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News/Action-Space Shaping for LLM Agents: Measuring and Mitigating Tool-Schema Bias
arxiv
PublishedOctober 19, 2026 at 4:00 AM

Action-Space Shaping for LLM Agents: Measuring and Mitigating Tool-Schema Bias

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arXiv:2609.34971v2 Announce Type: replace Abstract: Large Language Models (LLMs) have shown strong performance on tool-use agentic tasks when given a fixed tool schema. Yet a tool schema is not the action space of an agent; it is merely one interface representation of it. The same executable action

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