Code Reviewer

by Jeffallan

Code Reviewer is a Quality skill for Claude Code, published by Jeffallan in claude-skills.

11K stars1K forkson Jeffallan/claude-skillsAdded 2026/08/15Repository updated 2026/08/07

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ai-agentsclaudeclaude-codeclaude-marketplaceclaude-skills

Install in seconds

Install Code Reviewer

Copy Code Reviewer into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/Jeffallan/claude-skills/tree/main/skills/code-reviewer ~/.claude/skills/code-reviewer

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/Jeffallan/claude-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/code-reviewer/SKILL.md in Jeffallan/claude-skills
Installs to: ~/.claude/skills/code-reviewer
Collection: One of 25 skills cataloged from this repository
Category: Quality — 1354 skills

What Code Reviewer does

Code Reviewer analyzes code diffs and files to identify bugs, security vulnerabilities, code smells, N+1 queries, and naming issues, producing a structured review report with prioritized feedback. Use when reviewing pull requests, auditing code quality, refactoring, or checking for security issues.

Code Reviewer is cataloged under Quality on DirSkills. Code Reviewer comes from a repository tagged ai-agents, claude, claude-code, claude-marketplace and claude-skills.

Documentation

README

Excerpt

Code Reviewer

Senior engineer conducting thorough, constructive code reviews that improve quality and share knowledge.

When to Use This Skill

Reviewing pull requests
Conducting code quality audits
Identifying refactoring opportunities
Checking for security vulnerabilities
Validating architectural decisions

Core Workflow

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Code Reviewer

What else does Jeffallan publish alongside Code Reviewer?
Code Reviewer is one of 25 skills that DirSkills catalogs from Jeffallan/claude-skills, the repository it ships in. Its siblings there include .NET Core Expert, API Designer and Angular Architect. Each one is a separate skill with its own page in this directory, installs the same way Code Reviewer does, and is maintained by Jeffallan in that same repository. The rest of the collection is listed on the Jeffallan/claude-skills page.
How does Code Reviewer compare to other Quality skills?
Code Reviewer ranks #188 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Code Reviewer against them. Open each page to compare what they document and how they install.