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langchain_blog · Oct 23, 2026 · news

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Context Engineering for AI Agents Starts with Retrieval

the LangChain blogOct 23, 2026
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In brief

Agents waste time and context on clumsy searches, oversized results and stale data. Learn the retrieval techniques LangChain's Deep Agents harness uses to get the right context in.

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Context Engineering for AI Agents Starts with Retrieval

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