-guru into .github/skills/refactoring-guru/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "refactoring-guru", 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 ciembor/agent-rules-books --skill refactoring-guru -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install ciembor/agent-rules-books refactoring-guru --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ciembor/agent-rules-books.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/refactoring-guru .opencode/skills/refactoring-guru && 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 "refactoring-guru" agent skill from https://github.com/ciembor/agent-rules-books/tree/main/refactoring-guru into .opencode/skills/refactoring-guru/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "refactoring-guru", 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
refactoring-guru- GitHub stars
- 2.9k
- Token cost
- ~170 tokens
- SKILL.md length
- 54 words
- Files
- 4
- Skills in repo
- 14
- Repo updated
- First seen
- Licence
- MIT
At a glance
Apply Refactoring.Guru-inspired rules when diagnosing code smells, choosing refactoring techniques, and stopping cleanup before uncontrolled redesign.
- Tasks that involve Refactoring
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Refactoring Guru is an agent skill from ciembor/agent-rules-books. Apply Refactoring.Guru-inspired rules when diagnosing code smells, choosing refactoring techniques, and stopping cleanup before uncontrolled redesign.
Its SKILL.md is about 170 tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files (for example `refactoring-guru.md`, `refactoring-guru.mini.md` and `refactoring-guru.nano.md`).
It sits in Development, covering Refactoring. The repository describes itself as: AGENTS.md rules / skills for AI coding agents: Codex, Cursor & Claude Code. Inspired by Clean Code, Refactoring, DDD, Clean Architecture and DDIA programming books. The licence is MIT.
When your agent uses it
- Tasks that involve Refactoring
Example prompts
- “/refactoring-guru”
What it can do on your machine
Read from SKILL.md and the folder at commit 893a88a. 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
Refactoring Guru loads about 170 tokens when it runs. Until then it costs about 42 tokens; SKILL.md has 54 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 ciembor/agent-rules-books at commit 893a88a, republished under its MIT licence (© ciembor). 54 words, ~170 tokens.
Download SKILL.mdSave it as
.claude/skills/refactoring-guru/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.- name
- refactoring-guru
- description
- Apply Refactoring.Guru-inspired rules when diagnosing code smells, choosing refactoring techniques, and stopping cleanup before uncontrolled redesign.
- license
- MIT
Refactoring.Guru Skill
Use this skill when a task involves diagnosing smells, choosing targeted refactoring treatments, preserving behavior, applying a refactoring catalog, or avoiding uncontrolled redesign.
Before making design or code decisions, read and apply refactoring-guru.mini.md. Use refactoring-guru.md only as a deeper reference when the mini rules are not enough for the current refactoring tradeoff.
© ciembor, 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 3 other files in refactoring-guru of ciembor/agent-rules-books.
- SKILL.md
- refactoring-guru.md
- refactoring-guru.mini.md
- refactoring-guru.nano.md
Open the folder on GitHubat commit 893a88a
Compare with similar skills
Refactoring Guru 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 |
|---|---|---|---|---|---|---|
| Refactoring Guru this skillciembor/agent-rules-books | 2.9k | — | ~170 | Automated safety check: Pass | MIT | |
| Guidelinesakash-network/node | 1.1k | 22 repos | ~577 | Automated safety check: Pass | MIT | |
| Component Refactoringlangflow-ai/langflow | 156k | — | ~3.5k | Automated safety check: Pass | MIT | |
| Migrate Core Code to Submodulestinyhumansai/openhuman | 42k | — | ~2.6k | Automated safety check: Pass | GPL-3.0 | |
| Systematic Code Refactoringluongnv89/claude-howto | 42k | — | ~3k | Automated safety check: Pass | MIT | |
| Codexskills-directory/skill-codex | 1.5k | 3 repos | ~1.8k | Automated safety check: Pass | MIT |
Similar skills
Component Refactoring
langflow-ai/langflow
Refactor high-complexity React components in Langflow frontend.
Migrate Core Code to Submodules
tinyhumansai/openhuman
Plans and carries out moving non-host-specific code and its tests from the OpenHuman core into vendored tiny submodule libraries, then releases the submodule and re-pins the host.
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.
Codex
skills-directory/skill-codex
A skill your agent uses when the user asks to run Codex CLI (codex exec, codex resume) or references OpenAI Codex for code analysis, refactoring, or automated editing
Ponytail
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Forces the laziest solution that actually works, simplest, shortest, most minimal.
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Questions about Refactoring Guru
What does Refactoring Guru do?
Apply Refactoring.Guru-inspired rules when diagnosing code smells, choosing refactoring techniques, and stopping cleanup before uncontrolled redesign. Refactoring Guru is an agent skill from ciembor/agent-rules-books.Guru-inspired rules when diagnosing code smells, choosing refactoring techniques, and stopping cleanup before uncontrolled redesign.
When should I use Refactoring Guru?
Refactoring Guru fits situations like: tasks that involve Refactoring.
How do I install Refactoring Guru in Claude Code?
Run `npx skills add ciembor/agent-rules-books --skill refactoring-guru -a claude-code`. Or copy the skill folder (refactoring-guru in ciembor/agent-rules-books) into .claude/skills/refactoring-guru in your project. Claude Code loads it when a task matches its description.
How do I install Refactoring Guru in Codex?
Run `npx skills add ciembor/agent-rules-books --skill refactoring-guru -a codex`. Or copy the skill folder (refactoring-guru in ciembor/agent-rules-books) into .agents/skills/refactoring-guru in your project. Codex loads it when a task matches its description.
Can I use Refactoring Guru 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 ciembor/agent-rules-books --skill refactoring-guru -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/refactoring-guru, .gemini/skills/refactoring-guru, .github/skills/refactoring-guru and .opencode/skills/refactoring-guru in your project.
What does Refactoring Guru need to run?
SKILL.md names no scripts, command-line tools or credentials: Refactoring Guru is instructions for the agent only.
Does Refactoring Guru 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 Refactoring Guru 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 Refactoring Guru use?
Refactoring Guru is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Refactoring Guru use?
About 170 tokens (SKILL.md is roughly 680 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 Refactoring Guru?
Skills that share tags, products or a category with Refactoring Guru: Guidelines (akash-network/node, 1.1k stars), Component Refactoring (langflow-ai/langflow, 156k stars), Migrate Core Code to Submodules (tinyhumansai/openhuman, 42k stars) and Systematic Code Refactoring (luongnv89/claude-howto, 42k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Refactoring Guru?
ciembor (a GitHub user) maintains it in ciembor/agent-rules-books, which has 2,927 GitHub stars. The repository holds 14 skills in this directory. The repository was last updated on September 10, 2026.
Source: ciembor/agent-rules-books on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.