Thanks. It's just weird, look at this TS example in the link you sent me: https://github.com/modelcontextprotocol/create-typescript-se... I created the same thing months ago (have your LLM create notes for you). I did create a "protocol" for the FE to know which UI to load. I just didn't call it a protocol, it just felt like regular code.

There is a video of what I am talking about here: https://www.blacksand.cloud

Prompt "What is 2 + 2" and it will not only answer, but also bring up a calculator tool. You can try this here https://chat.blacksand.cloud

I'm still confused on what MCP is.

Big company wants to control the standard, so it publishes the standard.