Describe the Bug
add project rules in cursor settings, but nothing happened after complete rules adding
Steps to Reproduce
Click Add Rule in setting
write rules, save and exit.
an .mdf file was created in .cursor\rules, but cursor can’t fine any rules
Screenshots / Screen Recordings
Operating System
Windows 10/11
Current Cursor Version (Menu → About Cursor → Copy)
Version: 1.2.4 (user setup)
VSCode Version: 1.99.3
Commit: a8e95743c5268be73767c46944a71f4465d05c90
Date: 2025-07-10T17:09:01.383Z
Electron: 34.5.1
Chromium: 132.0.6834.210
Node.js: 20.19.0
V8: 13.2.152.41-electron.0
OS: Windows_NT x64 10.0.26100
Does this stop you from using Cursor
Yes - Cursor is unusable