yooztech_mcp_mysql
Enables secure read-only access to MySQL databases with automatic database inference from project context. Provides safe querying capabilities with built-in security features like parameterized queries, whitelisting, and rate limiting.
README
yooztech_mcp_mysql —— 基于 MCP 的 MySQL 工具(只读、安全、支持库推断)
该 MCP 服务器在 MCP 客户端中提供安全的 MySQL 读取能力:
list_databases():列出当前账号可访问的非系统库infer_database(project_root=None, include_evidence=false):根据项目内容推断库名(默认仅返回{ db },可选返回最小化证据统计,不含文件路径/内容)list_tables(db=None):列出库内表(未传db时使用已推断库或自动选择)get_table_schema(table, db=None):获取表结构(列定义、主键、索引、表注释)select_rows(table, db=None, columns=None, where=None, order_by=None, limit=100):从库表安全查询
安全设计
- 表/列白名单:从
information_schema动态获取并校验 - 参数化查询:拒绝拼接与多语句
- 限流:默认
LIMIT 100,最大LIMIT 1000 - 隐私:推断时不回传文件路径/内容;如需证据仅返回脱敏统计
在 Cursor 中配置
在 Cursor 的设置中添加 MCP Server,示例(仅示意,不包含本地路径):
{
"mcpServers": {
"yooztech_mcp_mysql": {
"command": "yooztech_mcp_mysql",
"args": [],
"env": {
"DB_HOST": "127.0.0.1",
"DB_PORT": "3306",
"DB_USER": "mcp_tool",
"DB_PASS": "<your-strong-pass>"
}
}
}
}
说明:
- 以上配置假设你已通过包管理器安装本工具(例如
pip install yooztech_mcp_mysql),从而可直接使用控制台脚本yooztech_mcp_mysql。 - 若使用其他运行方式(如 uvx/容器),仅需将
command与args改为相应启动方式即可,但不要在 README 中暴露你的本地路径。
使用 uvx 方式(推荐,免安装)
如希望在不全局安装包的情况下运行,可在 Cursor 中使用 uvx:
{
"mcpServers": {
"yooztech_mcp_mysql": {
"command": "uvx",
"args": ["yooztech_mcp_mysql"],
"env": {
"DB_HOST": "127.0.0.1",
"DB_PORT": "3306",
"DB_USER": "mcp_tool",
"DB_PASS": "<your-strong-pass>"
}
}
}
}
提示:确保系统已安装 uv/uvx。企业私有镜像可通过 UV_INDEX/--index-url 进行加速配置。
环境变量
DB_HOST:数据库地址DB_PORT:数据库端口DB_USER:数据库只读账号(最小权限)DB_PASS:数据库密码
推荐在数据库中为该工具创建最小权限账号(示例):
CREATE USER 'mcp_tool'@'10.0.%' IDENTIFIED BY '<your-strong-pass>';
GRANT SELECT ON *.* TO 'mcp_tool'@'10.0.%';
FLUSH PRIVILEGES;
如需进一步收紧权限,可按库或表粒度授予 SELECT。
使用建议(在 MCP 客户端中调用)
- 先调用
list_databases查看可访问库 - 再调用
infer_database自动推断当前项目使用的库(默认仅返回{ db }) - 随后调用
list_tables/select_rows(不传db时将使用推断库;如有歧义请显式传入db)
版本与许可证
- 版本遵循语义化版本(SemVer)
- 许可证:MIT(详见包内 LICENSE)
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