This document proposes the Cloud Debugger tool to help diagnose performance problems in cloud manufacturing systems. The Cloud Debugger allows developers to set watch points in code to get snapshots of variables when requests hit that line, without needing to change production code. It also utilizes cloud tracing to visualize time spent processing requests and cloud monitoring to identify and quickly repair performance issues from dashboards and alerts. The tool aims to significantly reduce the effort for cloud operators to diagnose problems compared to traditional approaches.