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Calculator MCP Server

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Calculator MCP Server

一个基于 Model Context Protocol (MCP) 的小型服务器，可通过 stdio 提供基本的计算器操作。

计算器 MCP 服务器教程

功能

该服务器提供以下工具：

工具

说明

参数

add

将两个数字相加

op1, op2

sub

用第一个数字减去第二个数字

op1, op2

mul

将两个数字相乘

op1, op2

div

将第一个数字除以第二个数字

op1, op2

所有参数都必须为数字。当 op2 为 0 时，div 会返回错误。

Related MCP server: Math MCP Server

环境要求

  • Node.js 18 或更高版本

  • npm

安装

从当前目录安装依赖：

npm install

运行服务器

通过 stdio 启动 MCP 服务器：

npm start

服务器会等待 MCP 客户端连接，因此不会在终端中打印正常的应用程序输出。

使用示例客户端进行测试

示例客户端会启动服务器、列出其工具，并以 10 和 0 调用 div，以演示除以零错误：

npm run test-client

要测试成功运算，请更新 mcp-client-test.ts 中的 callTool 参数，例如：

arguments: { op1: 10, op2: 2 },

使用 MCP Inspector

使用以下命令运行交互式 MCP Inspector：

npm run mcp-inspect

打开命令输出的 URL，然后选择一个计算器工具，并为 op1 和 op2 提供值。

项目文件

  • mcp-server.ts - MCP 服务器和计算器工具定义

  • mcp-client-test.ts - 示例 MCP 客户端

  • mcp-calculator.gif - 教程演示

  • package.json - 脚本和依赖

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license - permissive license
Not graded
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