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name: Global Validation description: Implement comprehensive validation with server-side validation for security, client-side validation for user experience, early validation to fail fast, specific field-level error messages, allowlists over blocklists, type and format validation, input sanitization to prevent injection attacks, business rule validation, and consistent validation across all entry points. Use this skill when implementing form validation, API request validation, input sanitization, validation rules in Laravel, validation error messages, type checking, or security-related input validation. This skill applies when working on any code that accepts user input including forms, API endpoints, command-line interfaces, or background jobs.

Global Validation

When to use this skill

• When implementing form validation for user input
• When creating API request validation rules
• When sanitizing input to prevent SQL injection, XSS, or command injection
• When writing Laravel validation rules in form requests
• When creating validation error messages for users
• When implementing type checking and format validation
• When validating business rules (e.g., sufficient balance, valid dates)
• When ensuring consistent validation across web forms, API endpoints, and background jobs
• When choosing between client-side and server-side validation
• When working on any code that accepts user input
• When using allowlists to define what is allowed instead of blocklists
• When implementing security-related input validation

This Skill provides Claude Code with specific guidance on how to adhere to coding standards as they relate to how it should handle global validation.

Instructions

For details, refer to the information provided in this file: global validation