How to Build an MCP Server That Actually Gets Used

A technical guide from someone who built 10 of them.

My last post was about the distribution problem — why building MCP servers doesn't mean anyone will use them. This post is the technical companion: how to build one well, so that when distribution does work, the server doesn't embarrass you.

I built 10 MCP servers in a week. Some are good. Some I'd rewrite. Here's what I learned about the architecture, the pitfalls, and the patterns that actually matter.

What Makes a Good MCP Server