Assertion Supported AI assessment confidence: 95% certainty 4/5 debate potential 2/5

Martin: Claude Code operates entirely without codebase indexing

Lance Martin · Context Engineering for Agents - Lance Martin, LangChain · Sep 11, 2025 · at 17:02

Lance Martin of LangChain contrasts Anthropic's agentic search approach in Claude Code against complex vector indexing and RAG pipelines.

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“Clock code doesn't do any indexing. It's just doing, quote unquote, agentic retrieval, just using simple tool calls, for example, using grep, to kind of poke around your files, no indexing whatsoever, and obviously works extremely well.”

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