F
licenseNot graded
qualityD
maintenanceThis server implements the Model Context Protocol to facilitate meaningful interaction and understanding development between humans and AI through structured tools and progressive interaction patterns.
57
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Express MCP Server Echo
by jhgaylor
Express MCP 服务器
使用 Express 和 TypeScript 构建的无状态模型上下文协议 (MCP) 服务器。
特征
采用现代 Streamable HTTP 传输的无状态 MCP 服务器实现
TypeScript 类型安全
用于 HTTP 处理的 Express.js
Related MCP server: Echo MCP Server
要求
Node.js 18+
npm 或 yarn
安装
# Clone the repository (or download)
git clone https://github.com/your-username/sample-express-mcp-server.git
cd sample-express-mcp-server
# Install dependencies
npm install发展
# Build the TypeScript code
npm run build
# Run in development mode with auto-reloading
npm run dev
# Run tests (when added)
npm test服务器结构
src/
├── index.ts # Main application entry point
└── server.ts # MCP server definition with resource, tool, and prompt可用功能
该服务器通过三个 MCP 组件实现了一个简单的回显端点：
资源：
echo://{message}- 将消息作为资源返回工具：
echo——将提供的消息作为工具响应回显提示：
echo- 使用提供的消息创建用户提示
MCP 协议
该服务器实现了模型上下文协议(MCP)，这是 LLM 与外部数据和功能交互的标准化方式。它公开了一个响应 JSON-RPC 请求的无状态 API 端点。
API 使用
向/mcp发送一个带有 JSON-RPC 负载的 POST 请求：
初始化
curl -X POST http://localhost:3001/mcp \
-H "Content-Type: application/json" \
-H "Accept: application/json" \
-H "Accept: text/event-stream" \
-d '{
"jsonrpc": "2.0",
"id": 1,
"method": "initialize",
"params": {
"protocolVersion": "2024-11-05",
"capabilities": {
"roots": {
"listChanged": true
},
"sampling": {}
},
"clientInfo": {
"name": "ExampleClient",
"version": "1.0.0"
}
}
}'呼叫回显工具
curl -X POST http://localhost:3001/mcp \
-H "Content-Type: application/json" \
-H "Accept: application/json" \
-H "Accept: text/event-stream" \
-d '{
"jsonrpc": "2.0",
"method": "tools/call",
"params": {
"name": "echo",
"arguments": {
"message": "Hello, World!"
}
},
"id": 1
}'执照
This server cannot be deployed
Maintenance
ActivityInactive
ResponsivenessNo issues
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