zod-validation

Validate and sanitize incoming data with Zod schemas in Next.js 16 App Router.

Updated Dec 26, 2025
One-click install
npx skills add https://github.com/dthompsonfl/crispy-fishstick --skill zod-validation-dthompsonfl
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: zod-validation
Source: https://github.com/dthompsonfl/crispy-fishstick/tree/main/.agent/skills/zod-validation
Command: npx skills add https://github.com/dthompsonfl/crispy-fishstick --skill zod-validation-dthompsonfl

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Zod Validation solves the problem of inconsistent, error-prone data validation across server and client by providing a single source of truth for schemas, enabling type safety and consistent error handling.

Core Features & Use Cases

  • Schema-driven validation at API boundaries and form inputs to enforce contracts
  • Type inference from Schemas to reduce boilerplate and improve DX
  • Tenant-aware validation and audit-friendly error reporting for multi-tenant systems

Quick Start

Create a shared Zod schema and wire it into Next.js API routes and UI forms to enforce a strong, type-safe data contract.

Frequently Asked Questions about zod-validation

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

FAQPage Schema
How do I validate API route data in Next.js App Router?

Validate API route data in Next.js App Router by defining a shared Zod schema and parsing incoming requests against it to enforce type-safe data contracts at the boundary. This ensures consistent validation and standardized error reporting across server and client.

How does Zod schema validation work for multi-tenant environments?

Zod schema validation for multi-tenant environments works by applying tenant-aware validation rules to incoming data, scoping requests to the correct tenant. It provides audit-friendly error reporting and enforces consistent data contracts across separate tenants.

What is the best way to enforce type safety across API and UI forms?

The best way to enforce type safety across API and UI forms is using a single Zod schema as a source of truth. You infer TypeScript types directly from the schema, reducing boilerplate and ensuring both client and server validate against identical data contracts.

Does Zod validation support standardized error handling for form submissions?

Yes, Zod validation supports standardized error handling for form submissions. By parsing form inputs with shared schemas, you generate consistent, structured error messages that can be returned to the UI and audited across multi-tenant systems.

Can I use Zod schemas for both client and server validation in Next.js 16?

You can use Zod schemas for both client and server validation in Next.js 16 by creating shared schema definitions. This enables reusable schema composition, boundary validation, and type inference across your App Router API routes and UI form submissions.

Why do I need schema-driven validation instead of manual checks in Next.js API routes?

Schema-driven validation replaces manual checks in Next.js API routes to solve inconsistent, error-prone data handling. It provides a single source of truth for data contracts, ensuring secure sanitization, tenant scoping, and type inference without repetitive boilerplate.