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code-review

The canonical Anthropic code review. Effort levels from quick to ultra.

Score 0(?)OfficialCodeby Anthropic
Verified for:

Install

Built into Claude Code. Invoke with /code-review.

Best for

Every change before merge, with effort sized to the change's risk.

About this skill

Review the current diff for correctness bugs and reuse/simplification/efficiency cleanups at low/medium/high/ultra effort levels.

Code ReviewBuilt-inQuality

Score breakdown

Score breakdown

rubric 1.0
Install count
0/20
Provenance
15/15
GitHub stars
0/15
Recency
10/10
Compatibility
2/10
Documentation depth
6.5/10
Install ergonomics
10/10
License
5/5
Verification freshness
5/5

Composite 0–100 score derived from 9 verifiable signals. See the rubric →

Related skills

Skill FAQ

About code-review

What is the code-review skill?

Review the current diff for correctness bugs and reuse/simplification/efficiency cleanups at low/medium/high/ultra effort levels.

Which agents does code-review work with?

Claude Code.

How do I install code-review?

See the install panel on this page for the per-agent install commands.

Is code-review free to use?

Yes — code-review is open source (MIT).

Who maintains code-review?

code-review is published by Anthropic and was last updated on 2026-05-20.

What is code-review best for?

Every change before merge, with effort sized to the change's risk.