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zod

Validate and standardize Zod schemas across TypeScript codebases.

4|Updated Feb 12, 2026
Search Tags:#typescript#validation#schema#zod#error-handling#coercion#safeparse
One-click install
npx skills add https://github.com/rbaumier/skills --skill zod-rbaumier
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: zod
Source: https://github.com/rbaumier/skills/tree/main/zod
Command: npx skills add https://github.com/rbaumier/skills --skill zod-rbaumier

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) and assets (resource) components.

What problem does it solve?

Zod schemas are frequently misused or inconsistently applied across TypeScript codebases, causing runtime crashes, security gaps, duplicate validation logic, and poor developer UX. This Skill provides a concise, machine-actionable checklist and concrete refactors to make validation safe, consistent, and maintainable.

Core Features & Use Cases

  • Schema hardening: apply primitive correctness, string constraints, enums, branded IDs, and strict object modes to prevent silent data corruption.
  • Parsing best practices: recommend safeParse/safeParseAsync, parseAsync for async refinements, and coercion patterns for form/query inputs.
  • Composition & DX: derive variants with pick/omit/partial, prefer discriminated unions for tagged types, and use z.lazy(), pipe(), and preprocess() where appropriate.
  • Error handling & UX: surface all validation issues, attach precise paths, provide user-friendly messages, and centralize defaults/fallbacks.
  • Performance & maintainability: cache schemas, avoid creating schemas in hot paths, and suggest zod-mini for bundle-sensitive frontends.

Quick Start

Review the repository's Zod schemas and produce corrected schema definitions, a prioritized list of detected rule violations, and concise code-level fixes.

Frequently Asked Questions about zod

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

FAQPage Schema
How do I enforce consistent Zod schema validation across a TypeScript codebase?▼

Use safeParse or safeParseAsync for Zod schema validation to handle invalid input gracefully without throwing runtime exceptions. This approach returns structured error objects with precise paths, ensuring robust API response parsing and form handling.

What is the best way to handle form and query string inputs with Zod?▼

Prefer Zod discriminated unions to model tagged types and complex variants. Derive related schemas using pick, omit, and partial to maintain schema composition, ensuring maintainable and type-safe TypeScript data structures.

Why does my Zod schema fail to surface all validation errors at once?▼

Avoid creating Zod schemas in hot paths to prevent performance bottlenecks; cache them instead. For bundle-sensitive frontends, consider zod-mini to reduce size while maintaining reliable query and form validation capabilities.

Does Zod support asynchronous validation refinements?▼

Zod supports asynchronous validation refinements through parseAsync and safeParseAsync. These methods allow you to execute async checks during schema validation, ensuring complex server-side API response parsing handles asynchronous rules correctly.

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