Code Review Checklist
shareAI-lab/learn-claude-code
Reviews code against a five-part checklist covering security, correctness, performance, maintainability and testing, and reports findings in a fixed format.
Rob Pike's 5 Rules of Programming — a decision framework that prevents premature optimization and enforces measurement-driven development.
Install Rob Pike
$ npx skills add tmdgusya/engineering-discipline --skill rob-pike -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install tmdgusya/engineering-discipline rob-pike --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/tmdgusya/engineering-discipline.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/rob-pike .claude/skills/rob-pike && 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 "rob-pike" agent skill from https://github.com/tmdgusya/engineering-discipline/tree/main/skills/rob-pike into .claude/skills/rob-pike/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rob-pike", 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/tmdgusya/engineering-discipline/tree/main/skills/rob-pikeType 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 tmdgusya/engineering-discipline --skill rob-pike -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install tmdgusya/engineering-discipline rob-pike --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/tmdgusya/engineering-discipline.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/rob-pike .agents/skills/rob-pike && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "rob-pike" agent skill from https://github.com/tmdgusya/engineering-discipline/tree/main/skills/rob-pike into .agents/skills/rob-pike/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rob-pike", 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 tmdgusya/engineering-discipline --skill rob-pike -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install tmdgusya/engineering-discipline rob-pike --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/tmdgusya/engineering-discipline.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/rob-pike .cursor/skills/rob-pike && 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 "rob-pike" agent skill from https://github.com/tmdgusya/engineering-discipline/tree/main/skills/rob-pike into .cursor/skills/rob-pike/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rob-pike", 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/tmdgusya/engineering-discipline.git --path skills/rob-pike--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 tmdgusya/engineering-discipline --skill rob-pike -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install tmdgusya/engineering-discipline rob-pike --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/tmdgusya/engineering-discipline.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/rob-pike .gemini/skills/rob-pike && 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 "rob-pike" agent skill from https://github.com/tmdgusya/engineering-discipline/tree/main/skills/rob-pike into .gemini/skills/rob-pike/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rob-pike", 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 tmdgusya/engineering-discipline rob-pikeInstalls 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 tmdgusya/engineering-discipline --skill rob-pike -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/tmdgusya/engineering-discipline.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/rob-pike .github/skills/rob-pike && 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 "rob-pike" agent skill from https://github.com/tmdgusya/engineering-discipline/tree/main/skills/rob-pike into .github/skills/rob-pike/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rob-pike", 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 tmdgusya/engineering-discipline --skill rob-pike -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install tmdgusya/engineering-discipline rob-pike --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/tmdgusya/engineering-discipline.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/rob-pike .opencode/skills/rob-pike && 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 "rob-pike" agent skill from https://github.com/tmdgusya/engineering-discipline/tree/main/skills/rob-pike into .opencode/skills/rob-pike/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "rob-pike", 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
rob-pike- GitHub stars
- 125
- Token cost
- ~1.2k tokens
- SKILL.md length
- 632 words
- Files
- 1
- Skills in repo
- 11
- Repo updated
- First seen
- Licence
- None found
At a glance
Rob Pike's 5 Rules of Programming — a decision framework that prevents premature optimization and enforces measurement-driven development.
- Works in 2 steps: Check for Existing Instrumentation → Ask the Measurement Questions
- The user says optimize
- SKILL.md covers The Rules and How to Apply
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Rob Pike is an agent skill from tmdgusya/engineering-discipline. Rob Pike's 5 Rules of Programming — a decision framework that prevents premature optimization and enforces measurement-driven development. Use when the user says "optimize", "slow", "performance", "bottleneck", "speed up", "make faster", "too slow", or any request to improve code speed/efficiency. Also use when you notice yourself about to suggest a performance optimization without measurement data. This is a thinking discipline, not a tooling workflow.
Its SKILL.md is about 1.2k 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 Performance optimization. The repository describes itself as: SKILL for engineering-discipline.
When your agent uses it
- The user says optimize
- Any request to improve code speed/efficiency
- You notice yourself about to suggest a performance optimization without measurement data
Example prompts
- “optimize”
- “performance”
- “bottleneck”
- “/rob-pike”
Workflow steps
2 steps, taken from the step headings in SKILL.md.
- Check for Existing Instrumentation
- Ask the Measurement Questions
What it can do on your machine
Read from SKILL.md and the folder at commit 137dead. 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
Rob Pike loads about 1.2k tokens when it runs. Until then it costs about 117 tokens; SKILL.md has 632 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
Without a licence we can't republish the file, so here is its outline and opening line. It has 632 words (~1,170 tokens).
“Before asking "have you measured?", determine whether measurement is even possible right now.”
- name
- rob-pike
Files
Just SKILL.md in skills/rob-pike of tmdgusya/engineering-discipline.
Open the folder on GitHubat commit 137dead
Compare with similar skills
Rob Pike 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 |
|---|---|---|---|---|---|---|
| Rob Pike this skilltmdgusya/engineering-discipline | 125 | — | ~1.2k | Automated safety check: Pass | None | |
| Code Review ChecklistshareAI-lab/learn-claude-code | 78k | 4 repos | ~1.1k | Automated safety check: Pass | MIT | |
| LLM Torch Profiler Analysissgl-project/sglang | 37k | 2 repos | ~6.4k | Automated safety check: Pass | Apache-2.0 | |
| Pycrazyguitar/pysheeet | 8.2k | — | ~886 | Automated safety check: Pass | MIT | |
| Cmux Debugging Guidemanaflow-ai/cmux | 28k | 1 repos | ~1.1k | Automated safety check: Pass | Custom licence | |
| Analyzing .NET Performancedotnet/skills | 5.6k | 3 repos | ~3.1k | Automated safety check: Pass | MIT |
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Related
Categories
Questions about Rob Pike
What does Rob Pike do?
Rob Pike's 5 Rules of Programming — a decision framework that prevents premature optimization and enforces measurement-driven development. Rob Pike is an agent skill from tmdgusya/engineering-discipline. Rob Pike's 5 Rules of Programming — a decision framework that prevents premature optimization and enforces measurement-driven development.
When should I use Rob Pike?
Rob Pike fits situations like: the user says optimize; any request to improve code speed/efficiency; you notice yourself about to suggest a performance optimization without measurement data.
How do I install Rob Pike in Claude Code?
Run `npx skills add tmdgusya/engineering-discipline --skill rob-pike -a claude-code`. Or copy the skill folder (skills/rob-pike in tmdgusya/engineering-discipline) into .claude/skills/rob-pike in your project. Claude Code loads it when a task matches its description.
How do I install Rob Pike in Codex?
Run `npx skills add tmdgusya/engineering-discipline --skill rob-pike -a codex`. Or copy the skill folder (skills/rob-pike in tmdgusya/engineering-discipline) into .agents/skills/rob-pike in your project. Codex loads it when a task matches its description.
Can I use Rob Pike 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 tmdgusya/engineering-discipline --skill rob-pike -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/rob-pike, .gemini/skills/rob-pike, .github/skills/rob-pike and .opencode/skills/rob-pike in your project.
What does Rob Pike need to run?
SKILL.md names no scripts, command-line tools or credentials: Rob Pike is instructions for the agent only.
Does Rob Pike 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 Rob Pike 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 Rob Pike use?
No licence was found for Rob Pike or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Rob Pike use?
About 1.2k tokens (SKILL.md is roughly 4.7k 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 Rob Pike?
Skills that share tags, products or a category with Rob Pike: Code Review Checklist (shareAI-lab/learn-claude-code, 78k stars), LLM Torch Profiler Analysis (sgl-project/sglang, 37k stars), Py (crazyguitar/pysheeet, 8.2k stars) and Cmux Debugging Guide (manaflow-ai/cmux, 28k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Rob Pike?
tmdgusya (a GitHub user) maintains it in tmdgusya/engineering-discipline, which has 125 GitHub stars. The repository holds 11 skills in this directory. The repository was last updated on July 3, 2026.
Source: tmdgusya/engineering-discipline on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.