AI Agent Error Categorization 2026

The Agent threw an error, but the error messages were all over the place. Handling errors by category is ten times better than writing a separate try-except for each one.

💡 What You Will Learn

The Agent threw an error, but the error messages were all over the place. Handling errors by category is ten times better than writing a separate try-except for each one.

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class ErrorHandler:
    handlers = {
        'transient': RetryHandler(max_retries=3),
        'input': InputValidationHandler(),
        'tool': FallbackHandler(),
        'auth': NotificationHandler(),
        'format': RegenerationHandler(),
        'logic': DegradationHandler(),
    }

    def handle(self, error):
        error_type = self.classify(error)
        return self.handlers[error_type].handle(error)

Summary