OmAgent is a sophisticated multimodal intelligent agent system dedicated to leveraging multimodal large language models and other multimodal algorithms to accomplish compelling tasks. It encompasses a lightweight intelligent agent framework, omagent_core, meticulously designed to address multimodal challenges. OmAgent comprises three core components: Video2RAG, DnCLoop, and Rewinder Tool, respectively responsible for long video understanding, complex problem decomposition, and information retrieval.