Amazon Bedrock AgentCore now supports custom code-based evaluators, allowing developers to integrate AWS Lambda functions for deterministic quality checks. This feature enables precise validation of agent outputs, such as numerical accuracy, adherence to specific workflows, and PII withholding, which are critical in domains like financial services. These custom evaluators can be used in development pipelines and for scoring live production traffic, offering a cost-effective and controlled alternative to LLM-as-a-Judge for specific validation tasks. AI
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IMPACT Enhances AI agent reliability and control by enabling deterministic, domain-specific validation beyond LLM-as-a-Judge.
RANK_REASON This is a feature update for an existing product, not a new model release or significant industry shift.
