diff --git a/.rules b/.rules
index 9bed458..7982d3d 100644
--- a/.rules
+++ b/.rules
@@ -17,3 +17,4 @@
 - Avoid inline styles. Use CSS classes and styles.css instead.
 - Use Obsidian CSS variables for styling whenever possible.
 - Use comments very sparingly, except for function and class documentation. The code should speak for itself and comments just get in the way. Only use comments when the code is complex or when it's not immediately obvious what the code is doing.
+- Do not use NodeJS apis. Using NodeJS apis prevents the plugin from being usable with Obsidian mobile.