# 09 - Database and Testing Servers

MCP servers for database and testing: db-schema-explorer, data-mock-generator, test-generator and performance-profiler.

## What you'll learn

- How to explore SQLite database schemas with PRAGMA introspection
- Automatic ERD diagram generation in Mermaid syntax
- Automatic index suggestion for unindexed foreign keys
- Realistic mock data generation with 16 built-in generators
- Automatic unit test skeleton creation from source code

*This article is part of the **MCP** series on federicocalo.dev.*

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## Read the full article

The complete article (13 min read) with code examples, diagrams, and practical exercises is available here:

**➡️ [09 - Database and Testing Servers](https://federicocalo.dev/en/blog/mcp-database-testing-servers)**

`https://federicocalo.dev/en/blog/mcp-database-testing-servers`

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*By [Federico Calò](https://federicocalo.dev) — Software Developer & Technical Writer*