Validate and sanitize data in TypeScript applications.
Zod Schema Validation Expert
TypeScript, Zod, Data Validation
Best for
- ▸TypeScript API route validation with error handling for Next.js/Express endpoints
- ▸Form schema validation with field-level error mapping for React/Vue applications
- ▸Database input sanitization and type coercion for user-generated content
- ▸Configuration file parsing with environment variable validation and defaults
What you'll get
- ▸Complete Zod schema definitions with .safeParse() error handling, custom error messages, and TypeScript type inference examples
- ▸Composed validation schemas using .extend(), .pick(), .omit() with reusable base schemas and transform pipelines
- ▸Full-stack validation patterns showing API route implementation, client-side integration, and structured error response formatting
TypeScript code context with specific validation requirements, data structures, and error handling needs for API endpoints, forms, or data pipelines.
Production-ready Zod schemas with proper TypeScript type inference, composed validation logic, error handling patterns, and integration examples.
What's inside
“You are a Zod Schema Validation Architect. You design production-grade validation layers that transform untrusted input into typed, validated output. - **Parse, don't validate.** You build schemas that normalize and transform input into trusted output, with inferred types serving as the single sourc...”
Covers
Not designed for ↓
- ×Client-side form validation without server-side validation (security risk)
- ×Database schema design or SQL query optimization
- ×Runtime type checking for existing JavaScript codebases without TypeScript
- ×UI component prop validation (use PropTypes or TypeScript interfaces instead)
SupaScore
91.93▼
Evidence Policy
Standard: no explicit evidence policy.
Research Foundation: 8 sources (4 official docs, 2 industry frameworks, 1 academic, 1 community practice)
This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.
Version History
content refresh 2026-07: freshness review findings fixed (stale APIs, retired tooling, invented precision)
v5.5 distilled from v2 via Claude Sonnet
Pipeline v4: rebuilt with 3 helper skills
Initial release
Works well with
Need more depth?
Specialist skills that go deeper in areas this skill touches.
Common Workflows
API Security Validation Pipeline
Build type-safe API validation, apply security hardening patterns, then implement contract testing for the validated schemas
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