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Hallucinated-Tools Benchmark

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04:00

2026-09-18

machinebrief.com

ai-agents

Closed-World Resolution Against Tool Hallucination in LLM Agents

A new arXiv paper (2609.19425v1) reports that tool-augmented LLM agents hallucinate calls to tools that do not exist, and that no existing tool-selection or gating defense can reject them because a fa…

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ai agents 1 large language models 1 ai safety 1 agent protocols 1 ai research 1