
MCP: The Protocol, the Plumbing, and the Gateway
If you've spent any time around AI tooling in the last year, you've probably heard the phrase "Model Context Protocol" thrown around, usually followed by the analogy "it's USB-C for AI." It's a useful starting point, but it's also where most explanations stop. This post starts there too, and then keeps going, all the way down to what's actually moving on the wire when your agent calls a tool. The problem MCP exists to solve LLMs, on their own, are isolated. They know what they were trained on







