Project rules references not working, contrary to doc

Support Bug Reports
1

Describe the Bug

  • I have a project rule pinned to the conversation.
  • This project rules references other project rules in the root of “.cursor/rules”.
  • Cursor system prompt is no longer injected with the referenced rules.
  • The references were created using the MDC editor (which is no longer available).
  • References are in the form of: "some-project-rule.mdc

Steps to Reproduce

Create rules as described above.
Ask Cursor a question about the rule content.
Cursor cannot answer.

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.2.4 (Universal)
VSCode Version: 1.99.3
Commit: a8e95743c5268be73767c46944a71f4465d05c90
Date: 2025-07-10T16:55:16.443Z
Electron: 34.5.1
Chromium: 132.0.6834.210
Node.js: 20.19.0
V8: 13.2.152.41-electron.0
OS: Darwin arm64 23.6.0

Additional Information

Rules seem all broken:

  • @ referencing rules from another rule no longer autocompletes as before.
  • Referencing no longer create Markdown links with mdc: URI. There is just plain @some-rule in the mdc file.

This completely breaks our Cursor environment. High priority for us.

2

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