MCP server for MySQL (read-only, database-scoped)
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## 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: - `connect_project_database(project_root)`:识别项目类型,直接读取项目数据库配置并建立连接;凭据不会返回给 AI - `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 - 凭据隔离:项目配置只在 MCP 进程内部读取,工具响应仅包含连接状态、项目类型和数据库名 ### 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): ```json { "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`: ```json { "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): ```sql 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) - 如项目自带数据库配置,先调用 `connect_project_database(pr…
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