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使用FastMCP构建MySql Mcp Server,支持Streamable HTTP, STDIO, SSE,支持读写权限控制

Project description

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MySQL MCP Dolphin

项目简介

MySQL MCP Dolphin 是一个基于 FastMCP 的 MySQL MCP Server项目,提供了一个安全、高效的接口来执行 SQL 操作。该项目支持多种权限控制(读、写、管理员),并通过工具函数实现了表结构查询、索引信息获取、健康状态监控等功能。

目录结构

.
├── src
│   └── mysql_mcp_dolphin
│       ├── __init__.py
│       ├── config.py
│       └── mcp_server.py
├── README.md
└── pyproject.toml

快速开始

  1. 安装:pip install mysql-mcp-dolphin
  2. 执行命令的目录创建一个 .env 文件,内容如下:
MYSQL_HOST=localhost
MYSQL_PORT=3306
MYSQL_USER=your_username
MYSQL_PASSWORD=your_password
MYSQL_DATABASE=your_database
MYSQL_ROLE=r # 可选值: r, w, a
MYSQL_MAXSIZE=2 # 可选值 连接池最大值
  1. 启动命令:
    • STDIO:uv run -m mysql_mcp_dolphin.mcp_server
    • Streamable HTTP: uv run -m mysql_mcp_dolphin.mcp_server sh
    • SSE: uv run -m mysql_mcp_dolphin.mcp_server sse
  2. 使用 MCP 客户端连接服务并执行 SQL 操作。

功能特性

  • SQL 执行:支持执行多条 SQL 语句,并返回结果。
  • 权限控制:根据角色(读、写、管理员)限制 SQL 操作。
  • 表结构查询:获取指定表的字段名、字段注释等信息。
  • 索引信息获取:获取指定表的索引名、索引字段、索引类型等信息。
  • 健康状态监控:获取 MySQL 的健康状态,包括连接数、查询次数、缓冲池使用情况等。

权限控制

权限控制通过 PERMISSIONS 字典实现,支持以下角色:

  • r:只读权限,允许执行 SELECT, SHOW, DESCRIBE, EXPLAIN, USE 操作。
  • w:读写权限,允许执行 SELECT, SHOW, DESCRIBE, EXPLAIN, INSERT, UPDATE, DELETE, USE 操作。
  • a:管理员权限,允许执行所有操作,包括 CREATE, ALTER, DROP, TRUNCATE 等。

工具函数

  • execute_sql: 执行 SQL 语句并返回结果,SELECT语句没有LIMIT时,自动在sql后加LIMIT 1000。
  • get_table_structure: 获取指定表的字段信息。
  • get_table_indexes: 获取指定表的索引信息。
  • search_table_by_name: 根据表名或表注释搜索数据库中对应的表名。
  • get_mysql_health: 获取 MySQL 的健康状态。
  • get_database_info: 获取数据库基本信息
  • get_database_tables: 获取数据库所有表和对应的表注释
  • analyze_table_stats: 分析表统计信息和列统计信息
  • get_process_list: 获取当前进程列表
  • check_table_constraints: 检查表约束信息

部署方式

使用 uvx 部署

在 MCP 配置文件中添加如下配置,以使用 uvx 部署 MySQL MCP Dolphin 服务:

STDIO

{
  "mcpServers": {
    "mysql_mcp_dolphin": {
      "command": "uvx",
      "args": [
        "mysql_mcp_dolphin"
      ],
      "env": {
         "MYSQL_HOST": "", 
         "MYSQL_PORT": "3306",
         "MYSQL_USER": "",
         "MYSQL_PASSWORD": "",
         "MYSQL_DATABASE": "",
         "MYSQL_ROLE": "r",
         "MYSQL_MAXSIZE": "2"
      }
    }
  }
}

Streamable HTTP

{
  "mcpServers": {
    "mysql_mcp_dolphin": {
      "name": "mysql_mcp_dolphin",
      "type": "streamableHttp",
      "description": "",
      "isActive": true,
      "url": "http://localhost:9009/mcp"
    }
  }
}

SSE

{
  "mcpServers": {
    "mysql_mcp_dolphin": {
      "name": "mysql_mcp_dolphin",
      "description": "",
      "isActive": true,
      "url": "http://localhost:9009/sse"
    }
  }
}

使用 uv 部署

{
  "mcpServers": {
    "mysql_mcp_dolphin": {
      "command": "uv",
      "args": [
        "--directory",
        "D:/mysql_mcp_dolphin/src/mysql_mcp_dolphin",
        "run",
        "-m",
        "mcp_server"
      ]
    }
  }
}

Streamable HTTP

{
  "mcpServers": {
    "mysql_mcp_dolphin": {
      "command": "uv",
      "args": [
        "--directory",
        "D:/mysql_mcp_dolphin/src/mysql_mcp_dolphin",
        "run",
        "-m",
        "mcp_server",
        "sh"
      ]
    }
  }
}

sse

{
  "mcpServers": {
    "mysql_mcp_dolphin": {
      "command": "uv",
      "args": [
        "--directory",
        "D:/mysql_mcp_dolphin/src/mysql_mcp_dolphinu",
        "run",
        "-m",
        "mcp_server",
        "sse"
      ]
    }
  }
}

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