jsoar includes an experimental debugger implemented directly with the Java API. Below is a screenshot of the debugger running the Towers of Hanoi demo. The various windows are:

• Trace - the trace window. Right-click to adjust trace levels.
• Productions - lists all loaded productions along with various statistics.
• Partial Matches - Displays "matches" command result for the selected production
• Matches - Displays current match set (i.e. "matches" command with no arguments). Select a match to see associated WMEs.
• Working Memory Tree - A tree displaying the current contents of working memory
• Preferences - Operator preferences for the state selected in Working Memory Tree
• WME Support - support information for the WME selected in the Working Memory Tree
• Towers of Hanoi - The Towers of Hanoi demo display, dynamically embedded in the debugger