We primarily provide support via email (
[email protected]) for all your questions - I do try to monitor our forum as well (
where I see your post), but that's ideally a place where users help each other as well, instead of relying only on me
For your particular question, the answer is no, I don't have any existing tools to migrate from a MIGX gallery, so a custom script is what you'd need. As you were already going that route, I didn't have much to add to your post, but I should've at the very least responded - sorry about that.