SeedBase — Synthetic Test Data MCP Server

@marcelglaeser

Basic information

About SeedBase — Synthetic Test Data MCP Server

Generate realistic, FK-consistent test data for your databases from your AI assistant. List projects, get schema DDL, generate datasets as SQL.

#test-data #database #postgres #mysql #synthetic-data #developer-tools

SeedBase — Synthetic Test Data MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "seedbase": {
      "command": "npx",
      "args": [
        "-y",
        "-p",
        "@seedbase/client",
        "seedbase-mcp"
      ],
      "env": {
        "SEEDBASE_API_KEY": "<YOUR_API_KEY>"
      }
    }
  }
}

SeedBase — Synthetic Test Data MCP Server tools

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Overview

What is SeedBase — Synthetic Test Data?

SeedBase turns a database schema into realistic synthetic test data with foreign key consistency and realistic distributions. It is an MCP server that brings this capability into an AI assistant.

How to use SeedBase — Synthetic Test Data?

Create a free account and API key at seedba.se, then connect via hosted endpoint (https://seedba.se/mcp with a Bearer dr_sk_… header) or local stdio mode using npx -y -p @seedbase/client seedbase-mcp with the SEEDBASE_API_KEY environment variable. Tools include list_projects, get_ddl, generate_test_data, and fetch_generation.

Key features of SeedBase — Synthetic Test Data

Generates FK-consistent synthetic data from any database schema
Returns data as SQL statements ready to insert
Supports multiple SQL dialects via get_ddl
Provides async generation with result polling
Free tier available, EU-hosted, no third-party scripts

Use cases of SeedBase — Synthetic Test Data

Populate development or staging databases with realistic test data
Generate edge-case datasets for QA testing
Quickly create demo data for presentations or prototypes

Frequently asked questions

How is the test data generated?

It reads your database schema and generates realistic data with proper foreign key relationships and distribution patterns resembling real usage.

What are the runtime requirements?

For hosted mode, only an HTTP client and API key. For local mode, Node.js and npm are required to run the npx command.

Where is my data hosted?

SeedBase is EU-hosted and claims zero third-party scripts. The server interacts with the SeedBase API; schema data is sent for generation.

What transport and authentication are used?

Local mode uses stdio transport; hosted mode uses HTTP. Authentication is via Bearer token (API key) in the Authorization header.

Are there any limits?

The README mentions a free tier but does not specify exact limits.

Comments

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