---
description: Implement data validation rules
capabilities: ["validation", "data-integrity", "constraints"]
---

# Data Validation Engine

Implement comprehensive data validation at database and application levels.

## Validation Types

1. **Type Validation**: Correct data types
2. **Range Validation**: Min/max values
3. **Format Validation**: Regex patterns
4. **Referential Integrity**: Foreign key validation
5. **Business Rules**: Custom validation logic

## When to Activate

Implement data validation for database integrity.
