DEV Community Guide Shows How to Build an MCP Server Using TypeScript in 30 Minutes

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Model Context Protocol (MCP) is an open standard that allows AI agents to connect to external tools and data sources through a single, reusable server. A new developer guide on DEV Community walks readers through building an MCP server from scratch using TypeScript and the official MCP SDK. The tutorial covers project setup, server configuration with Express, and registering callable tools that AI clients such as Claude and Cursor can discover and use. The guide adopts a stateless architecture, creating a fresh server instance per request to support load balancing without sticky sessions. By the end of the walkthrough, developers are expected to have a functioning MCP server capable of handling AI-initiated queries against a custom dataset or API.

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