AI Agent Circuit Breaker 2026

The API has already started throwing errors, and the Agent keeps retrying—each retry is burning money. The circuit breaker mechanism lets the Agent know when it's time to stop.

💡 What You Will Learn

The API has already started throwing errors, and the Agent keeps retrying—each retry is burning money. The circuit breaker mechanism lets the Agent know when it's time to stop.

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class CircuitBreaker:
    def __init__(self, threshold=5, reset_timeout=60):
        self.failures = 0
        self.threshold = threshold
        self.state = "closed"

    def call(self, fn):
        if self.state == "open":
            raise Exception("")
        try:
            result = fn()
            self.failures = 0
            return result
        except:
            self.failures += 1
            if self.failures >= self.threshold:
                self.state = "open"
            raise

Summary