Undercutf1 is a new tool designed for Formula 1 fans, providing live timing and a driver tracker with variable delay. Commenters express excitement about using this tool during upcoming races, notably the Miami Grand Prix, and appreciate the thorough documentation and detailed screenshots provided in its README. Users also discuss features like tyre strategy analysis and express interest in obtaining real-time Formula 1 timing information through APIs, which suggests a demand for accessible data on the sport. Overall, the project has garnered positive feedback, showcasing its potential to enhance the experience of F1 fans.