In the last post , on 2026-08-18, I published what 14 MCP servers cost a context window before an agent does any work, and said the next thing was Tier 2: real clients, real tasks, every frame logged. That has now run. Ninety trials, three servers, two clients, fifteen scripted tasks, three trials each, through a proxy on the MCP stdio pipe. The finding worth the post is not in the token table. It came out of the shakedown hours earlier that same day, on the client version the run then repl...