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# MCP-MongoDB-MySQL-Server
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> 这是一个基于 [enemyrr/mcp-mysql-server](https://github.com/enemyrr/mcp-mysql-server) 项目的二次开发版本，添加了MongoDB支持。
>
> This is a fork of [enemyrr/mcp-mysql-server](https://github.com/enemyrr/mcp-mysql-server) with added MongoDB support.
## 项目简介 | Introduction
这是一个Model Context Protocol服务器，提供MySQL和MongoDB数据库操作功能。该服务器使AI模型能够通过标准化接口与MySQL和MongoDB数据库交互。
A Model Context Protocol server that provides MySQL and MongoDB database operations. This server enables AI models to interact with MySQL and MongoDB databases through a standardized interface.
## 二次开发说明 | About This Fork
**作者 | Author**: yaoxiaolinglong
**二次开发原因 | Reason for Fork**: 原项目只支持MySQL数据库，但在实际应用中经常需要使用MongoDB。由于找不到现成的MongoDB MCP工具，因此在原项目基础上添加了MongoDB支持，使其成为一个同时支持MySQL和MongoDB的数据库服务器。
The original project only supports MySQL database, but MongoDB is often needed in practical applications. Due to the lack of ready-made MongoDB MCP tools, MongoDB support was added to the original project, making it a database server that supports both MySQL and MongoDB.
## 安装与设置 | Installation & Setup for Cursor IDE
### 通过Smithery安装 | Installing via Smithery
通过[Smithery](https://smithery.ai/server/@yaoxiaolinglong/mcp-mongodb-mysql-server)为Claude Desktop自动安装MySQL/MongoDB数据库服务器：
To install MySQL/MongoDB Database Server for Claude Desktop automatically via [Smithery](https://smithery.ai/server/@yaoxiaolinglong/mcp-mongodb-mysql-server):
```bash
npx -y @smithery/cli install @yaoxiaolinglong/mcp-mongodb-mysql-server --client claude
```
### 手动安装 | Installing Manually
1. 克隆并构建项目 | Clone and build the project:
```bash
git clone https://github.com/yaoxiaolinglong/mcp-mongodb-mysql-server.git
cd mcp-mongodb-mysql-server
npm install
npm run build
```
2. 在Cursor IDE设置中添加服务器 | Add the server in Cursor IDE settings:
- 打开命令面板(Cmd/Ctrl + Shift + P) | Open Command Palette (Cmd/Ctrl + Shift + P)
- 搜索"MCP: Add Server" | Search for "MCP: Add Server"
- 填写以下字段 | Fill in the fields:
- 名称 | Name: `mysql-mongodb`
- 类型 | Type: `command`
- 命令 | Command: `node /absolute/path/to/mcp-mongodb-mysql-server/build/index.js`
> **注意 | Note**: 将`/absolute/path/to/`替换为您克隆并构建项目的实际路径。
>
> Replace `/absolute/path/to/` with the actual path where you cloned and built the project.
## 数据库配置 | Database Configuration
### MySQL配置 | MySQL Configuration
您可以通过以下三种方式配置MySQL数据库连接：
You can configure the MySQL database connection in three ways:
1. **.env文件中的数据库URL（推荐）| Database URL in .env (Recommended)**:
```env
DATABASE_URL=mysql://user:password@host:3306/database
```
2. **.env文件中的单独参数 | Individual Parameters in .env**:
```env
DB_HOST=localhost
DB_USER=your_user
DB_PASSWORD=your_password
DB_DATABASE=your_database
```
3. **通过工具直接连接 | Direct Connection via Tool**:
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "connect_db",
arguments: {
url: "mysql://user:password@host:3306/database"
// 或者 | OR
workspace: "/path/to/your/project" // 将使用项目的.env文件 | Will use project's .env
// 或者 | OR
host: "localhost",
user: "your_user",
password: "your_password",
database: "your_database"
}
});
```
### MongoDB配置 | MongoDB Configuration
您可以通过以下三种方式配置MongoDB数据库连接：
You can configure the MongoDB database connection in three ways:
1. **.env文件中的MongoDB URL（推荐）| MongoDB URL in .env (Recommended)**:
```env
MONGODB_URI=mongodb://user:password@host:27017/database
MONGODB_DATABASE=your_database
```
2. **通过工具直接连接 | Direct Connection via Tool**:
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "connect_mongodb",
arguments: {
url: "mongodb://user:password@host:27017/database"
// 或者 | OR
workspace: "/path/to/your/project" // 将使用项目的.env文件 | Will use project's .env
// 或者 | OR
database: "your_database" // 将使用默认连接URI | Will use default connection URI
}
});
```
## 可用工具 | Available Tools
### MySQL工具 | MySQL Tools
#### 1. connect_db
连接到MySQL数据库，使用URL、工作区路径或直接凭据。
Connect to MySQL database using URL, workspace path, or direct credentials.
#### 2. query
执行SELECT查询，支持可选的预处理语句参数。
Execute SELECT queries with optional prepared statement parameters.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "query",
arguments: {
sql: "SELECT * FROM users WHERE id = ?",
params: [1]
}
});
```
#### 3. execute
执行INSERT、UPDATE或DELETE查询，支持可选的预处理语句参数。
Execute INSERT, UPDATE, or DELETE queries with optional prepared statement parameters.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "execute",
arguments: {
sql: "INSERT INTO users (name, email) VALUES (?, ?)",
params: ["John Doe", "john@example.com"]
}
});
```
#### 4. list_tables
列出连接的数据库中的所有表。
List all tables in the connected database.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "list_tables"
});
```
#### 5. describe_table
获取特定表的结构。
Get the structure of a specific table.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "describe_table",
arguments: {
table: "users"
}
});
```
#### 6. create_table
创建一个新表，指定字段和索引。
Create a new table with specified fields and indexes.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "create_table",
arguments: {
table: "users",
fields: [
{
name: "id",
type: "int",
autoIncrement: true,
primary: true
},
{
name: "email",
type: "varchar",
length: 255,
nullable: false
}
],
indexes: [
{
name: "email_idx",
columns: ["email"],
unique: true
}
]
}
});
```
#### 7. add_column
向现有表添加新列。
Add a new column to an existing table.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "add_column",
arguments: {
table: "users",
field: {
name: "phone",
type: "varchar",
length: 20,
nullable: true
}
}
});
```
### MongoDB工具 | MongoDB Tools
#### 1. connect_mongodb
连接到MongoDB数据库，使用URL、工作区路径或数据库名称。
Connect to MongoDB database using URL, workspace path, or database name.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "connect_mongodb",
arguments: {
url: "mongodb://user:password@host:27017/database"
}
});
```
#### 2. mongodb_list_collections
列出连接的MongoDB数据库中的所有集合。
List all collections in the connected MongoDB database.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "mongodb_list_collections"
});
```
#### 3. mongodb_find
在MongoDB集合中查找文档，支持可选的过滤器、限制、跳过和排序。
Find documents in a MongoDB collection with optional filter, limit, skip, and sort.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "mongodb_find",
arguments: {
collection: "users",
filter: { age: { $gt: 18 } },
limit: 10,
skip: 0,
sort: { name: 1 }
}
});
```
#### 4. mongodb_insert
向MongoDB集合中插入文档。
Insert documents into a MongoDB collection.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "mongodb_insert",
arguments: {
collection: "users",
documents: [
{ name: "John Doe", email: "john@example.com", age: 30 },
{ name: "Jane Smith", email: "jane@example.com", age: 25 }
]
}
});
```
#### 5. mongodb_update
更新MongoDB集合中的文档。
Update documents in a MongoDB collection.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "mongodb_update",
arguments: {
collection: "users",
filter: { name: "John Doe" },
update: { $set: { age: 31 } },
many: false // 只更新一个文档（默认）| Update only one document (default)
}
});
```
#### 6. mongodb_delete
从MongoDB集合中删除文档。
Delete documents from a MongoDB collection.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "mongodb_delete",
arguments: {
collection: "users",
filter: { name: "John Doe" },
many: false // 只删除一个文档（默认）| Delete only one document (default)
}
});
```
#### 7. mongodb_create_collection
在MongoDB中创建新集合。
Create a new collection in MongoDB.
```typescript
use_mcp_tool({
server_name: "mysql-mongodb",
tool_name: "mongodb_create_collection",
arguments: {
collection: "new_collection",
options: { capped: true, size: 1000000 }
}
});
```
## 功能特点 | Features
- 多种连接方法（URL、工作区、直接参数）| Multiple connection methods (URL, workspace, direct)
- 同时支持MySQL和MongoDB数据库 | Support for both MySQL and MongoDB databases
- 安全的连接处理和自动清理 | Secure connection handling with automatic cleanup
- MySQL查询参数的预处理语句支持 | Prepared statement support for MySQL query parameters
- 两种数据库的架构管理工具 | Schema management tools for both databases
- 全面的错误处理和验证 | Comprehensive error handling and validation
- TypeScript支持 | TypeScript support
- 自动工作区检测 | Automatic workspace detection
## 安全性 | Security
- 在MySQL中使用预处理语句防止SQL注入 | Uses prepared statements to prevent SQL injection in MySQL
- 通过环境变量支持安全密码处理 | Supports secure password handling through environment variables
- 执行前验证查询和操作 | Validates queries and operations before execution
- 自动关闭连接 | Automatically closes connections when done
## 错误处理 | Error Handling
服务器提供以下详细错误消息：| The server provides detailed error messages for:
- 连接失败 | Connection failures
- 无效的查询或参数 | Invalid queries or parameters
- 缺少配置 | Missing configuration
- 数据库错误 | Database errors
- 架构验证错误 | Schema validation errors
## 贡献 | Contributing
欢迎贡献！请随时提交Pull Request到 https://github.com/yaoxiaolinglong/mcp-mongodb-mysql-server
Contributions are welcome! Please feel free to submit a Pull Request to https://github.com/yaoxiaolinglong/mcp-mongodb-mysql-server
## 致谢 | Acknowledgements
本项目基于 [enemyrr/mcp-mysql-server](https://github.com/enemyrr/mcp-mysql-server) 开发，感谢原作者的贡献。
This project is based on [enemyrr/mcp-mysql-server](https://github.com/enemyrr/mcp-mysql-server). Thanks to the original author for their contribution.
## 许可证 | License
MIT
