Node.js JDBC MCP Server

What is Node.js JDBC MCP Server?

Node.js JDBC MCP Server is a Model Context Protocol server built on Node.js that provides JDBC connectivity for MySQL, Oracle, and SQLite databases. It allows developers to execute SQL queries via HTTP endpoints within an MCP architecture.

How to use Node.js JDBC MCP Server?

Clone the repository, install dependencies with npm install, and configure the .env file with database credentials. Start the server with npm start or use npm run dev for hot‑reload development. The server exposes GET /health, POST /query, and POST /close endpoints for database operations.

Key features of Node.js JDBC MCP Server

• Supports MySQL, Oracle, and SQLite databases
• Provides health check endpoint (GET /health)
• Executes SQL queries via POST /query
• Closes database connections via POST /close
• Offers development mode with hot reload
• Uses environment variable configuration

Use cases of Node.js JDBC MCP Server

• Execute SQL queries from an MCP‑compatible client
• Manage multiple database types (MySQL, Oracle, SQLite) through a single server
• Build MCP tools that require direct database access
• Prototype or develop database‑backed MCP applications locally

FAQ from Node.js JDBC MCP Server

What databases does it support?

MySQL, Oracle, and SQLite. Oracle support requires installing the Oracle client.

What are the system requirements?

Node.js version 18.0.0 or higher, plus running instances of the target database server.

How do I configure database connections?

Copy .env.example to .env and fill in the connection details for each database type. Environment variables are used for configuration.

Does it require a specific transport or authentication?

The README does not mention authentication; the server listens on HTTP endpoints. Use environment variables to manage sensitive credentials in production.

How do I close a database connection?

Send a POST /close request with a JSON body containing the database type (e.g., {"type": "mysql"}).