6 MCP Servers That Make Claude Actually Useful for Real Projects

Most people use Claude like a fancy search engine. They paste code. They ask questions. They get answers. Then they paste more code. That is not building. That is chatting. The developers who are actually shipping faster have connected Claude to their tools. Here are the six MCP servers that make the biggest difference in real project work. But before that, one thing nobody tells you. The More MCP Servers You Add, The Dumber Claude Gets This sounds wrong. More tools should mean more power. Here is what actually happens. Every MCP server you add takes up space in Claude's context window. The more tools it has to think about, the less focused it becomes on your actual problem. Think of it like handing someone a toolbox with 80 tools and asking them to fix one screw. Only turn on the MCP servers your current project actually needs. Turn the rest off. Now the list. #6 — Ref https://github.com/ref-tools Here is the problem. Claude was trained on data that is already months or years old. So