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zod

Zod v4 best practices, patterns, and API guidance for schema validation, parsing, error handling, and type inference in TypeScript applications. Covers safeParse, object composition, refinements, transforms, codecs, branded types, and v3→v4 migration. Baseline: zod ^4.0.0. Triggers on: zod imports, z.object, z.string, z.infer, safeParse, mentions of "zod", "schema validation", "zod v4", or "z.enum".

skill-install — Terminal

Install via CLI (Recommended)

clawhub install openclaw/skills/skills/anivar/zod-skill
Or

What This Skill Does

The zod skill provides specialized expertise for Zod v4, the industry-standard TypeScript schema validation library. As Zod v4 introduces significant breaking changes—such as the removal of z.lazy() and changes to error handling patterns—this skill acts as a guardrail, ensuring your implementation avoids deprecated v3 methods while leveraging new v4 capabilities. It covers the entire lifecycle of schema validation, from initial object definition and type inference to advanced cross-field validation, performance-tuned parsing, and secure error management. Whether you are migrating a legacy codebase or starting a new project, this skill ensures your data boundaries are type-safe, performant, and secure.

Installation

To integrate this skill into your OpenClaw environment, execute the following command in your terminal: clawhub install openclaw/skills/skills/anivar/zod-skill

Use Cases

  • API Boundary Protection: Validate incoming JSON payloads, headers, and query parameters to ensure they match expected TypeScript interfaces before reaching your business logic.
  • Form Validation: Seamlessly integrate with frontend form libraries to provide type-safe, user-friendly validation schemas.
  • Environment Configuration: Parse and validate process.env variables at application startup, providing clear error messages for missing or malformed configuration keys.
  • Type Migration: Upgrade existing Zod v3 projects to v4, specifically targeting replacements for removed features like z.lazy() and the updated error reporting system.
  • Complex Data Transformation: Using .pipe() and .transform() to safely coerce and clean messy external data inputs into clean, internal domain models.

Example Prompts

  1. "I am getting a type error migrating from Zod v3 to v4 regarding recursive types. How do I use the new getter pattern instead of z.lazy?"
  2. "Can you help me write a cross-field validation schema using superRefine that compares password and confirmPassword fields in my registration object?"
  3. "Review this schema implementation for a user profile; I need to make sure I am using safeParse correctly and that I'm not exposing sensitive raw input in my error logs."

Tips & Limitations

  • Rule Priority: Always prioritize parse- and schema- rules. These represent critical security and type-safety boundaries.
  • Performance: For high-throughput applications, prefer z.discriminatedUnion() over standard unions to reduce schema evaluation time.
  • Security: Never enable reportInput: true in production environments, as this can leak PII or credentials via error messages.
  • Version Control: This skill is tuned for Zod ^4.0.0. If you are locked to an older version, please specify the version in your prompt so the agent can provide legacy-compatible guidance.

Metadata

Author@anivar
Stars4473
Views1
Updated2026-05-01
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Add to Configuration

Paste this into your clawhub.json to enable this plugin.

{
  "plugins": {
    "official-anivar-zod-skill": {
      "enabled": true,
      "auto_update": true
    }
  }
}

Tags(AI)

#typescript#validation#schema#zod#developer-tools
Safety Score: 5/5

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