Eli Fuentes Leone criticizes Amazon Bedrock AgentCore black-box harnesses

Eli Fuentes Leone explains that automated agent harnesses often act as black boxes that obscure token consumption and architectural decisions. She demonstrates how building a harness with Amazon Bedrock AgentCore and frameworks like Strands Agents exposes the underlying loop, memory strategies, and recovery boundaries. The author argues that developers must understand these components to configure tools, manage long-term memory, and handle execution failures reliably. Open article →