code-review

Review source code for quality, security, performance, and maintainability issues.

2|Updated Dec 12, 2025
One-click install
npx skills add https://github.com/fwdslsh/crosstrain --skill code-review-fwdslsh
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: code-review
Source: https://github.com/fwdslsh/crosstrain/tree/main/demo/fixtures/.claude/skills/code-review
Command: npx skills add https://github.com/fwdslsh/crosstrain --skill code-review-fwdslsh

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Helps teams identify quality, security, and maintainability issues in code with a structured review.

Core Features & Use Cases

  • Code Quality: check naming, SRP, error handling
  • Security: input validation and secure practices
  • Performance: spot inefficiencies and bottlenecks
  • Maintainability: documentation, tests, and clean architecture

Quick Start

Provide a thorough review by loading a diff or repository into the skill and requesting feedback

Frequently Asked Questions about code-review

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I identify security vulnerabilities in code during review?

Code review checks for security issues including input validation, SQL injection risks, XSS vulnerabilities, and insecure practices. Load your source code and request feedback to receive structured findings with severity levels and recommended fixes for each security concern identified.

What code quality issues does a thorough review catch?

A thorough code review assesses variable naming conventions, DRY principles, error handling patterns, test coverage, documentation completeness, and coding style consistency. It produces structured feedback with specific locations and actionable fixes for each quality issue.

Can code review help spot performance bottlenecks?

Yes, code review identifies performance inefficiencies and caching opportunities within your source code. It evaluates your logic against maintainability and performance best practices, flagging potential bottlenecks with recommended optimizations.

How do I get started with reviewing a codebase?

Provide a diff or load your repository into the review process and request feedback. The review delivers structured findings across quality, security, performance, and maintainability dimensions with issue severity, location, and fix guidance.

What makes code maintainable according to code review standards?

Code maintainability review evaluates documentation quality, test coverage, single responsibility principle adherence, clean architecture patterns, and consistent coding style. It identifies gaps and suggests improvements to reduce technical debt and support long-term codebase health.