MCP MySQL Server
Enables secure read-only access to MySQL databases through SELECT queries via HTTP SSE interface. Provides safe database exploration and data retrieval with configurable timeout settings.
README
MCP MySQL Server
一个用于连接和查询MySQL数据库的MCP (Model Context Protocol) 服务器。
功能特性
- 通过 SSE (Server-Sent Events) 提供 HTTP 接口
- 连接MySQL数据库
- 执行 SELECT 查询(只读访问)
- 安全的只读模式,不支持 INSERT/UPDATE/DELETE 操作
安装
使用 uv(推荐)
# 安装 uv(如果尚未安装)
pip install uv
# 创建虚拟环境
uv venv
# 激活虚拟环境
.venv\Scripts\activate # Windows
# source .venv/bin/activate # MacOS/Linux
# 安装项目
pip install -e .
使用 pip
# 创建虚拟环境
python -m venv venv
.\venv\Scripts\activate # Windows
# source venv/bin/activate # MacOS/Linux
# 安装项目
pip install -e .
使用方法
启动服务器
# 设置环境变量
export MYSQL_HOST=localhost
export MYSQL_PORT=3306
export MYSQL_USER=your_username
export MYSQL_PASSWORD=your_password
export MYSQL_DATABASE=your_database
export QUERY_TIMEOUT=30 # 查询超时时间(秒)
# Windows PowerShell
$env:MYSQL_HOST="localhost"
$env:MYSQL_PORT="3306"
$env:MYSQL_USER="your_username"
$env:MYSQL_PASSWORD="your_password"
$env:MYSQL_DATABASE="your_database"
$env:QUERY_TIMEOUT="30" # 查询超时时间(秒)
# 启动 SSE 服务器
python -m mcp_mysql.server
# 或
mcp-mysql
# 服务器将运行在 http://localhost:8000
配置参数
环境变量:
MYSQL_HOST- MySQL 服务器地址(默认: localhost)MYSQL_PORT- MySQL 端口(默认: 3306)MYSQL_USER- 数据库用户名(默认: root)MYSQL_PASSWORD- 数据库密码(默认: 空)MYSQL_DATABASE- 数据库名称(默认: 空)QUERY_TIMEOUT- 查询超时时间,单位秒(默认: 30)MCP_HOST- MCP 服务器地址(默认: 0.0.0.0)MCP_PORT- MCP 服务器端口(默认: 8000)
在 Claude Desktop 中配置
在 Claude Desktop 配置文件中添加以下配置:
MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"mysql": {
"url": "http://localhost:8000/sse"
}
}
}
可用工具
- query - 执行 SELECT 查询
sql: 要执行的 SELECT 语句(仅支持 SELECT 查询,保证只读访问)
示例
连接后,你可以:
- "查询 users 表的所有数据:SELECT * FROM users"
- "查询特定条件:SELECT name, email FROM users WHERE id > 10"
- "统计数据:SELECT COUNT(*) FROM orders WHERE status='completed'"
注意: 为了数据安全,本服务器只支持 SELECT 查询,不支持 INSERT、UPDATE、DELETE 等写操作。
安全注意事项
- 请妥善保管数据库凭据
- 建议使用只读账户
- 不要在公共仓库中提交包含密码的配置文件
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