Until recently, when starting a new chat, the agent would consistently follow user-defined rules, especially if rules were configured to apply in every new conversation.
Now, the agent no longer respects those rules in new chats. Even clearly visible rules like inserting a specific phrase at the start of every response are completely ignored when opening a new thread.
Steps to Reproduce
Go to cursor rules and define a rule that applies to every conversation.
Example: “At the start of each chat, respond with the word ‘HelloBot’.”
Open a new chat.
Observe that the agent does not follow the rule the specified phrase or behavior is missing.
Operating System
Windows 10/11
Current Cursor Version (Menu → About Cursor → Copy)
I’ve just updated to the latest version, but the issue still persists.
If you don’t add the rules to the conversation manually, it doesn’t take them into account
This has been happening since a few versions ago.
It occurs for me with all models, without exception — unless I manually attach the rules file.
I’m not sure I understood which specific detail you want me to attach.
I took a screenshot in case that helps.
If there’s any other detail you need, or any information I can provide that might help lead to a solution,
I’d be more than happy to assist.
Sorry, it was entirely my fault.
I’m just used to the old rules format.
Now I see that in new projects,
Cursor requires adding at the beginning of the file:
