Backend Pro Max - Backend Development Intelligence

Comprehensive backend guide for modern web applications. Supports multiple languages (Node.js, PHP, Python) and databases (PostgreSQL, MySQL). Contains 15+ architecture patterns, 25+ security rules, 20+ language-specific patterns, 15+ database patterns, 20+ API design patterns, and 20+ project-specific reasoning rules.

When to Apply

Reference these guidelines when:

• Building new backend APIs or services in Node.js, PHP, or Python
• Designing and optimizing database schemas (PostgreSQL, MySQL)
• Implementing authentication/authorization
• Reviewing code for security issues
• Structuring backend project architecture

Rule Categories by Priority