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Tool Selection at Scale: What Top-K RAG Leaves Out

Embed, retrieve, let the LLM decide works for about 100 tools. At 1,000 it needs a control plane: hybrid retrieval, hard filters, a learned reranker, progressive disclosure and per-stage evals. This is an adapted edition of the original article. It preserves the section argument and evidence; use t…

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  1. 2026-11-01 03:30 · DEV Community — AI
    Tool Selection at Scale: What Top-K RAG Leaves Out

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