ClaudSkills / Engineering / code-quality

Comprehensive Code Review

Q: What is a Claude Code skill and how does the Comprehensive Code Review skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Comprehensive Code Review is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Engineering · Sub-category: code-quality · Last updated: 2026-05-21

type:review

This skill should be used when reviewing pull requests, performing comprehensive code review, analyzing code changes before merge, or when the user asks for thorough/ultra-critical code review. Performs EXTREMELY CRITICAL 6-pass analysis identifying runtime failures, code consistency issues, architectural problems, environment compatibility risks, and verification strategies. Posts structured review as GitHub PR comment. Use when user asks to "review PR", "review this code", "review changes", "check this PR", "analyze PR", "post review", or for Phase 3 of devflow. Supports parallel review mode with multiplier (code-review-3, code-review 6X) for consensus-based reviews. This is an ultra-critical reviewer that does not let things slip and desires only perfection.

Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Ultra-critical, multi-pass code review that identifies issues, suggests improvements, and provides actionable feedback to prevent runtime failures and improve code quality.

What this skill does

Comprehensive Code Review is a community-contributed Claude Code skill in the code-quality sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/comprehensive-code-review/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when user asks to "review PR", "review this code", "review changes", "check this PR", "analyze PR", "post review", or for Phase 3 of devflow. Supports parallel review mode with multiplier (code-review-3, code-review 6X) for consensus-based reviews.

Who uses this skill

The Comprehensive Code Review Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 146,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/comprehensive-code-review
curl -L https://claudskills.com/skills/comprehensive-code-review/SKILL.md \
  -o ~/.claude/skills/comprehensive-code-review/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/comprehensive-code-review/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/comprehensive-code-review/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\comprehensive-code-review\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Comprehensive Code Review Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/comprehensive-code-review/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Comprehensive Code Review skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Comprehensive Code Review skill?

Use Comprehensive Code Review when your Claude Code task falls under the Engineering category — specifically in the code quality area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Comprehensive Code Review" or describe the task and let Claude pick). Browse related skills at /category/engineering/.

What is a Claude Code skill and how does the Comprehensive Code Review skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Comprehensive Code Review is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/aiskillstore/marketplace/blob/HEAD/skills/cygnusfear/comprehensive-code-review/SKILL.md
Author: aiskillstore
Website: https://skillstore.io

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

aiskillstore. (2026). Comprehensive Code Review [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/comprehensive-code-review/

BibTeX

@misc{comprehensive-code-review-2026,
  author    = {aiskillstore},
  title     = {Comprehensive Code Review [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/comprehensive-code-review/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/comprehensive-code-review.svg)](https://claudskills.com/skills/comprehensive-code-review/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-07-06 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/comprehensive-code-review/#security)

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Browse all Engineering skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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