Jake enhanced error logging and diagnostics for the fastmcp repository, focusing on both the core run function and its command-line interface. Using Python, he implemented exc_info-based exception logging to ensure that full tracebacks are captured in logs, which improves traceability of errors and accelerates root-cause analysis. He also updated the CLI to utilize logger.exception, allowing subprocess failures and runtime errors to be recorded with complete context. By emphasizing robust error handling, debugging, and logging, Jake’s work improved the diagnosability of fastmcp workflows. The changes addressed the need for faster issue identification, though the scope was limited to one feature.