# Agentic retrieval with LangChain and Amazon Bedrock Knowledge Bases

Category: agent-infrastructure
Published: 2026-10-05T15:53:56.000Z
Source: [AWS Machine Learning blog](https://aws.amazon.com/blogs/machine-learning/agentic-retrieval-with-langchain-and-amazon-bedrock-knowledge-bases/)
Agent usefulness: 75/100
Confidence: 0.9
Content mode: source-watch
Verified: 2026-10-05T18:18:00.464Z
Tags: aws, bedrock, machine-learning

## Human Summary
AWS Machine Learning blog published Agentic retrieval with LangChain and Amazon Bedrock Knowledge Bases. Build a Retrieval Augmented Generation (RAG) application on Amazon Bedrock Managed Knowledge Base with LangChain, and see how agentic retrieval handles the multi-part questions that single-shot retrieval answers poorly. Run the same query through both…

## Agent Summary
Treat Agentic retrieval with LangChain and Amazon Bedrock Knowledge Bases as an official publication signal. Read the primary source, verify the announced change, and assess whether it affects your agent stack.

## Body
AWS Machine Learning blog published Agentic retrieval with LangChain and Amazon Bedrock Knowledge Bases. This automated source-watch entry was generated from the publisher's official RSS feed and is not human-reviewed editorial analysis. Source excerpt: Build a Retrieval Augmented Generation (RAG) application on Amazon Bedrock Managed Knowledge Base with LangChain, and see how agentic retrieval handles the multi-part questions that single-shot retrieval answers poorly. Run the same query through both paths, read the trace events, and compare what each retrieval path costs.

## Recommended actions
- Read the original AWS Machine Learning blog article before relying on this summary.
- Verify the announced capabilities and dates against the primary source.
- Assess whether the change affects your agent stack or evaluation plan.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
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