MySQL MCP Server

Integrates with MySQL databases to provide secure database access for LLMs.

GitHub

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

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"
      }
    }
  }
}
  1. 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

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