Code Analysis
code-analysis
Provides methodologies, metrics, and best practices for analyzing code structure, complexity, and quality
SKILL.md
Full skill instructions
Overview
This skill provides comprehensive knowledge for code analysis including complexity metrics, anti-pattern detection, refactoring strategies, and code quality assessment across multiple programming languages.
Complexity Metrics
Cyclomatic Complexity
- Low: 1-10 (simple, easy to test)
- Medium: 11-20 (moderate complexity, acceptable)
- High: 21-50 (complex, needs refactoring)
- Very High: 51+ (critical, must refactor)
Cognitive Complexity
Measures how difficult code is to understand based on nesting, control flow breaks, and recursion.
Code Smells to Detect
- Long Methods: >50 lines
- Large Classes: >300 lines
- Duplicate Code: Repeated blocks
- Long Parameter Lists: >5 parameters
- Deep Nesting: >4 levels
- God Objects: Classes doing too much
- Dead Code: Unused functions/variables
Refactoring Strategies
- Extract Method: Break long methods into smaller ones
- Extract Class: Split large classes by responsibility
- Replace Conditional with Polymorphism
- Simplify Conditional Expressions
- Remove Duplicate Code
When to Apply
Use when analyzing codebase structure, identifying refactoring opportunities, or assessing code quality.