MySQL MCP Server

An MCP server implementation that integrates with MySQL databases, providing secure database access capabilities for LLMs.

Features

• Read Operations

  • Execute read-only SELECT queries

  • List all database tables

  • Show table structures

  • View schema information

• Write Operations

  • Execute INSERT/UPDATE/DELETE with transaction support

  • Parameterized queries for data safety

  • Returns affected rows and insert IDs

• Security

  • Read-only transaction mode for SELECT queries

  • Query length and result size limits

  • Performance monitoring and logging

  • Automatic transaction handling

Related MCP server: mysqldb-mcp-server

Installation

npm install -g @kevinwatt/mysql-mcp

Usage with Dive Desktop

1. Click "+ Add MCP Server" in Dive Desktop

2. Copy and paste this configuration:

{
  "mcpServers": {
    "mysql": {
      "command": "npx",
      "args": [
        "-y",
        "@kevinwatt/mysql-mcp"
      ],
      "env": {
        "MYSQL_HOST": "127.0.0.1",
        "MYSQL_PORT": "3306",
        "MYSQL_USER": "root",
        "MYSQL_PASS": "",
        "MYSQL_DB": "your_database"
      }
    }
  }
}

3. Click "Save" to install the MCP server

Tool Documentation

• mysql_query

  • Execute read-only SELECT queries

  • Inputs:

    • sql (string): SQL SELECT query to execute

  • Limits:

    • Maximum query length: 4096 characters

    • Maximum result rows: 1000

    • Query timeout: 30 seconds

• mysql_execute

  • Execute data modification operations

  • Inputs:

    • sql (string): SQL statement (INSERT/UPDATE/DELETE)

    • params (array, optional): Parameters for the SQL statement

  • Features:

    • Returns affected rows count

    • Returns last insert ID

    • Automatic transaction handling

• list_tables

  • List all tables in current database

  • No inputs required

• describe_table

  • Show table structure

  • Inputs:

    • table (string): Table name to describe

Usage Examples

Ask your LLM to:

"Show me all tables in the database"
"Describe the structure of users table"
"Select all active users from the database"
"Insert a new record into orders table"

Manual Start

If needed, start the server manually:

npx @kevinwatt/mysql-mcp

Requirements

• Node.js 18+

• MySQL Server

• MCP-compatible LLM service

License

MIT

Author

Dewei Yen

Keywords

• mcp

• mysql

• database

• dive

• llm

• ai