CoI-Agent is an intelligent agent based on large language models (LLM), designed to revolutionize the development of new ideas in research through a Chain of Ideas approach. This model integrates and analyzes vast amounts of data, offering researchers innovative concepts and directions for their studies. Its significance lies in its ability to accelerate the research process, enhance research efficiency, and assist researchers in uncovering new patterns and relationships within complex datasets. Developed by the DAMO-NLP-SG team, CoI-Agent is an open-source project available for free use.