mysqlDbMcp
Provides tools for interacting with MySQL databases, including metadata exploration (databases, tables, fields, indexes, primary keys, foreign keys), read-only query execution with parameterization, EXPLAIN, and optional write operations when enabled. Supports multiple data sources and enforces security constraints like whitelists and audit logging.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@mysqlDbMcpShow me the schema of the customers table"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
mysqlDbMcp
生产级 MySQL MCP 服务:多数据源 YAML 配置,同时支持 MCP CLI(stdio) 与 MCP HTTP(Streamable HTTP),默认全局只读,兼容 MySQL 5.7 / 8.0。
仓库:https://github.com/ErrSilent/mysqlDbMcp
能力一览
类别 | 内容 |
元数据 | 库 / 表 / 字段 / 索引 / 主键 / 外键 |
查询 | 只读 SQL、 |
安全 | 默认只读、危险 SQL 拦截、行数与超时、库表白名单、审计日志、参数化查询;写入需显式开关 |
连接 | 每数据源独立连接池、请求会话隔离、运行时按 |
协议 | Tools + Resources + Prompts;stdio / HTTP |
可选模块 | 慢 SQL、健康巡检、测试数据生成、向量检索(YAML 开关,默认关闭) |
Related MCP server: OpenCode MySQL Connector
快速开始(Linux / macOS)
./scripts/install.sh
cp config/config.example.yaml config/config.yaml
# 编辑 config/config.yaml 中的 datasources / security
./scripts/start-stdio.sh # MCP CLI
# 或
./scripts/start-http.sh # MCP HTTP → http://127.0.0.1:3100/mcp快速开始(Windows)
scripts\install.bat
copy config\config.example.yaml config\config.yaml
scripts\start-stdio.bat
scripts\start-http.bat手动启动:
npm ci && npm run build
node dist/index.js --mode stdio --config ./config/config.yaml
node dist/index.js --mode http --config ./config/config.yaml配置说明
所有业务参数来自外部 YAML,禁止依赖代码内硬编码。模板见 config/config.example.yaml。
要点:
datasources[]:多 MySQL 源;第一项为默认源。security.readonly: true(默认)+allow_write: false:彻底关闭写能力;run_write不会注册。打开写入必须同时满足:
readonly: false、allow_write: true、目标源force_readonly: false。即使用写打开,DROP/ALTER/TRUNCATE/CREATE/...仍被拦截。max_rows/query_timeout_ms:结果截断与超时(5.7 用应用层超时;8.0 额外尝试max_execution_time)。whitelist.databases/tables:库表白名单(*表示不限制名称,但仍受账号权限约束)。security.audit:JSONL 全量操作审计。modules.*.enabled:可选模块开关。
MCP Tools
Tool | 说明 |
| 列出数据源 |
| 库列表(白名单过滤) |
| 表列表 |
| 字段 |
| 索引 |
| 主键 |
| 外键 |
| 只读 SQL(支持 |
| 执行计划 |
| 仅当写入开关打开时注册 |
Resources:mysql://datasources、mysql://{ds}/databases、mysql://{ds}/{db}/tables、mysql://{ds}/{db}/{table}/schema
Prompts:analyze_schema、optimize_query、draft_readonly_sql
调用示例
Stdio / 客户端配置:
examples/mcp-cli-call.mdHTTP / curl:
examples/mcp-http-call.md
生产安全清单
生产账号只授予
SELECT(及必要的SHOW VIEW/PROCESS等),不要用高权限账号。保持
readonly: true、allow_write: false、各源force_readonly: true。收紧
whitelist,避免*。设置合理的
max_rows与query_timeout_ms。开启审计并轮转
logs/audit.jsonl。HTTP 模式务必配置
server.http.auth_token,并在反向代理终止 TLS。客户端优先使用
params参数化,避免拼接 SQL。错误以结构化 JSON 返回:
{ "code", "message", "details?" }。
开发与验证
npm run typecheck
npm run seed # 需要本地 MySQL(默认 mcp/mcp @ mcp_demo)
npm run e2e # stdio 端到端(含危险 SQL 拒绝)Cursor Cloud Agent 环境见 .cursor/(MySQL 8 + Node 22,启动时初始化演示库)。
许可证
以仓库声明为准。
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