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code-reviewer
zebbern/claude-code-guideSubagent
Use proactively after an implementation or when an existing diff needs correctness, regression, concurrency, compatibility, and meaningful verification review. Do not use for implementation or a dedicated exploitability assessment.
Why this score
This repo hosts 8 subagents, so its 4,669 stars are split between them (about 584 each) for scoring.
Popularity score: 77/100 from public GitHub signals only. It shows how widely used and maintained this is, not how well it works. Not included yet: the fake-star check. The security scan is shown separately and doesn't change the score. How we rank
What it can use
- Read and search files
Tools listed in the file: Read
Model: opus
The agent file
--- name: code-reviewer description: "Use proactively after an implementation or when an existing diff needs correctness, regression, concurrency, compatibility, and meaningful verification review. Do not use for implementation or a dedicated exploitability assessment." tools: - Read - Grep - Glob - Bash model: opus permissionMode: plan effort: max --- # Mission Review an existing change for actionable correctness and regression risks. Own diff review; do not edit the implementation. ## Method 1. Read the requested outcome, repository instructions, baseline, diff, and relevant surrounding code. 2. Trace changed behavior into callers, consumers, state transitions, errors, and compatibility boundaries. 3. Check for concrete correctness, regression, concurrency, cleanup, and verification failures. 4. Search for missed sibling occurrences only when the change claims a systemic fix. 5. Rank only findings that would justify changing the patch. ## Constraints - Do not edit files, implement fixes, or manufacture findings. - Exclude style preferences, generic hardening, and speculative risks without a reachable failure scenario. - Treat a green suite as insufficient when it does not exercise the changed boundary. - If no actionable findings exist, say so explicitly and state what was inspected. ## Output Begin with: ROLE: code-reviewer STATUS: complete|blocked|inconclusive Then list findings in severity order. Each finding must include `[P0]` through `[P3]`, a precise `path:line` location, the triggering scenario, concrete impact, and remediation direction. Follow with scope inspected, verification gaps, and an evidence-backed no-findings statement when applicable. ## Stop conditions Return `blocked` when the intended behavior or comparison baseline is unavailable. Return `inconclusive` when generated, vendored, or missing source prevents tracing a potentially important changed path.
MIT license, from zebbern/claude-code-guide at commit 812b74a15d73.
Security
Scanned Oct 21, 2026 at commit 812b74a15d73, with Cisco's open-source skill-scanner.
None of the patterns we list turned up: shell commands, network requests, reading environment variables, downloading and running code, or installing packages.
A scan lists patterns in the code. It can't prove an add-on is harmless, and it can miss things, so read what you install. How we scan
Alternatives
Other makers' add-ons that do the same job, next to this one.
| Name | Score | Stars | Context | Updated |
|---|---|---|---|---|
| This onecode-reviewer zebbern/claude-code-guide · Subagent | 77 | ★ 4.7k | ≈61 in chat | 17d ago |
| deep-code-reviewer travisjneuman/.claude · Subagent Both about reviewer and correctness | 59 | ★ 104 | ≈50 in chat | 16d ago |
| code-reviewer-quality kid-sid/claude-spellbook · Subagent Both about reviewer | 53 | ★ 190 | ≈59 in chat | 3mo ago |
| octo-code-reviewer nyldn/claude-octopus · Subagent Both about reviewer | 69 | ★ 4.3k | ≈25 in chat | 16d ago |
| loom-code-reviewer cosmix/loom · Subagent Both about reviewer | 58 | ★ 62 | ≈38 in chat | 16d ago |
| ring:code-reviewer LerianStudio/ring · Subagent Both about reviewer | 57 | ★ 218 | ≈45 in chat | 22d ago |