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MCP Server Boilerplate

@lucianoayres

リポジトリ

MCP Server Boilerplate について

MCP Server Boilerplate is a Node.js example that demonstrates how to build an MCP server with a custom tool, including one that loads an environment variable from a configuration file, to integrate seamlessly with AI-assisted environments like Cursor AI.

#ai#cursor#mcp-server

基本情報

カテゴリ

開発者ツール

ランタイム

node

トランスポート

stdio

公開者

lucianoayres

設定

標準の設定はありません

このサーバーの README には解析可能な MCP 設定ブロックが含まれていません。インストール手順はリポジトリをご確認ください。

リポジトリ

ツール

ツールは検出されませんでした

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is MCP Server Boilerplate?

MCP Server Boilerplate is a reference implementation of an MCP server that provides two basic tools: an addition tool (add) and an environment variable retrieval tool (getApiKey). It is designed for developers integrating custom tools into AI-assisted development environments like Cursor AI.

How to use MCP Server Boilerplate?

Clone the repository and run npm install to install dependencies. Configure the ./cursor/mcp.json file with absolute paths to your Node.js executable and the server script, then optionally move it to ~/.cursor for global recognition. Invoke tools in Cursor Composer's Agent mode using natural language prompts such as “add 3 and 5” or “what is my API key?”.

Key features of MCP Server Boilerplate?

  • MCP integration for LLM-based IDEs
  • Addition tool accepting two numeric parameters
  • Environment variable retrieval via API_KEY
  • Input validation using Zod schemas
  • Standard I/O transport (StdioServerTransport)

Use cases of MCP Server Boilerplate?

  • Learning how to set up an MCP server from scratch
  • Prototyping custom tools for Cursor AI or similar IDEs
  • Demonstrating environment variable access within an MCP tool

FAQ from MCP Server Boilerplate

What is MCP?

Model Context Protocol (MCP) is a framework that allows you to integrate custom tools into AI-assisted development environments. MCP servers expose functionality so that LLM-based IDEs can call these tools on demand.

What are the runtime requirements?

Node.js version 20 or higher is required.

How do I configure the server for Cursor AI?

Edit ./cursor/mcp.json to include the absolute paths to Node.js and your MCP server file, and optionally set environment variables like API_KEY. This file can also be placed in ~/.cursor for global use.

Where does the API key come from?

The getApiKey tool reads the value of the API_KEY environment variable, which you must set in the env field of the MCP configuration.

What transport does the server use?

It connects via StdioServerTransport (standard I/O) for integration with development environments.

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