UrbanGPT is an AI-powered urban planning assistant built within the Grasshopper Rhinoceros framework. Currently, it precisely manages plot data automating ID manipulation and calculating key metrics like area, GFA, FAR, and height. Its design is fully compatible with industry standards, ensuring real-time, parametric design updates. In the future, UrbanGPT will extend its capabilities by integrating environmental analysis and sustainability metrics, providing a holistic platform for smart, data-informed urban design.