MCP Test Server

@nabadeep25

Repository

Basic information

About MCP Test Server

streamable http MCP Server using Nodejs

#mcp-server #nodejs #http-server

MCP Test Server config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

MCP Test Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is MCP Test Server?

MCP Test Server is a Model Context Protocol (MCP) server implementation with multiple tools for testing and demonstration purposes. Built with TypeScript and Express.js, it uses Streamable HTTP transport and provides a BMI calculator, weather service, and echo tool.

How to use MCP Test Server?

Requires Node.js v18 or higher. Clone the repository, run npm install, copy .env.example to .env, optionally add a weather API key. Build with npm run build and start with npm start; or use npm run dev for hot reload. The server listens on http://localhost:3000 and the MCP endpoint is POST /mcp. Test via the MCP Inspector (npm run inspector) or VS Code integration by adding the server URL to your settings.

Key features of MCP Test Server

Built with TypeScript and Express.js
Streamable HTTP transport for MCP
Environment-based configuration
Hot reload development support
Modular tool architecture
Three tools: BMI calculator, weather service, echo tool

Use cases of MCP Test Server

Calculate Body Mass Index from weight and height
Get current weather information for any city (with optional API key)
Echo messages for testing client–server interaction
Demonstrate MCP tool integration in a development environment
Serve as a reference project for adding new MCP tools

Frequently asked questions

What tools does MCP Test Server provide?

It provides three tools: `calculate-bmi` (BMI Calculator), `get-weather` (Weather Service), and `echo` (Echo Tool).

Do I need an API key to use the weather tool?

No, but adding a valid OpenWeatherMap API key in the `WEATHER_API_KEY` environment variable enables the weather service.

What are the runtime prerequisites?

Node.js v18 or higher and a package manager (npm or yarn) are required.

How can I test the server interactively?

Start the server with `npm start` and run `npm run inspector` in another terminal to open the MCP Inspector GUI.

How do I add a new tool to MCP Test Server?

Create a tool file in `src/tools/`, define its schema and handler, then import and register it in `src/index.ts` using `server.tool()`.

Comments

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