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JansenAnalytics
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seed-data

Generate seed data for any database schema using schema.json into SQL, JSON, or CSV formats.

5|Updated Apr 8, 2026
Search Tags:#schema#fixtures#test-data#data-generation#seed-data#timeseries#database-seed
One-click install
npx skills add https://github.com/JansenAnalytics/claudex --skill seed-data-jansenanalytics
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: seed-data
Source: https://github.com/JansenAnalytics/claudex/tree/main/skills/seed-data
Command: npx skills add https://github.com/JansenAnalytics/claudex --skill seed-data-jansenanalytics

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires faker, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Create realistic test and seed data for any database schema quickly and reproducibly, reducing manual data setup and enabling accurate testing and demos.

Core Features & Use Cases

  • Schema-driven data generation for common entities (users, products, orders) and time-series patterns.
  • Output formats include SQL, JSON, and CSV for flexible integration with your pipelines.
  • Reproducible results via seed controls and configurable distributions for realistic datasets.

Quick Start

Run the seed-gen script with your schema.json to generate sample data.

Frequently Asked Questions about seed-data

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate realistic test data for my database schema?▼

You can generate realistic test data for your database schema by running the configurable generator with a schema.json file, producing reproducible datasets for users, products, orders, and time-series patterns.

What is the best way to create reproducible seed data across development and demo environments?▼

The best way to create reproducible seed data across environments is to use a schema-driven generator with seed controls. This ensures your datasets are consistent and compatible for accurate testing and demos.

Can I export generated test data into SQL, JSON, and CSV formats?▼

Yes, you can output generated test data into SQL, JSON, and CSV formats, enabling flexible integration with your downstream data pipelines and database systems.

Does the data generator support time-series and financial data patterns?▼

Yes, the data generator supports time-series and financial data patterns alongside common entities like users, products, and orders, validating compatibility against your provided schema.json.

Do I need a schema.json file to generate fixtures for my database?▼

Yes, you need a schema.json file to generate fixtures. The generator validates schema compatibility against this file to ensure the output test data accurately matches your database structure.

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