What problem does it solve? Codebases accumulate unnecessary complexity: hand-rolled utilities that duplicate the standard library, speculative abstractions with a single implementation, and dependencies that replicate native platform features. This Skill reviews diffs exclusively for that over-engineering and tells you exactly what to cut. ## Core Features & Use Cases - Complexity-only review: Ignores correctness, security, and performance to focus solely on finding code that can be deleted or shrunk. - Tagged one-line findings: Each finding uses a tag (delete:, stdlib:, native:, yagni:, shrink:) with the location, what to cut, and what replaces it. - Net-lines scoring: Ends every review with a net: -<N> lines possible metric, or Lean already. Ship. when nothing can be cut. - Use Case: After writing a feature branch, ask for an over-engineering review to discover that your 27-line email validator class can be replaced by a single "@" in email check before merging. ## Quick Start Ask the assistant to review this diff for over-engineering and tell me what can be deleted.
