Scores Are Not Decisions: Cost-Aware Stopping for Tool Acquisition in LLM Agents
As LLM agents increasingly depend on diverse external services such as search engines, databases, and connectors, agent harnesses face a fundamental tool-selection challenge: acquiring too few tools leaves the task under-informed, while too many adds cost, context load, and privacy exposure. Routers and retrievers can rank candidate tools by relevance, but a ranking alone does not determine how many are worth selecting. Existing approaches leave acquisition under heterogeneous costs unaddressed.
Record details
Published: 29 July 2026
Source: arXiv
Category: Research
Topics: Privacy · Agents & autonomy
Retrieved: 30 July 2026
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ethics.ai (29 July 2026), “Scores Are Not Decisions: Cost-Aware Stopping for Tool Acquisition in LLM Agents,” evidence record 14568, https://ethics.ai/record/14568 (originally published by arXiv).
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