code-analysis

Provides methodologies, metrics, and best practices for analyzing code structure, complexity, and quality

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/code-analysis

SKILL.md

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.