CAIN-42 CAIN StudioThe three breakers
| Breaker | Catches | Example |
|---|---|---|
| Budget, at every level | Plain overspend, and one agent eating the team's budget | research-bot has $15, its workflow $20, the tenant $50: a charge must fit all three |
| Rate | Retry storms and salami spending | $0.99 transfers: three pass, the fourth would make $3.96 in 30 s and trips |
| Loop | An agent stuck repeating itself | The same tool with the same arguments a 7th time in 30 s trips, whatever the tool name's capitalisation (since 2026-11-02) |
A loop is "the same call": the tool name (case and spacing ignored) plus the exact arguments. An agent that adds a random field to every call is not a loop; the rate breaker still catches its spending.
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