SQLite MCP Server

SQLite MCP Server

A universal SQLite database management tool that enables SQL query execution through MCP protocol. Supports SELECT/INSERT/UPDATE/DELETE/CREATE operations with built-in SQL injection protection across stdio, SSE, and streamable-http communication modes.

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README

SQLite MCP Server

通用SQLite数据库管理工具,通过MCP协议提供SQL执行能力。

功能特性

  • 执行任意合法的SQL查询
  • 支持SELECT/INSERT/UPDATE/DELETE/CREATE等操作
  • 内置SQL注入防护
  • 支持stdio、SSE和streamable-http三种通信模式
  • 可配置的IP和端口

快速开始

安装依赖

pip install -r requirements.txt

SQLite3 是Python内置模块,无需单独安装。

启动服务器

# 默认配置
python app/main.py

# 自定义配置
# stdio模式
python app/main.py --server_type stdio

# sse模式
python app/main.py --server_type sse --host 0.0.0.0 --port 8000

# streamable-http模式 (注意使用短横线)
python app/main.py --server_type streamable-http --host 127.0.0.1 --port 8080

客户端调用示例

使用提供的客户端类

# 导入客户端类
from client import SQLiteMCPClient

# 创建客户端实例 (默认使用SSE模式)
client = SQLiteMCPClient(server_type="sse", host="localhost", port=8000)

# 创建表
result = client.execute_sql("""
CREATE TABLE IF NOT EXISTS users (
    id INTEGER PRIMARY KEY,
    name TEXT NOT NULL,
    email TEXT UNIQUE,
    age INTEGER
)
""")

# 插入数据 (使用参数化查询防止SQL注入)
result = client.execute_sql(
    "INSERT INTO users (name, email, age) VALUES (?, ?, ?)",
    ["张三", "zhangsan@example.com", 30]
)

# 查询数据
result = client.execute_sql("SELECT * FROM users")
print(result)

# 关闭客户端
client.close()

直接调用MCP工具

# 查询数据
execute_sql({
    "query": "SELECT * FROM table WHERE condition"
})

# 插入数据 (带参数)
execute_sql({
    "query": "INSERT INTO table (col1, col2) VALUES (?, ?)",
    "parameters": ["value1", "value2"]
})

# 创建表
execute_sql({
    "query": "CREATE TABLE IF NOT EXISTS table (id INTEGER PRIMARY KEY, name TEXT)"
})

配置与启动

启动参数

参数 默认值 描述
--server_type sse 服务器类型: stdio/sse/streamable-http
--host 0.0.0.0 监听地址
--port 8000 监听端口
--log_level INFO 日志级别: DEBUG/INFO/WARNING/ERROR

环境变量配置

环境变量 默认值 描述
MCP_HOST 0.0.0.0 监听地址
MCP_PORT 8000 监听端口
MCP_SERVER_TYPE sse 服务器类型 (sse/stdio/streamable-http)

数据库自动创建

服务启动时会自动在项目根目录创建demo.db数据库文件(如果不存在)

启动示例

# SSE模式 (默认)
python app/main.py --server_type sse --port 8000

# stdio模式
python app/main.py --server_type stdio

# streamable-http模式 (注意使用短横线)
python app/main.py --server_type streamable-http --port 8080

# 带调试日志
python app/main.py --log_level DEBUG

JSON配置示例

stdio模式配置

{
  "mcpServers": {
    "sqlite-mcp": {
      "command": "python",
      "args": ["app/main.py", "--server_type", "stdio"]
    }
  }
}

sse模式配置

{
  "mcpServers": {
    "sqlite-mcp": {
      "type": "sse",
      "url": "http://localhost:8000/sse",
      "port": 8000
    }
  }
}

streamable-http模式配置

{
  "mcpServers": {
    "sqlite-mcp": {
      "type": "streamableHttp",
      "url": "http://localhost:8000/mcp",
      "port": 8000,
      "headers": {
        "Content-Type": "application/json"
      }
    }
  }
}

项目结构

SQLite-MCP-Server/
├── app/                 # 主应用代码
│   ├── main.py          # 主入口
│   ├── config.py        # 配置管理
│   ├── database.py      # 数据库连接  
│   ├── models/          # 数据模型
│   │   ├── __init__.py
│   │   └── sql_utils.py # SQL工具类
│   └── tools/           # MCP工具
│       ├── __init__.py
│       └── crud.py      # SQL执行工具
├── client.py            # 客户端示例
├── README.md            # 项目文档
├── requirements.txt     # 依赖列表
└── demo.db              # 自动创建的SQLite数据库文件

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