Author

Weicheng Yu

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#artificial intelligence Preprint Oct 2026

Harmony Harness: Multi-Objective Self-Evolution of Agent Harnesses

Recent work on self-evolving LLM agents treats the agent harness as an optimization target that can be iteratively improved through execution feedback. Existing approaches, however, largely optimize a single objective and evolve the harness as a monolithic artifact, limiting their ability to handle competing goals and...

Wei-Cheng Yu, Lesly Miculicich, Bhavana Dalvi et al. · 0 citations

Preprint Jun 2026

Steal the Patch Size: Adversarially Manipulate Vision-Language Models

A black-box model-stealing attack that recovers private vision-tokenizer configurations of deployed vision-language models, including the visual patch size and input preprocessing pipeline, and it is shown that such leakage enables preprocessing-aware transfer attacks and model-targeted adversarial manipulation.

Kai Hu, Akash Bharadwaj, Weicheng Yu et al. · 0 citations