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News/Beyond Prompts: Measuring and Optimizing LLM Tool-Agent Harnesses
arxiv
PublishedSeptember 11, 2026 at 4:00 AM
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Beyond Prompts: Measuring and Optimizing LLM Tool-Agent Harnesses

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arXiv:2609.05736v2 Announce Type: replace Abstract: LLM tool agents can be improved without retraining by modifying the runtime harness around a fixed model: prompts, tool interfaces, middleware, state handling, and recovery logic. We study this setting as resource-bounded harness selection for fixe

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