MCP Calculator

MCP Calculator

A simple Model Context Protocol (MCP) server that provides basic calculation functions to Claude. It enables users to perform mathematical operations like addition directly through natural language commands.

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README

MCP Calculator

一个简单的计算器 MCP (Model Context Protocol) 服务器,为 Claude 提供计算功能。

功能

工具 描述 参数
add 计算两个数字的和 a: 第一个数字, b: 第二个数字

安装

从源码安装(开发模式)

# 克隆仓库
git clone https://github.com/yourusername/mcp-calculatorA.git
cd mcp-calculatorA

# 创建虚拟环境
python -m venv venv
source venv/bin/activate  # Linux/macOS
# venv\Scripts\activate   # Windows

# 安装依赖
pip install -e .

从 PyPI 安装

pip install mcp-calculatorA

配置

Claude Code

编辑 ~/.claude/claude_mcp_settings.json:

{
  "mcpServers": {
    "calculatorA": {
      "command": "/path/to/venv/bin/python",
      "args": ["-m", "mcp_calculatora"]
    }
  }
}

Claude Desktop

编辑配置文件:

  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
  • Windows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "calculatorA": {
      "command": "mcp-calculatorA"
    }
  }
}

使用示例

配置完成后,Claude 可以直接调用计算器功能:

用户: 计算 55 + 99
Claude: [调用 add 工具] 55 + 99 = 154

项目结构

mcp-calculatorA/
├── mcp_calculatora/
│   ├── __init__.py
│   └── server.py      # MCP 服务器实现
├── pyproject.toml     # 项目配置
└── README.md

开发

# 运行服务器(测试)
python -m mcp_calculatora

许可证

MIT License

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