Community
Structured multi-step development. Brainstorm → spec → plan → build → review → merge — TDD baked in.
TDDMulti-agentPlans
By use case
Top Code Quality & Review Skills
Structured reviews, refactoring, simplification passes, and TDD-driven workflows.
18 skills indexed · ranked by composite score
Top 6 Code Review skills
- 1.superpowers—Structured multi-step development. Brainstorm → spec → plan → build → review → merge — TDD baked in.
- 2.debug—Disciplined debugging loop. Reproduce, isolate, diagnose, fix.
- 3.tech-debt—Honest tech-debt audit with a prioritized cleanup backlog.
- 4.sentry-error-handling—Sentry the right way. Source maps, releases, breadcrumbs, performance, structured tags.
- 5.security-review—Pre-merge security sweep on the current branch's diff.
- 6.code-review—The canonical Anthropic code review. Effort levels from quick to ultra.
About Code Quality & Review
The best agent skills for code quality and review in 2026 are Claude Code's built-in `code-review` and `simplify` Skills — `code-review` runs the structured security-and-correctness pass a senior engineer makes on a PR, while `simplify` catches reuse and altitude problems that accumulate in working code. Code quality and review Skills turn an AI agent from a code writer into a disciplined code reviewer. They encode the structured pass — security, correctness, performance, simplification — that senior engineers run on a PR, and apply it consistently every time. The Anthropic-authored code-review and simplify Skills are the canonical examples; both ship inside Claude Code and replicate the rubric the Claude Code team uses internally.
The workflows are familiar. Reviewing an uncommitted diff before opening a PR. Catching N+1 queries and missing edge cases in a feature branch. Running a simplification pass on a refactor that grew too clever. Producing PR comments inline, or applying the fixes directly to the working tree. Test-driven workflows: drafting tests first, watching them fail, then implementing. Skills here also cover the meta-level — choosing between Claude Opus and Claude Sonnet for review, running multi-agent ultrareviews, and writing the review-bot persona for a specific repo's house style.
Engineering managers, staff engineers, and any team paying for code review at scale use these. We rank by composite score; provenance (Anthropic, well-known engineering orgs) and install count dominate, with documentation depth and cross-agent compatibility as tiebreakers. Skills that integrate with `gh pr` and post comments score higher for production use than read-only reviewers.
Ranked by score
Best Code Review Skills
Skills that do code review well — ranked transparently.
Official
Disciplined debugging loop. Reproduce, isolate, diagnose, fix.
DebugDiagnosisTroubleshooting
Verified
Sentry the right way. Source maps, releases, breadcrumbs, performance, structured tags.
SentryErrorsObservability
Code
Low3 min
Code
Low1 min
Official
The canonical Anthropic code review. Effort levels from quick to ultra.
Code ReviewBuilt-inQuality
Code
Low1 min
Code
Low1 min
Official
Review for reuse, quality, efficiency. Catches over-abstraction and dead code before merge.
ReviewRefactorDRY
Code
Low0 min
Verified
100+ accessibility and UX rules from Vercel, applied as a structural audit on your UI code.
A11yUXAudit
Verified
57 React/Next.js performance rules, applied as a structural review on your code.
ReactNext.jsPerformance
Verified
Security audits run by a real security firm. CodeQL + Semgrep + audit workflows.
CodeQLSemgrepAudit
Verified
Next.js App Router by the book. Server components, streaming, parallel routes.
Next.jsReactApp Router
Verified
Boolean prop hell → compound components. Cleaner React component APIs by construction.
ReactPatternsAPI design
Official
Structured PR reviews with severity-tagged findings — bugs, security, perf, style.
ReviewSecurityPR
Code
Low0 min
Community
Prisma migrations and queries by the book. Index-aware, migration-safe, type-correct.
PrismaTypeScriptMigrations
Code
Medium3 min
Community
TypeScript strict mode by default. Discriminated unions, branded types, exhaustive switches.
TypeScriptTypesStrict
Code
Low1 min
Community
Vitest patterns: snapshots, mocks, parallel runs, in-source tests, coverage.
VitestUnit testingTypeScript
Code
Low2 min
FAQ
Frequently asked
What is the difference between /code-review and /simplify?
code-review hunts for correctness bugs and security issues. simplify focuses on reuse, deduplication, and altitude cleanups — quality without bug-hunting. Use code-review before merge; use simplify after the change works.
Do code-review Skills replace senior engineers?
No. They catch the mechanical issues — injection patterns, missing null checks, race conditions, N+1 queries — so human reviewers can focus on architecture, naming, and intent. Best teams run both.
Can these Skills post inline PR comments?
The official Claude Code code-review Skill supports --comment to post findings as inline GitHub PR comments via `gh`, and --fix to apply them to the working tree.
Which model is best for code review?
Opus 4.7+ is the default for high-effort reviews. Sonnet 4.6 is the cost-efficient choice for routine reviews. The ultra mode runs a multi-agent review in the cloud.
Are review Skills cross-agent?
The Anthropic Skills are deepest on Claude Code. Cursor and Codex have community-published equivalents; Gemini CLI compatibility varies. Filter by agent on the listing page to see verified support.
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