MCP Server Boilerplate

@lucianoayres

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基本信息

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开发工具

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stdio

作者

lucianoayres

关于 MCP Server Boilerplate

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

MCP Server Boilerplate 配置

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该服务器的 README 中没有可解析的 MCP 配置块，请前往代码仓库查看安装说明。

代码仓库

MCP Server Boilerplate 工具

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工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

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

常见问题

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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