Amazon CodeGuru is a tool that uses machine learning and automated reasoning to detect, track, and fix code security vulnerabilities throughout the development cycle. Key features of Amazon CodeGuru include: - Detecting security vulnerabilities at any stage of the development lifecycle - Providing recommendations on how to fix identified vulnerabilities - Tracking the status of vulnerabilities until closure - Integrating with existing code repositories on platforms like GitHub, Bitbucket, and AWS CodeCommit - Reducing false-positive detections through deep semantic analysis