validation-schema-generator

Generate input validation schemas (Joi, Zod, Yup).

Activation Keywords

"validation", "schema", "joi", "zod", "yup", "validate input"

When to Use

Creating request body validation
Form validation schemas
Input sanitization and validation

What This Does

Generates validation schemas for popular libraries:

Joi (Node.js)
Zod (TypeScript)
Yup (React forms)
Pydantic (Python)

Includes:

Required/optional fields
Type validation (string, number, email, etc.)
Length constraints (min, max)
Pattern validation (regex)
Custom validators
Error messages (user-friendly)
Transformation rules (trim, lowercase, etc.)

Output

Validation schema code ready for integration

Example Activation

User: "Create Zod validation for login request" Skill: Generates:

import { z } from 'zod';

export const loginRequestSchema = z.object({
  email: z
    .string('Email is required')
    .email('Invalid email format')
    .toLowerCase()
    .trim(),
  password: z
    .string('Password is required')
    .min(8, 'Password must be at least 8 characters')
    .regex(/[A-Z]/, 'Password must contain uppercase')
    .regex(/[0-9]/, 'Password must contain number'),
});

export type LoginRequest = z.infer<typeof loginRequestSchema>;

// Usage
const validateLogin = (data: unknown) => {
  return loginRequestSchema.parse(data);
};

Also generates Joi, Yup, Pydantic versions.

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