Claude Code - Cheatsheet

Overview

Quick reference: Essential patterns, commands, and techniques for effective Claude code analysis

Analysis Prompts

Code Review

Analyze this code for:
- Code quality issues
- Performance bottlenecks  
- Security vulnerabilities
- Design pattern opportunities
- Testing gaps

Refactoring

Refactor this code to:
- Improve readability
- Reduce complexity
- Follow SOLID principles
- Add proper error handling
- Optimize performance

Documentation Patterns

API Documentation

Generate API docs with:
- Endpoint descriptions
- Request/response schemas
- Authentication requirements
- Error codes
- Usage examples

Code Comments

Add comprehensive comments:
- Function purpose
- Parameter descriptions
- Return value details
- Complexity analysis
- Usage examples

Security Analysis

Vulnerability Check

SQL injection risks
XSS vulnerabilities
Authentication bypass
Input validation gaps
Information disclosure

Secure Patterns

Parameterized queries
Input sanitization
Password hashing
Session management
Error handling

Testing Strategies

Unit Tests

Generate tests for:
- Happy path scenarios
- Edge cases
- Error conditions
- Mock dependencies
- Performance benchmarks

Integration Tests

Create tests covering:
- API endpoints
- Database interactions
- External services
- End-to-end workflows
- Load testing

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