4 papers
AppDeltaWorld: Transition-Grounded Delta Code World Model for Mobile GUI Agents
Weikai Xu, Yunren Feng, Haoxiang Lei +6
Mobile GUI agents can operate apps through pixel perception and touch actions, making them a promising interface for collecting and improving long-horizon mobile interaction polici…
How Mobile World Model Guides GUI Agents?
Weikai Xu, Kun Huang, Yunren Feng +10
Recent advances in vision-language models have enabled mobile GUI agents to perceive visual interfaces and execute user instructions, but reliable prediction of action consequences…
No Attack Required: Semantic Fuzzing for Specification Violations in Agent Skills
Ying Li, Hongbo Wen, Yanju Chen +3
LLM-powered agents can silently delete documents, leak credentials, or transfer funds on a routine user request, not because the agent was attacked, but because the skill it invoke…
Options, Not Clicks: Lattice Refinement for Consent-Driven MCP Authorization
Ying Li, Yanju Chen, Peiran Wang +4
As Model Context Protocol adoption grows, securing tool invocations via meaningful user consent has become a critical challenge, as existing methods, broad always allow toggles or…