In the current state you can insert “mcpspy” in front of a server and it intercepts and streams out a plain text format that’s nice for humans and machines. There’s also a replay tool that emulates previous traffic, including in mock client and server modes, and a diffing program that is mcp protocol aware.
Oh, and most importantly, a vim syntax plugin for the .mcp file format.
I’m working on some Go programs/tools with the explicit goal of describing existing servers in a language neutral manner to try to get some sanity into the mix.
I was reenergized to pick this back up because Google is working on a version so I want to get these tools ready.
Open to ideas and input, have been noodling on it for a bit now, lots not in form to share but figured I’d share early: