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What Is RAG? A Working Retrieval Example You Can Run With Just an Anthropic Key

This story is from 2026-10-13. It is preserved in the archive; the latest stories are on the live feed.

An agent can have every tool it needs and still answer wrong — because it doesn't know something. Not incapable of knowing it; the fact just wasn't in its training data, or it changed afterward, or it lives in a document only your team has. This post continues my series on building agents. The prev…

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  1. 2026-10-13 08:55 · DEV Community — AI
    What Is RAG? A Working Retrieval Example You Can Run With Just an Anthropic Key

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