This extension was part of Blender 4.1 bundled add-ons. It is now offered as it is, with limited supported.
No changelog for this release.
This extension does not require special permissions.
For anyone who wants this to work on blender 5.0 and up, you can manually fix the code by copying the fixes of this pull request
If you want to use this add-on in version 5.1, show the error to Claude and correct the code.
For those that has an issue with Blender 5 like me, I uploaded the Utils file to claude and it fixed it for me, I didn't understand the code to fix it myself, But it works great now