Observability told me exactly how much money my agents wasted. I wanted something that says no. (opens in new tab)

Most AI cost tooling is an autopsy. It tells you, in detail, what you already spent — token counts, per-call traces, a dashboard that turns red after the bill is locked in. None of it does the one thing I kept wanting: refuse the call before it goes out. I ran into this building agent tooling. Once I had more than a couple of agents hitting paid APIs on a schedule, two problems showed up that nothing off the shelf solved cleanly. Problem 1: observability is not control Watching spend and stop...