MCP (Model Context Protocol) Server

What is MCP (Model Context Protocol) Server?

A simple server implementation that provides WebSocket real‑time communication and REST API endpoints, built with Node.js. It is intended for developers who need a lightweight server for testing or building applications that require both HTTP and WebSocket support.

How to use MCP (Model Context Protocol) Server?

Install Node.js v14+, clone the repository, run npm install, then start with node server.js. The server runs on port 3000 by default; set the PORT environment variable to change the port.

Key features of MCP (Model Context Protocol) Server

• WebSocket server for real‑time communication
• REST API endpoints (status and echo)
• Static file serving
• CORS support

Use cases of MCP (Model Context Protocol) Server

• Quickly testing WebSocket connections with a built‑in test page
• Building prototypes that need both HTTP and WebSocket on the same port
• Providing an echo service for debugging client‑server communication

FAQ from MCP (Model Context Protocol) Server

What are the prerequisites?

Node.js version 14 or later and npm.

How can I change the port?

Set the PORT environment variable before starting the server.

What endpoints are available?

GET / returns server status; POST /api/echo echoes a JSON message.

How do I connect via WebSocket?

Use ws://localhost:3000 (or your custom port).

How can I test the server?

Open http://localhost:3000 in a browser to access the built‑in test page for WebSocket and REST API testing.