MCP Server Development — TypeScript SDK

What is MCP

The Model Context Protocol is an open standard for connecting AI assistants (Claude, Cursor, etc.) to external tools and data. An MCP server exposes tools, resources, and prompts that clients can discover and invoke.

Quick Setup

bun init
bun add @modelcontextprotocol/sdk zod

// src/index.ts
import { McpServer } from '@modelcontextprotocol/server'
import { StdioServerTransport } from '@modelcontextprotocol/node'
import * as z from 'zod/v4'