GuestLab is a tool crafted to help podcasters streamline their research process by quickly generating well-crafted introductions, discovering engaging topics, and formulating insightful interview questions based on a guest's online presence. Leveraging artificial intelligence, GuestLab saves hosts significant time, uncovers hidden insights about guests, and enhances the depth and quality of podcast conversations. This tool is especially valuable for podcasters aiming to improve interview quality while reducing the time spent on pre-interview research.