Cursor 0.48.1, Pro subscription. For some reason, I can’t get the Cursor agent to edit mdc rule files in .cursor/rules. The agent shows the diff as if the file was edited, but in reality, the file is not changed in the filesystem. This is pretty annoying as I end up having to apply the diff manuall…

Agent not editing rule files

Biggs April 20, 2025, 3:09pm 12

From what I can tell, the latest update (0.49.x) allows updating rule files with no issue. The “Workbench: editor associations” fix is no longer required.

Topic		Replies	Views
Cursor rules are not updated within agent mode Bug Reports	3	49	April 23, 2025
Enable agent to update .cursor/rules Feedback	20	776	March 22, 2025
When asking cursor to update it's rules files, it thinks it does, but it does not! Bug Reports	6	105	May 2, 2025
.mdc files in .cursor/rules/ not or rarely writeable by Cursor Agent Bug Reports	2	144	April 20, 2025
Cursor agent cannot write to .cursor/rules (even to *.mdc files) Bug Reports	6	210	May 7, 2025