Code Reviewer
jewbetcha/opentrace
Comprehensive code review skill for TypeScript, JavaScript, Python, Swift, Kotlin, Go.
Code review automation for TypeScript, JavaScript, Python, Go, Swift, Kotlin.
Install Code Reviewer
$ npx skills add LeoYeAI/openclaw-master-skills --skill code-reviewer -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install LeoYeAI/openclaw-master-skills code-reviewer --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/LeoYeAI/openclaw-master-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/code-reviewer-2 .claude/skills/code-reviewer && 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-reviewer" agent skill from https://github.com/LeoYeAI/openclaw-master-skills/tree/main/skills/code-reviewer-2 into .claude/skills/code-reviewer/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-reviewer", 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/LeoYeAI/openclaw-master-skills/tree/main/skills/code-reviewer-2Type 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 LeoYeAI/openclaw-master-skills --skill code-reviewer -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install LeoYeAI/openclaw-master-skills code-reviewer --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/LeoYeAI/openclaw-master-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/code-reviewer-2 .agents/skills/code-reviewer && 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-reviewer" agent skill from https://github.com/LeoYeAI/openclaw-master-skills/tree/main/skills/code-reviewer-2 into .agents/skills/code-reviewer/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-reviewer", 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 LeoYeAI/openclaw-master-skills --skill code-reviewer -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install LeoYeAI/openclaw-master-skills code-reviewer --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/LeoYeAI/openclaw-master-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/code-reviewer-2 .cursor/skills/code-reviewer && 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-reviewer" agent skill from https://github.com/LeoYeAI/openclaw-master-skills/tree/main/skills/code-reviewer-2 into .cursor/skills/code-reviewer/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-reviewer", 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/LeoYeAI/openclaw-master-skills.git --path skills/code-reviewer-2--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 LeoYeAI/openclaw-master-skills --skill code-reviewer -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install LeoYeAI/openclaw-master-skills code-reviewer --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/LeoYeAI/openclaw-master-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/code-reviewer-2 .gemini/skills/code-reviewer && 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-reviewer" agent skill from https://github.com/LeoYeAI/openclaw-master-skills/tree/main/skills/code-reviewer-2 into .gemini/skills/code-reviewer/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-reviewer", 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 LeoYeAI/openclaw-master-skills code-reviewerInstalls 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 LeoYeAI/openclaw-master-skills --skill code-reviewer -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/LeoYeAI/openclaw-master-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/code-reviewer-2 .github/skills/code-reviewer && 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-reviewer" agent skill from https://github.com/LeoYeAI/openclaw-master-skills/tree/main/skills/code-reviewer-2 into .github/skills/code-reviewer/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-reviewer", 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 LeoYeAI/openclaw-master-skills --skill code-reviewer -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install LeoYeAI/openclaw-master-skills code-reviewer --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/LeoYeAI/openclaw-master-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/code-reviewer-2 .opencode/skills/code-reviewer && 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-reviewer" agent skill from https://github.com/LeoYeAI/openclaw-master-skills/tree/main/skills/code-reviewer-2 into .opencode/skills/code-reviewer/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-reviewer", 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-reviewer- GitHub stars
- 2.2k
- Used in
- 1 other repo
- Token cost
- ~1.2k tokens
- SKILL.md length
- 368 words
- Files
- 8 (incl. scripts, references)
- Skills in repo
- 1,215
- Repo updated
- First seen
- Licence
- MIT
At a glance
Code review automation for TypeScript, JavaScript, Python, Go, Swift, Kotlin.
- Reviewing pull requests
- SKILL.md covers Table of Contents, Tools, Reference Guides and Languages Supported
- Runs Python scripts from its folder; calls python
- Analyzing code quality
What it does
Code Reviewer is an agent skill from LeoYeAI/openclaw-master-skills. Code review automation for TypeScript, JavaScript, Python, Go, Swift, Kotlin. Analyzes PRs for complexity and risk, checks code quality for SOLID violations and code smells, generates review reports. Use when reviewing pull requests, analyzing code quality, identifying issues, generating review checklists.
Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 9 other files, including scripts and reference files (for example `_meta.json`, `references/code_review_checklist.md` and `references/coding_standards.md`).
It sits in Development, covering Code review, Code quality and Pull requests. It works with TypeScript, JavaScript, Kotlin and Python. The repository describes itself as: 🧠 Curated collection of 1209+ best OpenClaw skills — weekly updated by MyClaw.ai. The licence is MIT.
When your agent uses it
- Reviewing pull requests
- Analyzing code quality
- Identifying issues
- Generating review checklists
Example prompts
- “/code-reviewer”
Requirements
- Python 3
What it can do on your machine
Read from SKILL.md and the folder at commit e5199b5. 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
Ships 3 files in scripts/ (Python), which the agent can run.
Shell commands in SKILL.md call:
python
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 Reviewer loads about 1.2k tokens when it runs, and up to ~10k if it reads all its reference files. Until then it costs about 80 tokens; SKILL.md has 368 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); the scripts in this folder are not scanned.
SKILL.md
The full file from LeoYeAI/openclaw-master-skills at commit e5199b5, republished under its MIT licence (© LeoYeAI). 368 words, ~1,176 tokens.
Download SKILL.mdSave it as
.claude/skills/code-reviewer/SKILL.md (or your agent's skills folder). This skill also uses 7 other files; get the full folder from GitHub.- name
- code-reviewer
- description
- Code review automation for TypeScript, JavaScript, Python, Go, Swift, Kotlin. Analyzes PRs for complexity and risk, checks code quality for SOLID violations and code smells, generates review reports. Use when reviewing pull requests, analyzing code quality, identifying issues, generating review checklists.
Code Reviewer
Automated code review tools for analyzing pull requests, detecting code quality issues, and generating review reports.
Table of Contents
Tools
PR Analyzer
Analyzes git diff between branches to assess review complexity and identify risks.
# Analyze current branch against main
python scripts/pr_analyzer.py /path/to/repo
# Compare specific branches
python scripts/pr_analyzer.py . --base main --head feature-branch
# JSON output for integration
python scripts/pr_analyzer.py /path/to/repo --jsonWhat it detects:
- Hardcoded secrets (passwords, API keys, tokens)
- SQL injection patterns (string concatenation in queries)
- Debug statements (debugger, console.log)
- ESLint rule disabling
- TypeScript
anytypes - TODO/FIXME comments
Output includes:
- Complexity score (1-10)
- Risk categorization (critical, high, medium, low)
- File prioritization for review order
- Commit message validation
Code Quality Checker
Analyzes source code for structural issues, code smells, and SOLID violations.
# Analyze a directory
python scripts/code_quality_checker.py /path/to/code
# Analyze specific language
python scripts/code_quality_checker.py . --language python
# JSON output
python scripts/code_quality_checker.py /path/to/code --jsonWhat it detects:
- Long functions (>50 lines)
- Large files (>500 lines)
- God classes (>20 methods)
- Deep nesting (>4 levels)
- Too many parameters (>5)
- High cyclomatic complexity
- Missing error handling
- Unused imports
- Magic numbers
Thresholds:
| Issue | Threshold |
|---|---|
| Long function | >50 lines |
| Large file | >500 lines |
| God class | >20 methods |
| Too many params | >5 |
| Deep nesting | >4 levels |
| High complexity | >10 branches |
Review Report Generator
Combines PR analysis and code quality findings into structured review reports.
# Generate report for current repo
python scripts/review_report_generator.py /path/to/repo
# Markdown output
python scripts/review_report_generator.py . --format markdown --output review.md
# Use pre-computed analyses
python scripts/review_report_generator.py . \
--pr-analysis pr_results.json \
--quality-analysis quality_results.jsonReport includes:
- Review verdict (approve, request changes, block)
- Score (0-100)
- Prioritized action items
- Issue summary by severity
- Suggested review order
Verdicts:
| Score | Verdict |
|---|---|
| 90+ with no high issues | Approve |
| 75+ with ≤2 high issues | Approve with suggestions |
| 50-74 | Request changes |
| <50 or critical issues | Block |
Show full SKILL.md (139 more words)Show less
Reference Guides
Code Review Checklist
references/code_review_checklist.md
Systematic checklists covering:
- Pre-review checks (build, tests, PR hygiene)
- Correctness (logic, data handling, error handling)
- Security (input validation, injection prevention)
- Performance (efficiency, caching, scalability)
- Maintainability (code quality, naming, structure)
- Testing (coverage, quality, mocking)
- Language-specific checks
Coding Standards
references/coding_standards.md
Language-specific standards for:
- TypeScript (type annotations, null safety, async/await)
- JavaScript (declarations, patterns, modules)
- Python (type hints, exceptions, class design)
- Go (error handling, structs, concurrency)
- Swift (optionals, protocols, errors)
- Kotlin (null safety, data classes, coroutines)
Common Antipatterns
references/common_antipatterns.md
Antipattern catalog with examples and fixes:
- Structural (god class, long method, deep nesting)
- Logic (boolean blindness, stringly typed code)
- Security (SQL injection, hardcoded credentials)
- Performance (N+1 queries, unbounded collections)
- Testing (duplication, testing implementation)
- Async (floating promises, callback hell)
Languages Supported
| Language | Extensions |
|---|---|
| Python | .py |
| TypeScript | .ts, .tsx |
| JavaScript | .js, .jsx, .mjs |
| Go | .go |
| Swift | .swift |
| Kotlin | .kt, .kts |
© LeoYeAI, 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 7 other files (scripts, references) in skills/code-reviewer-2 of LeoYeAI/openclaw-master-skills.
- SKILL.md
- _meta.json
- references/code_review_checklist.md
- references/coding_standards.md
- references/common_antipatterns.md
- scripts/code_quality_checker.py
- scripts/pr_analyzer.py
- scripts/review_report_generator.py
Open the folder on GitHubat commit e5199b5
Used in 1 other repository
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 LeoYeAI/openclaw-master-skills, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Code Reviewer 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 Reviewer this skillLeoYeAI/openclaw-master-skills | 2.2k | 1 repos | ~1.2k | Automated safety check: Pass | MIT | |
| Code Reviewerjewbetcha/opentrace | 116 | 2 repos | ~1.1k | Automated safety check: Notes | MIT | |
| Code Reviewerborghei/Claude-Skills | 874 | — | ~1.7k | Automated safety check: Pass | MIT | |
| Coding Agentmastra-ai/mastra | 29k | — | ~2.3k | Automated safety check: Pass | Custom licence | |
| Code Revieweralirezarezvani/claude-skills | 28k | 1 repos | ~1.6k | Automated safety check: Pass | MIT | |
| Cross-Language Coding Standardszereight/gitlab-mcp | 2k | 1 repos | ~1.4k | Automated safety check: Pass | MIT |
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Cross-Language Coding Standards
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Shared reference for naming, function size, complexity and error handling rules that reviewer agents apply across TypeScript, Python, Go, Rust, Java, C# and Swift.
Algorithmic Complexity Review
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Algorithmic complexity (Big-O) review — finding nested loops, N+1 queries, exponential recursion, quadratic string builds, and other accidental complexity blowups.
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Works with
Categories
Questions about Code Reviewer
What does Code Reviewer do?
Code review automation for TypeScript, JavaScript, Python, Go, Swift, Kotlin. Code Reviewer is an agent skill from LeoYeAI/openclaw-master-skills. Code review automation for TypeScript, JavaScript, Python, Go, Swift, Kotlin.
When should I use Code Reviewer?
Code Reviewer fits situations like: reviewing pull requests; analyzing code quality; identifying issues; generating review checklists.
How do I install Code Reviewer in Claude Code?
Run `npx skills add LeoYeAI/openclaw-master-skills --skill code-reviewer -a claude-code`. Or copy the skill folder (skills/code-reviewer-2 in LeoYeAI/openclaw-master-skills) into .claude/skills/code-reviewer in your project. Claude Code loads it when a task matches its description.
How do I install Code Reviewer in Codex?
Run `npx skills add LeoYeAI/openclaw-master-skills --skill code-reviewer -a codex`. Or copy the skill folder (skills/code-reviewer-2 in LeoYeAI/openclaw-master-skills) into .agents/skills/code-reviewer in your project. Codex loads it when a task matches its description.
Can I use Code Reviewer 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 LeoYeAI/openclaw-master-skills --skill code-reviewer -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-reviewer, .gemini/skills/code-reviewer, .github/skills/code-reviewer and .opencode/skills/code-reviewer in your project.
What does Code Reviewer need to run?
Going by SKILL.md and its folder, Code Reviewer needs Python for the scripts in its folder and the command-line tools its instructions call (python). Our summary lists: Python 3.
Does Code Reviewer 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 Reviewer 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Code Reviewer use?
Code Reviewer 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 Reviewer 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. Its references folder adds about 9k tokens, read only when the agent opens those files.
What are the alternatives to Code Reviewer?
Skills that share tags, products or a category with Code Reviewer: Code Reviewer (jewbetcha/opentrace, 116 stars), Code Reviewer (borghei/Claude-Skills, 874 stars), Coding Agent (mastra-ai/mastra, 29k stars) and Code Reviewer (alirezarezvani/claude-skills, 28k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Code Reviewer?
LeoYeAI (a GitHub user) maintains it in LeoYeAI/openclaw-master-skills, which has 2,158 GitHub stars. The repository holds 1,215 skills in this directory. The repository was last updated on July 20, 2026.
Source: LeoYeAI/openclaw-master-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.