MCP Stdio Server (MySQL/MariaDB)

What is MCP Stdio Server (MySQL/MariaDB)?

MCP Stdio Server (MySQL/MariaDB) is a Python-based Model Context Protocol (MCP) server that connects to MySQL or MariaDB databases via stdio transport. It returns table structures, relationships, and provides database analysis, query optimization, and monitoring capabilities, designed for integration with Cursor IDE.

How to use MCP Stdio Server (MySQL/MariaDB)?

Clone the repository, create a Python virtual environment, install dependencies, and set database credentials in a .env file (DB_HOST, DB_USER, DB_PASSWORD, DB_NAME). Run the server by adding a stdio MCP server in Cursor IDE with command python main.py; optionally pass environment variables per project via JSON configuration.

Key features of MCP Stdio Server (MySQL/MariaDB)

• Built on the official MCP Python SDK
• Stdio transport for Cursor IDE integration
• Configurable via .env file or JSON env values
• Returns schema, columns, and foreign key relationships
• Provides read‑only query execution and EXPLAIN plans
• Offers table statistics, column stats, and sample data
• Includes database monitoring and performance analysis

Use cases of MCP Stdio Server (MySQL/MariaDB)

• Retrieve and visualize database schema and foreign keys
• Analyze table statistics and column distributions
• Execute read‑only queries and get execution plans
• Monitor database status, table sizes, and index usage
• Identify performance bottlenecks and receive optimization suggestions

FAQ from MCP Stdio Server (MySQL/MariaDB)

What are the runtime dependencies?

Python 3.8+ and a running MySQL or MariaDB database.

How is the database connection configured?

Credentials are set in a .env file at the project root, or passed as environment variables via Cursor’s MCP server JSON configuration.

Which transport does the server use?

It uses stdio transport, enabling seamless integration with Cursor IDE.

Is query execution read‑only?

Yes, the mysql.execute_query method is safe and read‑only; no write operations are performed.

What database information is returned?

The server returns table lists, column details, foreign key relationships, table statistics, sample data, query execution plans, and performance metrics.