MCP Server Template

@antoniodevivo

Basic information

About MCP Server Template

A lightweight and extensible MCP (Model Context Protocol) server implementation built with Express.js and TypeScript. This template provides a solid foundation for building AI-powered applications that can communicate with MCP-compatible clients through Server-Sent Events (SSE).

#mcp-server-template #mcp #server-sent-events

MCP Server Template config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-server-template-antoniodevivo": {
      "command": "docker",
      "args": [
        "build",
        "-t",
        "mcp-template",
        "."
      ]
    }
  }
}

MCP Server Template tools

Add a new note to the note store

Update an existing note

Retrieve a specific note

Retrieve all notes from the store

Delete a note from the store

Overview

What is MCP Server Template?

A lightweight and extensible Model Context Protocol (MCP) server implementation built with Express.js and TypeScript. It provides a foundation for building AI-powered applications that communicate with MCP-compatible clients through Server-Sent Events (SSE). The template includes a note management system and is intended for developers starting a new MCP server project.

How to use MCP Server Template?

Clone the repository, run npm install, then npm run build and npm start. The server starts on port 3123 by default. Alternatively, build a Docker image with docker build -t mcp-template . and run docker run -p 3123:3123 mcp-template. To test the SSE endpoint, connect to GET /mcp/sse.

Key features of MCP Server Template

Express.js server with TypeScript support
Server-Sent Events (SSE) for real-time communication
Full MCP protocol implementation
Built-in note management system (CRUD operations)
Docker support for containerized deployment
Input validation using Zod

Use cases of MCP Server Template

Building a custom MCP-compatible AI assistant with note‑taking capabilities
Prototyping an MCP server that manages structured data (e.g., notes)
Creating a real‑time MCP endpoint with SSE for client‑server communication
Using as a starting point for any MCP server project that requires Express.js and TypeScript

Frequently asked questions

What is MCP Server Template?

MCP Server Template is a lightweight, extensible MCP server implementation built with Express.js and TypeScript, designed for AI‑powered applications that communicate via SSE.

What are the dependencies and runtime requirements?

Node.js 22 or higher and npm are required. Docker is optional for containerized deployment.

Which tools does the server expose?

The server provides five tools: `add-note`, `update-note`, `get-note`, `get-all-notes`, and `delete-note`. Each accepts parameters such as `noteTitle`, `noteContent`, and `noteTags` (optional) as specified in the README.

How does input validation work?

All incoming requests are validated at runtime using Zod schemas before processing, ensuring type safety and data integrity.

How can I configure the server?

Environment variables include PORT (default 3123), LOG_LEVEL (default "info"), DOCKER (set to "true" when running in Docker), and DEV (set to "true" for development mode).

Comments

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