What are the best Claude Code skills for code review?
go-concurrency-review from eduardo-sl/go-agent-skills is the highest-scoring Claude Code skill for code review, at 95/100 (grade A) on the Suede Skill Check. The table below compares the top 15 of 35 listed code review skills from 8 repositories by score, publisher and license, using the October 22, 2026 snapshot of SuedeAI.directory.
- 35 listed code review skills
- 10 full pages scoring 80+
- 15 repositories
Compare 15 Claude Code skills for code review
Ranked by Suede Skill Check score. Linked names open the directory listing; scores come from the published rubric.
| Skill | Publisher | Suede Skill Check | License | What it does |
|---|---|---|---|---|
| go-concurrency-review | eduardo-sl eduardo-sl/go-agent-skills | 95/100 · A | MIT | Reviews and implements safe Go concurrency patterns: goroutines, channels, sync primitives, context propagation, and lifecycle management, plus debugging race conditions and designing producer/consumer pipelines. |
| go-performance-review | eduardo-sl eduardo-sl/go-agent-skills | 95/100 · A | MIT | Detects performance anti-patterns in Go and applies optimizations covering allocations, benchmarks, pprof, GC and GOMEMLIMIT tuning, PGO, and HTTP client reuse. |
| go-coding-standards | eduardo-sl eduardo-sl/go-agent-skills | 95/100 · A | MIT | Applies Go coding standards and style conventions from Effective Go and Go Code Review Comments, including import ordering, struct initialization, receivers, and formatting rules. |
| trailmark-review-gate | Trail of Bits Official trailofbits/skills | 89/100 · B | CC-BY-SA-4.0 | Runs a Trailmark structural review gate over a branch, pull request, fix commit, release diff, or git ref range to detect new entrypoints, new… |
| second-opinion | Trail of Bits Official trailofbits/skills | 89/100 · B | CC-BY-SA-4.0 | Gets independent code reviews from Codex or Antigravity for uncommitted changes, branch diffs, and commits. Use when the user requests an external… |
| django-access-review | Sentry Official getsentry/skills | 86/100 · B | Apache-2.0 | Reviews Django views, DRF viewsets, and ORM queries for access control, authorization, IDOR, tenant isolation, and broken access problems. |
| gha-security-review | Sentry Official getsentry/skills | 86/100 · B | Apache-2.0 | Reviews GitHub Actions workflows for exploitation vulnerabilities such as pwn requests, expression injection, credential theft, and supply chain attacks, with concrete proof-of-concept scenarios. |
| security-review | Sentry Official getsentry/skills | 86/100 · B | CC-BY-SA-4.0 | Reviews code for security vulnerabilities including injection, XSS, authentication, authorization, and cryptography issues, using a systematic process with confidence-based reporting. |
| c-review | Trail of Bits Official trailofbits/skills | 86/100 · B | CC-BY-SA-4.0 | Performs comprehensive C/C++ security review for memory corruption, integer overflows, race conditions, and platform-specific vulnerabilities. Use… |
| security-reviewer | jeffallan jeffallan/claude-skills | 86/100 · B | MIT | Identifies security vulnerabilities, generates structured audit reports with severity ratings, and provides actionable remediation guidance. Use… |
| receiving-code-review | obra obra/superpowers | 84/100 · B | MIT | Guides handling code review feedback with technical rigor and verification, rather than performative agreement or blind implementation, especially when feedback is unclear or questionable. |
| code-reviewer | jeffallan jeffallan/claude-skills | 84/100 · B | MIT | Reviews code diffs and files for bugs, security vulnerabilities, code smells, N+1 queries, and naming issues, then produces a prioritized, structured review report. |
| code-review | phuryn phuryn/pm-skills | 84/100 · B | MIT | Reviews code for actionable defects, centering on correctness with performance and security as optional sub-cases, and tries to refute every candidate finding before reporting. |
| code-review | CodeRabbit Official coderabbitai/skills | 83/100 · B | MIT | Runs CodeRabbit CLI reviews, retrieves saved local or GitHub PR fix prompts, and interprets CodeRabbit authentication and review output. |
| code-review | mattpocock mattpocock/skills | 81/100 · B | MIT | Review the changes since a fixed point (commit, branch, tag, or merge-base) along two axes: Standards (does the code follow this repo's documented… |
Questions and answers
Which code review skill has the highest Suede Skill Check score?
go-concurrency-review from eduardo-sl/go-agent-skills scores 95/100, grade A, the highest of the 35 listed code review skills in the October 22, 2026 snapshot. It earns full points for structural checks, recent maintenance and instruction depth. go-performance-review from eduardo-sl/go-agent-skills follows at 95/100.
How do I install a code review skill in Claude Code?
Run npx skills add with the skill folder's GitHub URL from your project, or copy the folder into .claude/skills/ and Claude Code loads it when a request matches its description. For go-concurrency-review, run: npx skills add https://github.com/eduardo-sl/go-agent-skills/tree/main/skills/(safety)/go-concurrency-review. Each full skill page on SuedeAI.directory lists the same steps for Claude Code and Codex.
Are these code review skills free?
All 15 code review skills on this page are published in public GitHub repositories and cost nothing to download. Every one uses an open-source or open-content license, led by MIT (9), CC-BY-SA-4.0 (4) and Apache-2.0 (2), so you can use and adapt the files at no cost under those terms. One skill names credentials for an outside service; each full page lists them under Before you install.
Do these code review skills work with Codex and Cursor?
Yes. Each of the 15 code review skills on this page is a SKILL.md folder in the Agent Skills format, which Claude Code, Codex and Cursor all read. The skills CLI (npx skills add) installs every one of them into Claude Code, Codex, Cursor and other agents, and each full skill page adds a project-level copy into .claude/skills for Claude Code and .agents/skills for Codex. 3 of them declare compatibility in the SKILL.md frontmatter.
How does SuedeAI.directory rank code review skills?
By Suede Skill Check score from 0 to 99, which adds structure, description quality, instruction depth, bundled files, maintenance and curated-list citations, all read from each skill's published files. A skill joins this page when its name or summary matches the code review keyword map; each repository fills at most three rows, so the table compares publishers.
Which code review skills come from official publishers?
trailmark-review-gate, second-opinion and c-review from Trail of Bits, django-access-review, gha-security-review and security-review from Sentry and code-review from CodeRabbit are published by the company behind the tool, marked Official in the table.
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