What output formats are supported for the seed scripts?

It can generate standard SQL INSERT statements as well as language-specific scripts for ORMs like Prisma, TypeORM, or Sequelize in JavaScript/TypeScript.

Does it support complex data types like JSON or UUIDs?

Yes, by analyzing your schema constraints, the skill uses appropriate Faker providers to generate data matching specific types like UUIDs, JSON blobs, or dates.

How does it ensure data consistency across tables?

The skill analyzes your schema's foreign key relationships to ensure that linked tables contain matching IDs and valid references during the generation process.

Can I specify the number of records to generate?

Yes, you can request a specific count, such as 'Generate 100 users', and the skill will scale the data output and relational links accordingly.

Database Seed Data Generator

Name: Database Seed Data Generator
Author: jeremylongshore

byjeremylongshore

•

883

Database Management

Generates realistic, schema-aware test data and database seed scripts to populate development and testing environments efficiently.

About

This skill empowers Claude to automate the creation of high-quality database seed scripts by analyzing your existing schema and leveraging Faker libraries. It produces consistent, relationally-sound data across multiple tables, ensuring foreign key integrity is maintained while allowing for configurable data volumes. It is ideal for developers who need to quickly mock up production-like environments for local development, automated testing, or stakeholder demonstrations without manual data entry.

Key Features

Configurable data volume for small or large-scale testing
Relational integrity maintenance for foreign key constraints
Support for multiple output formats including SQL and JavaScript
883 GitHub stars
Automatic schema analysis for structure and relationships
Realistic data generation using localized Faker libraries

Use Cases

Creating idempotent seed scripts for automated CI/CD pipelines
Populating local development databases with believable sample users and content
Generating diverse edge-case datasets for unit and integration testing

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jeremylongshore/claude-code-plugins-plus-skills data-seeder-generator

For use in Claude.ai and ChatGPT

Download Skill

GitHub