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Modules/Building MCP Servers: Connect AI to Everything/Build Your First MCP Server

Lesson 2 of 3•Building MCP Servers: Connect AI to Everything0 of 3 complete (0%)

The Model Context Protocol Explained

Build Your First MCP Server

Production MCP: Authentication, Error Handling & Deployment

Build Your First MCP Server

15 min

What you will learn

Set up a Node.js MCP server project with the official TypeScript SDK
Define tools with input schemas and implement request handlers
Test your MCP server locally with Claude Code
Build a practical example: a weather API MCP server

# Build Your First MCP Server

Setting Up the Project

mkdir my-weather-mcp && cd my-weather-mcp
npm init -y
npm install @modelcontextprotocol/sdk zod
npm install -D typescript @types/node
npx tsc --init

Update tsconfig.json to use "module": "NodeNext" and "moduleResolution": "NodeNext".

The Minimal MCP Server

Here is the simplest possible MCP server — it exposes one tool:

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What you'll learn:

Set up a Node.js MCP server project with the official TypeScript SDK
Define tools with input schemas and implement request handlers
Test your MCP server locally with Claude Code

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