SpinLock
Interactive simulator showing how AI agents get trapped in infinite loops — costs spiral, the STOP button does nothing, then a 3-line circuit breaker fix saves the day.
SpinLock demonstrates the infinite loop failure mode in AI agents through four interactive scenarios: write loops that alternate between two invalid paths, agent ping-pong with no delegation depth limit, retry death spirals without exponential backoff, and completion blindness from stale cache. Watch the cost counter climb from $0 to $2+ while sending STOP signals the agent ignores — then inject a circuit breaker to see the 3-line fix that kills the loop. Agent Failure Series #12.
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