Global Validation

Validate and sanitize user inputs across frontend and backend systems.

Updated Aug 23, 2026

Search Tags:#security #frontend #validation #backend #data integrity #data quality #input sanitization #form handling

One-click install

npx skills add https://github.com/alenon/portfolios --skill global-validation-alenon

Or copy as Structured Prompt for Agent▼

Please help me install this Agent Skill.
Skill: Global Validation
Source: https://github.com/alenon/portfolios/tree/main/.claude/skills/global-validation
Command: npx skills add https://github.com/alenon/portfolios --skill global-validation-alenon

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill standardizes data validation logic across both frontend and backend, preventing invalid or malicious data from entering the system. It improves application security and reliability, reducing bugs and vulnerabilities, so you can trust your data.

Core Features & Use Cases

Input Sanitization: Guides AI to validate and sanitize all user inputs, protecting against common attack vectors.
Data Integrity: Ensures that data conforms to expected formats and constraints before processing, maintaining data quality.
Use Case: When a user submits a new portfolio entry, this skill ensures both the frontend (React Hook Form) and backend (Go validation) properly validate the input fields, preventing malformed data from reaching the database.

Quick Start

Use the Global Validation skill to add input validation to the RegisterUser handler in internal/handlers/auth.go, ensuring email format and password strength are checked.