Video Generation Meets Agent Harness: Agentic Video Generation, Agentic World Modeling and Recursive Self-Improvement

Liaoyuan Fan; Yuhao Zheng; Dongxing Mao; Hangyu Ran; Siyuan Hu; Weijia Mao; Rui Zhao; Weijia Wu; Guian Fang; Yanzhe Chen; Zeyu Zhu; Yuxin Jiang; Yiren Song; Yuchao Gu; Junchao Yi; Qi Hu; Dan Kong; Alex Jinpeng Wang; Kevin Qinghong Lin; Mike Zheng Shou; Wei Liu

arXiv · 2610.40191

Video Generation Meets Agent Harness: Agentic Video Generation, Agentic World Modeling and Recursive Self-Improvement

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Abstract

Video generation is shifting from end-to-end synthesis toward agentic generation, where planning, tool use, and feedback enable coherent, controllable multi-shot videos. In parallel, video world models provide action-conditioned observations and predicted futures, serving as interactive environments for agents. We study their intersection through the agent harness: an executable runtime that constructs context, exposes tools, maintains state, routes feedback, and manages budgets around video models. This report examines three directions. First, agentic video generation, where harnesses coordinate scripting, shot planning, asset management, production, and editing, alongside the evaluation challenges of these systems. Second, agentic world modeling, where harnesses mediate observation, control, execution, and state. We discuss hybrid designs in which game engines or agent-written programs maintain world state while video models render observations, and how agents and world models can mutually evaluate and improve one another. Third, recursive self-improvement (RSI) in video model development, distinguishing output revisions, updates to harness state, generator parameters, and evaluators, and changes to the improvement procedure itself. We identify how these improvements feed back into subsequent development. Across these directions, we analyze essential agent capabilities, including audiovisual perception, long-horizon planning, memory, code-based interaction, feedback-guided control, skill reuse, and multi-agent coordination. We conclude with challenges in autonomous video production, lifelong memory, programmable hybrid control, autonomous model development, provenance, cost accounting, and evaluation linking video quality and task performance to sustained improvements in models and harnesses.

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Liaoyuan Fan, Yuhao Zheng, Dongxing Mao, Hangyu Ran, Siyuan Hu, Weijia Mao, Rui Zhao, Weijia Wu, Guian Fang, Yanzhe Chen, Zeyu Zhu, Yuxin Jiang, Yiren Song, Yuchao Gu, Junchao Yi, Qi Hu, Dan Kong, Alex Jinpeng Wang, Kevin Qinghong Lin, Mike Zheng Shou, Wei Liu. 2026-10-29. Video Generation Meets Agent Harness: Agentic Video Generation, Agentic World Modeling and Recursive Self-Improvement. https://arxiv.org/abs/2610.40191

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