Juan focused on improving the reliability of the HF Cache Verify tool in the huggingface/huggingface_hub repository, addressing a core issue where directories were incorrectly reported as missing files during cache checks. By refining the verification logic to filter out folder entries and verify only actual files, Juan eliminated false positives that previously affected both CI validation and end-user experience. This work involved backend development and testing, leveraging Python to align the tool’s behavior with expected repository structures. The targeted bug fix enhanced the accuracy of cache verification workflows, resulting in more dependable developer feedback and streamlined continuous integration processes.