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PyMCP Sum Server

by ChaosXu
GitHub
Python
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pymcp

a MCP server

SDK

https://github.com/modelcontextprotocol/python-sdk

项目结构

src/ └── mcp_server/ ├── __init__.py └── sum_int.py # MCP服务器实现，提供两个整数相加功能 tests/ ├── test_sum_int.py # 基础功能测试 ├── test_sum_int_with_real_llm.py # 真实LLM调用测试 └── test_sum_int_with_agent.py # 使用LangChain Agent的测试

环境初始化

安装依赖

使用 uv 管理依赖：

# 安装生产依赖 uv pip install -e . # 安装测试依赖（包括生产依赖） uv pip install -e .[test]

配置环境变量

创建 .env 文件并配置LLM相关参数：

cp .env.example .env

编辑 .env 文件，添加以下内容：

LLM_BASE_URL=https://api.siliconflow.cn/v1 LLM_API_KEY=your_api_key_here LLM_MODEL=Qwen/Qwen3-8B

运行MCP服务器

# 运行MCP服务器 uv run mcp dev src/mcp_server/sum_int.py

或者直接运行：

python src/mcp_server/sum_int.py

真实LLM调用测试

python tests/test_sum_int_with_real_llm.py

使用LangChain Agent的测试

python tests/test_sum_int_with_agent.py

依赖说明

生产依赖：

  • mcp[cli]>=1.12.4 - MCP Python SDK

测试依赖：

  • openai>=1.99.9 - OpenAI Python客户端
  • python-dotenv>=1.0.1 - 环境变量加载工具
  • httpx[socks]>=0.28.1 - HTTP客户端（支持SOCKS代理）
  • langchain>=0.3.27 - LangChain核心库
  • langchain-openai>=0.3.29 - LangChain的OpenAI集成
  • langchain-mcp-adapters>=0.1.9 - LangChain与MCP的适配器
  • langgraph>=0.6.4 - LangGraph库，用于构建agent工作流

This server cannot be installed

-
security - not tested
F
license - not found
-
quality - not tested

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

A simple MCP server that provides integer addition functionality. Enables users to perform basic arithmetic operations by adding two integers together through natural language interactions.

  1. SDK
    1. 项目结构
      1. 环境初始化
        1. 安装依赖
        2. 配置环境变量
      2. 运行MCP服务器
        1. 真实LLM调用测试
        2. 使用LangChain Agent的测试
      3. 依赖说明

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