Two readers argued with my billing model in the comments, and they were right. So mcp-tax 0.3 rebuilds it. The correction: schemas re-enter the window on every turn The old audit billed each server's tool schemas once per session. That's wrong — the whole context, including every tool schema, is re-sent to the model on every API call. A 30k-token schema in a 20-turn session isn't a 30k tax; it's a 600k tax that also has to fit inside the window 20 times over. The new ledge...