MySQL MCP Server

MySQL MCP Server

Enables AI assistants to directly query MySQL databases, list tables, and view table structures through natural language.

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MySQL MCP Server

MySQL MCP Server 是一个为 Cursor 编辑器设计的 Model Context Protocol (MCP) 服务器,让 AI 助手能够直接查询 MySQL 数据库。

✨ 功能特性

  • 🔍 执行 SQL 查询
  • 📋 列出所有数据表
  • 📊 查看表结构
  • 🔒 安全的环境变量配置
  • ⏱️ 可配置查询超时,防止SQL卡死
  • 🚀 开箱即用,通过 npx 快速启动

📦 安装

方式 1: 使用 npx (推荐)

无需安装,直接在 mcp.json 中配置:

{
  "mcpServers": {
    "mysql": {
      "command": "npx",
      "args": ["-y", "@keevor/mysql-mcp-server"],
      "env": {
        "DB_HOST": "localhost",
        "DB_PORT": "3306",
        "DB_USER": "root",
        "DB_PASSWORD": "your_password",
        "DB_DATABASE": "your_database",
        "DB_QUERY_TIMEOUT": "10"
      }
    }
  }
}

方式 2: 全局安装

npm install -g @keevor/mysql-mcp-server

然后在 mcp.json 中配置:

{
  "mcpServers": {
    "mysql": {
      "command": "mysql-mcp-server",
      "env": {
        "DB_HOST": "localhost",
        "DB_PORT": "3306",
        "DB_USER": "root",
        "DB_PASSWORD": "your_password",
        "DB_DATABASE": "your_database",
        "DB_QUERY_TIMEOUT": "10"
      }
    }
  }
}

🔧 配置说明

通过环境变量配置数据库连接:

环境变量 必需 默认值 说明
DB_HOST ✅ 是 - 数据库主机地址
DB_PORT ❌ 否 3306 数据库端口
DB_USER ✅ 是 - 数据库用户名
DB_PASSWORD ❌ 否 "" 数据库密码
DB_DATABASE ✅ 是 - 数据库名称
DB_CHARSET ❌ 否 utf8mb4 字符集
DB_QUERY_TIMEOUT ❌ 否 10 查询超时时间(秒)

🛠️ 可用工具

在 Cursor 中,AI 可以调用以下工具:

1. query - 执行 SQL 查询

// 示例
query({ sql: "SELECT * FROM users LIMIT 10" })

2. list_tables - 列出所有数据表

// 示例
list_tables()

3. describe_table - 查看表结构

// 示例
describe_table({ table: "users" })

📍 配置文件位置

在 Cursor 中,mcp.json 配置文件的位置:

  • Windows: %APPDATA%\Cursor\User\globalStorage\rooveterinaryinc.roo-cline\settings\mcp.json
  • macOS: ~/Library/Application Support/Cursor/User/globalStorage/rooveterinaryinc.roo-cline/settings/mcp.json
  • Linux: ~/.config/Cursor/User/globalStorage/rooveterinaryinc.roo-cline/settings/mcp.json

🚀 使用示例

在 Cursor 中配置好 MCP 服务器后,你可以这样与 AI 对话:

"查询 users 表中的所有数据"

"列出数据库中的所有表"

"查看 orders 表的结构"

🔒 安全提示

  • ⚠️ 不要在公开的代码仓库中提交包含数据库密码的 mcp.json 文件
  • ⚠️ 建议使用只读账户或限制权限的数据库账户
  • ⚠️ 在生产环境中使用时要特别小心

📝 许可证

MIT License

🤝 贡献

欢迎提交 Issue 和 Pull Request!

📧 联系方式

如有问题,请在 GitHub 上提交 Issue。

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