Cursor rules are not updated within agent mode

[genyklemberg]

Thanks for reporting a bug you have found in Cursor!
Please add the following info to help us diagnose your issue:

Check the forum to ensure the issue hasn’t been reported already
No similar topic

Provide a clear description of the bug
Agent updates/creates cursor rule file and change diff is available, but when selecting file from explorer it is still in previous state

Explain how to reproduce the bug (if known)
Just update cursor rules with agent mode, no matter what llm, sonnet 3.7 or gemini

Attach screenshots or recordings (e.g., .jpg, .png, .mp4).
pretty straightforward change diff available, but the actually file is previous state

Tell us your operating system and your Cursor version (e.g., Windows, 0.x.x).
Mac OS M-series

Tell us if the issue stops you from using Cursor.
It is veryyyyyyyy anyoinggggggg

[Biggs]

This might be related to this post:

Cursor agent cannot write to .cursor/rules (even to *.mdc files)

Problem I’ve tried to make Cursor to write it’s own rules. In theory it should’ve worked like: You solve a task in agent mode Ask him to update related rules to keep it updated It just does not work. Cursor seems like does not know what “rules” is. Ok, fine, understandable. Next try. I just write prompt like “Update @global.mdc according to what we just did”. Where global.mdc is .cursor/rules/global.mdc Cursor sees the file, can read it and even tries to apply to the file, but in fact it si…

I can’t see what Cursor version you’re using. Try updating to latest (0.49.x) and see if the issue is still there.

[deanrie]

Hey, this issue is fixed in version 0.49. You can get it now by opening Cursor settings with Cmd/Ctrl + Shift + J, going to the Beta tab, and enabling early access.

[genyklemberg]

Early Access doesn’t work.
But this resolved the issue: Cursor agent cannot write to .cursor/rules files - #5 by jazzmind