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express-validation

Validate Express.js request data with Zod schemas via middleware.

8|2|Updated Jan 15, 2026
Search Tags:#validation#backend#middleware#zod#express.js#api security
One-click install
npx skills add https://github.com/bradtaylorsf/alphaagent-team --skill express-validation
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: express-validation
Source: https://github.com/bradtaylorsf/alphaagent-team/tree/main/plugins/aai-stack-express/skills/express-validation
Command: npx skills add https://github.com/bradtaylorsf/alphaagent-team --skill express-validation

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides robust input validation patterns for Express.js applications, helping to prevent common security vulnerabilities and ensure data integrity.

Core Features & Use Cases

  • Schema-based Validation: Define clear schemas for request bodies, query parameters, and route parameters using Zod.
  • Middleware Factory: Easily create reusable validation middleware for different request locations.
  • Custom Validators: Implement complex validation logic for fields like passwords, phone numbers, and unique entries.
  • Use Case: Protect your user registration endpoint by ensuring all required fields are present, email formats are correct, and passwords meet complexity requirements before processing the request.

Quick Start

Use the express-validation skill to create a middleware that validates the request body against a user creation schema.

Frequently Asked Questions about express-validation

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate Express.js request bodies and query parameters?▼

Validate Express.js request bodies and query parameters using Zod schemas and a middleware factory. This approach checks incoming API data for integrity and security before the request reaches your route handler.

What is the best way to secure Express.js API endpoints against malformed input?▼

Secure Express.js API endpoints against malformed input by applying schema-based validation middleware. Defining Zod schemas for request bodies, queries, and route parameters ensures only properly formatted data is processed.

Can I use custom validators for complex fields like passwords in Express.js?▼

Yes, you can implement custom validators for complex fields like passwords and phone numbers. This allows you to enforce specific data integrity and security rules within your Zod schemas for user registration endpoints.

Does Zod work with Express.js middleware for API security?▼

Zod works with Express.js by generating reusable validation middleware. This combination provides schema-based validation for different request locations, effectively preventing common security vulnerabilities caused by malicious input.

How do I create reusable validation middleware for different request locations?▼

Create reusable validation middleware for different request locations using a middleware factory. This allows you to apply the same Zod validation logic to request bodies, query parameters, and route parameters across multiple endpoints.

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