zod

Apply Zod best practices for schema validation in TypeScript applications.

Updated Jan 31, 2026
One-click install
npx skills add https://github.com/bosquejun/bantai --skill zod-bosquejun
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: zod
Source: https://github.com/bosquejun/bantai/tree/main/.agents/skills/zod
Command: npx skills add https://github.com/bosquejun/bantai --skill zod-bosquejun

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides comprehensive guidance on using Zod for robust schema validation in TypeScript, ensuring type safety, reliable data parsing, and clear error handling.

Core Features & Use Cases

  • Schema Definition: Best practices for defining Zod schemas, including string validations, enums, and coercion.
  • Parsing & Validation: Strategies for using safeParse, parseAsync, and handling validation errors effectively.
  • Type Inference: Leveraging z.infer, z.input, and branded types for compile-time safety.
  • Use Case: When building an API endpoint that accepts user input, use this Skill to define a Zod schema that validates the incoming JSON payload, ensuring data integrity before it's processed.

Quick Start

Apply Zod best practices to validate incoming API request data.

Frequently Asked Questions about zod

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

FAQPage Schema
How do I validate incoming JSON payloads for type safety in TypeScript?

To validate incoming JSON payloads for type safety in TypeScript, define a Zod schema to parse the request data at system boundaries. This ensures data integrity and provides clear error reporting before the payload is processed.

What is the best way to handle schema validation errors in TypeScript?

The best way to handle schema validation errors in TypeScript is to use Zod's safeParse method. It returns a structured result object containing success status and detailed error data, enabling robust error reporting without throwing runtime exceptions.

How do I infer TypeScript types from a Zod schema?

To infer TypeScript types from a Zod schema, use the z.infer utility. It automatically generates compile-time types directly from your schema definition, ensuring your TypeScript interfaces remain synchronized with your runtime validation logic.

Does Zod support asynchronous data parsing and validation?

Yes, Zod supports asynchronous data parsing and validation through the parseAsync method. This allows you to validate schemas containing asynchronous refinements or transforms, ensuring robust data parsing for complex TypeScript applications.

When should I use safeParse instead of parse for user input validation?

You should use safeParse instead of parse for user input validation when you need to handle invalid data gracefully. SafeParse prevents runtime crashes by returning an error object, whereas parse throws an exception upon encountering invalid input.