A zero-dep Python lib that tracks cumulative LLM API cost and raises before you go over budget — with per-label breakdown and warn-at callbacks.
Hermes Agent Challenge Submission: Write About Hermes Agent
This is a submission for the Hermes Agent Challenge.
I ran a Hermes research agent across 50 literature review tasks and forgot to check the bill until the next morning. Three dollars gone. The agent had retried a bunch of failed web searches and each retry cost money.
The fix is obvious in hindsight: track cost as you go and stop when you hit the limit. That's agent-cost-guard.
Raise when the limit hits
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