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cs.AI2026
PointerBench: A Diagnostic Benchmark for Fine-Grained GUI Grounding
Valentino Sacco, Saurabh Pandey, Alexander Florian Jercher +1
Multimodal Large Language Models have shown promising performance in computer-use tasks, from planning user workflows to grounding natural-language actions to precise UI targets. E…
cs.AI2026
Proxy Confidence: Auditing Black-Box LLM Agents with a Surrogate's Log-Probabilities
Yikai Zhao, Saurabh Pandey, Pradeep Kumar Misra
A deployed LLM agent emits tool calls, queries, and code that can be silently wrong -- by the time the error surfaces, the action has run. Frontier chat APIs hide the model's token…
cs.AI2026
TRACE: TRajectory Attribution for Automated Context Engineering
Yikai Zhao, Pradeep Kumar Misra, Saurabh Pandey
Production AI agents fail when their context sources -- system prompts, knowledge bases, tool descriptions, and procedural skills -- contain errors or gaps. Current maintenance rel…