How to Automate Code Reviews with Claude Code's /code-review Skill

Code reviews are essential — but they're slow, inconsistent, and depend heavily on who's reviewing that day. Claude Code's /code-review skill changes this. It evaluates your code across 5 dimensions every time, with zero reviewer fatigue. Here's how to put it to work on real code. What /code-review Actually Does Run /code-review inside Claude Code and it analyzes the target code across five axes: Dimension What It Checks Design Separation of concerns, SOLID principles, dependency structure Readability Naming conventions, comments, cyclomatic complexity Security Input validation, auth flows, OWASP Top 10 Testability Mockability, side effect isolation, dependency injection Performance N+1 queries, unnecessary computation, memory leaks Basic usage: # Review current directory /code-review # Review a specific file /code-review src/auth/login.py # Review only the diff since last commit /code-review --diff HEAD~1 Example 1: Catching an Auth Vulnerability in Python The Code (with bugs) import