Code Review is a two-axis review Skill in Matt Pocock’s engineering collection. It first resolves a comparison reference and checks that the merge-base diff is non-empty, then locates the originating specification and repository standards. Separate subagents review standards and specification coverage, keeping their findings distinct in the final report. The standards axis also uses a labeled code-smell baseline, while documented project conventions take precedence. If no specification exists, that axis is explicitly skipped rather than invented. Use the Skill with an accessible Git history, the intended comparison point, and the collection’s issue-tracker configuration; it is a review workflow, not an automatic approval or correction service.