Best Code Review Skills for Claude Code

Reviews your code for bugs, security vulnerabilities, logic errors, performance issues, and style violations. Organizes findings by severity and suggests fixes with code examples.

Expert Java code auditor for SE 8–24, flagging performance leaks, threading risks, and modernization gaps.

Catches dangerous database migrations before they hit production. Reviews schema changes for locking hazards, data loss, missing rollbacks, and index issues across PostgreSQL, MySQL, and SQLite.

A multi-stage, evidence-grounded academic review agent modeled on the AAAI-26 AI Review Pilot research.

Enforce senior-level coding standards with a focus on verification, minimal diffs, and evidence-based bug fixing.

inline comment

by CCSW LLC

$9.99

Best way to steer your agents, effortlessly.

Senior Web App Architect for Coding Agents

by Avesta Agency Australia | Software Engineering Group

$9.99

Messy, insecure, unfixable — that's what AI builds without architecture. This file is the architecture: 10 years of senior judgement on rendering, caching, security and SEO, so your agent builds it right from day one.

nextjs app router audit

by Sion Coolwijk

Free

Deep audit toolkit for Next.js App Router to fix performance waterfalls, SEO errors, and client boundary leaks.

Automated, high-precision code reviews that detect bugs, security flaws, and performance bottlenecks in your PRs.

Legacy Code Modernization Planner for AI Coding Agents

by Shandra

$9.99

Creates safe modernization roadmaps for old, messy, undocumented, or fragile codebases, including risk audits, refactor phases, dependency reviews, testing plans, migration steps, and AI coding prompts.

codegraph ast grep

by servrox

Free

Supercharge repo exploration and refactoring with semantic call-graph tracing and structural AST pattern matching.

Three-pass automated code review that catches error handling gaps, structural issues, and naming problems — then auto-fixes everything before code reaches the user.

Audit your codebase for technical debt and generate a prioritized, actionable remediation report.

Research comparable real projects before choosing, fixing, or shipping your project architecture.

🧹 Code Comment Cleaner

by JustHandled Labs

$5

Preview code-like comment blocks across JavaScript, TypeScript, Python, Java, Go, Rust, HTML, and CSS. Preservation rules run before candidate detection; confirmed cleanups create .bak backups and remove only reviewed ranges.

Transform technical debt into a prioritized roadmap with professional-grade refactoring reports.

Professional-grade git diff auditor that identifies security vulnerabilities and code smells before you merge.

Elite technical due diligence and architecture hardening for scale, security, and enterprise readiness.

🕸️ Codebase Graph

by JustHandled Labs

$25

Map any repo into an interactive D3 dependency graph plus a Markdown onboarding guide: entry points, module relationships, circular dependencies, and dead-code candidates, with refactor suggestions. Parses TypeScript, Python, Java, Go, and Rust imports, exports, and calls. Self-contained HTML, no source changes.

Professional audit tool to detect and fix React hooks anti-patterns, stale closures, and performance bottlenecks.

zig pro maxx

by Basudev Krishnaswami

Free

Professional Zig 0.16.0 development specialist focusing on memory safety, 0.16.0 API compliance, and systems performance.

Clean Code and Architecture

by Christopher Zenzel

$5

Apply Clean Code and Clean Architecture standards to automate refactoring, reviews, and dependency management.

Socratic Code Reviewer

by Arnstein Larsen

Free

A senior-level code reviewer that uses Socratic questioning to identify architectural flaws and teach better patterns.

Jamf Script Safety Reviewer

by LB Creations

$49.99

Review Jamf and Kandji scripts for safer user context, prompts, logging, and rollout readiness.

🗄️ SQL Migration Safety Doctor

by JustHandled Labs

$12

Catch the dangerous migration before it locks or wrecks your production database. Scans SQL migration files for destructive and risky operations: DROP and TRUNCATE, drops without IF EXISTS, lossy column-type changes, NOT NULL added without a default, DELETE or UPDATE with no WHERE, non-concurrent index builds, dropped constraints, renames, and data backfills mixed into schema changes. Each finding is ranked by severity with a safer rewrite. Postgres, MySQL, and SQLite.

Coding Agent Quality Gate

by PubsProToolkit

$24

An adversarial senior engineer review gate that audits AI-written code for security gaps and logic errors before shipping.

Automated audit of codebases for hardcoded strings, missing translation keys, and RTL/locale formatting gaps.

Deep audit of TypeScript codebases for type safety violations, unsafe casts, and runtime-risk anti-patterns.

Classic to Block Theme Migrator

by Arnstein Larsen

$22.99

A senior WordPress theme architect skill that migrates classic PHP themes to FSE block themes — extracting business logic into a companion plugin during conversion — and delivers both a phased reversible plan and the actual converted files.

🧪 AI Build Sanity Check

by JustHandled Labs

$13

Scan local Python, JavaScript, TypeScript, JSX/TSX, HTML, JSON, and .env files for build markers, returned fake-data terms, swallowed errors, placeholders, route-adjacent canned success, and advisory empty handlers. Read-only findings include rule, severity, file, line, and a plain fix.

Pre-merge PR quality gate. 40+ checks: diff size, tests, security, conventional commits, breaking changes, reviewer routing.

cognitive load reducer

by Timoranjes

Free

Teaches AI coding agents to systematically reduce code complexity by identifying and refactoring high-cognitive-load patterns: deeply nested conditionals, god functions, excessive state mutations, tan

📌 TODO FIXME Extractor

by JustHandled Labs

Free

List every TODO, FIXME, HACK, XXX, BUG, and OPTIMIZE comment in your codebase with file, line, and tag. Scans 14 languages, groups the results by tag with counts, and skips node_modules, dist, build, and vendor. A clean tech-debt inventory instead of scrolling grep output.

Professional Go code auditor for performance optimization, concurrency safety, and modern 1.21+ idioms.

Pre Code Design Gate

by SkillForge

Free

Enforce senior-level architectural thinking by making your agent write a 5-line Design Note before coding.

Security Sweep

by Ryan O'Donnell

$5

An automated security auditor that scans code for OWASP vulnerabilities, secrets, and injection flaws before deployment.

💸 LLM Cost Leak Linter

by JustHandled Labs

$12

Find the code that quietly runs up your LLM bill: uncapped generations, model calls looping with no limit, an expensive model doing a trivial job, and whole files stuffed into prompts. Read-only, every finding explained in plain English.

complexity quality gate enforcer

by Timoranjes

$10

Teaches AI coding agents to enforce hard numeric quality thresholds on code complexity — cyclomatic complexity, cognitive complexity, coupling, and maintainability index — as deterministic CI/CD gates

Code Green Badge

by Echo Rose

$5

Code Green Badge - A Premium AI Agent Skill

Api Design Reviewer

by Echo Rose

$7.99

Api Design Reviewer - A Premium AI Agent Skill

Code Formatter Pro

by Echo Rose

$5

Code Formatter Pro - A Premium AI Agent Skill

Code Search Pro

by Echo Rose

$5

Code Search Pro - A Premium AI Agent Skill

Code Smell Detector

by Echo Rose

$5

Code Smell Detector - A Premium AI Agent Skill

Code Assistant

by Echo Rose

$5

Code Assistant - A Premium AI Agent Skill

ai code review strategist

by Timoranjes

$10

Teaches AI coding agents to perform structured, high-signal code reviews specifically for AI-generated code — catching the failure modes unique to LLM output (confident hallucinations, silent error sw

agent skill security scanner

by Elyas Shukri Elmi

Free

Audits agent skills and MCP manifests for prompt injection, data exfiltration, and over-permissioned access.

A structured code review agent that finds logic flaws, security risks, and hygiene issues in your git diffs.

Verified A11y Auditor

by PupLogic

Free

Automated WCAG 2.1 AA accessibility auditor that computes contrast ratios and provides code-level fixes.