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aws adds managed knowledge bases and agentic retrieval to amazon bedrock

build enterprise agentic retrieval on a managed amazon bedrock knowledge base with the aws cloud development kit.

aws adds managed knowledge bases and agentic retrieval to amazon bedrock — image from AWS
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Summary

amazon bedrock now includes a managed knowledge base that handles ingestion, storage, indexing, and retrieval natively. developers can use this with amazon bedrock agentcore and the new cdk sample to build multi-turn planning and tool-driven retrieval systems.

What changed

  • amazon bedrock offers a managed knowledge base that owns ingestion, storage, indexing, and retrieval itself.
  • amazon bedrock agentcore provides a gateway exposing each knowledge base as a model context protocol tool and a runtime hosting the reasoning agent.
  • the agenticretrivestream api performs internal reranking and returns a synthesized, cited answer.
  • the cdk deployment includes two cloudwatch dashboards and two forms of evaluation.

Availability

Available now

“With the launch of the Managed Knowledge Base, retrieval is no longer a single embed-and-fetch call. It has become an agentic capability: multi-turn planning, tool-driven retrieval, and grounded, cited answers. The AgenticRetrieveStream API offers this as a first-class service feature rather than something you assemble yourself.”

Founder takeaway

developers should review the aws cdk sample to test managed knowledge bases and agentic routing with amazon bedrock.

Source

AWSBuild agentic retrieval on a Managed Amazon Bedrock Knowledge Base with CDK | Amazon Web Services

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