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Dev Tools Server

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A TypeScript MCP server example providing basic developer tools: hello world greeting, arithmetic calculator, and file information retrieval.

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About

A TypeScript MCP server example providing basic developer tools: hello world greeting, arithmetic calculator, and file information retrieval.

README

这是一个使用TypeScript编写的MCP(Model Context Protocol)服务器示例。

功能

这个MCP服务器提供了以下工具:

  1. hello_world - 简单的问候工具

    • 参数:name (string) - 要问候的人名
  2. calculate - 简单的计算器

    • 参数:
      • operation (string) - 运算类型:add, subtract, multiply, divide
      • a (number) - 第一个数字
      • b (number) - 第二个数字
  3. file_info - 获取文件信息

    • 参数:path (string) - 文件路径

安装和运行

1. 安装依赖

npm install

2. 构建项目

npm run build

3. 运行服务器

npm start

开发模式运行

npm run dev

测试

项目包含一个测试文件 test-mcp.js,用于验证MCP服务器的功能:

node test-mcp.js

测试会验证:

  • 服务器初始化
  • 工具列表获取
  • hello_world 工具调用
  • calculate 工具的各种运算
  • file_info 工具的文件信息获取

与AI模型集成

要将此MCP服务器与支持MCP的AI模型集成,你需要在AI模型的配置文件中添加此服务器。

示例配置(Claude Desktop)

在Claude Desktop的配置文件中添加:

{
  "mcpServers": {
    "dev-tools": {
      "command": "node",
      "args": ["/path/to/your/dev-tools/dist/server.js"],
      "env": {}
    }
  }
}

示例配置(Cursor)

在Cursor的MCP配置中添加:

{
  "mcpServers": {
    "dev-tools": {
      "command": "node",
      "args": ["/path/to/your/dev-tools/dist/server.js"]
    }
  }
}

开发

项目结构

dev-tools/
├── src/
│   └── server.ts          # MCP服务器主文件
├── dist/                  # 编译后的JavaScript文件
├── test-mcp.js           # 测试文件
├── package.json
├── tsconfig.json
└── README.md

添加新工具

  1. src/server.ts 中定义新的参数模式:
const NewToolArgsSchema = z.object({
  // 定义参数
});
  1. tools 数组中添加新工具:
{
  name: "new_tool",
  description: "工具描述",
  inputSchema: NewToolArgsSchema,
}
  1. CallToolRequest 处理函数中添加新的case:
case "new_tool": {
  const args = NewToolArgsSchema.parse(request.params.arguments);
  // 实现工具逻辑
  return {
    content: [
      {
        type: "text",
        text: "结果",
      },
    ],
  };
}
  1. test-mcp.js 中添加测试用例:
{
  jsonrpc: "2.0",
  id: 7,
  method: "tools/call",
  params: {
    name: "new_tool",
    arguments: {
      // 测试参数
    }
  }
}

许可证

ISC

from github.com/DRX-1877/dev-tools-mcp

Installing Dev Tools Server

This server has no published package — it is built from source. Open the repository and follow its README.

▸ github.com/DRX-1877/dev-tools-mcp

FAQ

Is Dev Tools Server MCP free?

Yes, Dev Tools Server MCP is free — one-click install via Unyly at no cost.

Does Dev Tools Server need an API key?

No, Dev Tools Server runs without API keys or environment variables.

Is Dev Tools Server hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install Dev Tools Server in Claude Desktop, Claude Code or Cursor?

Open Dev Tools Server on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

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