MCP Servers

hello-world-mcp

A minimal MCP server that provides a single 'hello' tool returning 'Hello, world!'.

README

Hello World MCP

Minimal Model Context Protocol server written in TypeScript.

What it does

This project starts a stdio-based MCP server with one tool:

hello returns Hello, world!

Requirements

Node.js 18 or newer
npm

Install

npm install

Build

npm run build

Run

npm start

For development, you can recompile on change with:

npm run dev

Check with MCP Inspector

MCP Inspector is a browser-based tool for testing MCP servers.

Build the server first:
```
npm run build
```
Start Inspector and point it at the TypeScript source directly:
```
npm run inspect
```
Open the Inspector UI in your browser at:
```
http://localhost:6274
```
In the Inspector, connect to the server and call the hello tool to verify the response.

This runs Inspector against src/index.ts through tsx, so you can test changes without rebuilding first.

Project files

src/index.ts contains the MCP server.
tsconfig.json contains the TypeScript compiler settings.
package.json contains the scripts and dependencies.

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