command-mock-data

A Claude Code slash command for generating realistic test data from types or schemas.

Installation

# Clone to your preferred location
git clone git@github.com:claude-commands/command-mock-data.git <clone-path>/command-mock-data

# Symlink (use full path to cloned repo)
ln -s <clone-path>/command-mock-data/mock-data.md ~/.claude/commands/mock-data.md

Usage

/mock-data User 10           # Generate 10 mock users
/mock-data Order             # Generate mock orders
/mock-data --factory User    # Create factory function
/mock-data --seed            # Generate database seed
/mock-data --all             # Generate for all models

What it does

1. Finds types/models in your project
2. Analyzes field types and constraints
3. Generates realistic, contextual data
4. Outputs as JSON, factory, or seed file
5. Handles relationships between models

Output Formats

JSON Fixtures

{
  "users": [
    { "id": "uuid", "email": "alice@example.com", "name": "Alice" }
  ]
}

Factory Function

export const createMockUser = (overrides = {}) => ({
  id: faker.string.uuid(),
  email: faker.internet.email(),
  ...overrides,
});

Database Seed

await prisma.user.createMany({ data: users });

Field Type Mapping

Type	Generated Example
email	alice@example.com
name	Alice Smith
uuid	550e8400-e29b...
date	2025-01-15T10:30:00Z
phone	+1-555-123-4567
url	https://example.com

Requirements

• TypeScript/Prisma/TypeORM project with types
• Claude Code with Opus 4.5 model access

Updates

cd <clone-path>/command-mock-data && git pull