How to Build Your First Custom MCP Server in Under an Hour

The Model Context Protocol explained practically — with a real working example you can deploy today Most Claude Code tutorials tell you to install MCP servers. This one shows you how to build one. Because once you understand that MCP is just a JSON-RPC server with a specific protocol, the entire ecosystem opens up. You can connect Claude Code to any internal tool, any database, any API — not just the pre-built connectors. Let me walk you through building a real MCP server from scratch. What MCP