Can you make a God claim?

[John V]

Sure, not all atheists are scientifically minded. And you're right, that's an unfalsifiable claim, at least given our own level of understanding. Therefor, I would say that the scientific community, or your average sceptic, would say that the claim has no value other than to the person making it. You can convince someone sure. Not everyone accepts claims in the same way.

But forgot about the reality part if you want, and go for a coherent, falsifiable testable claim. I think making one about God is extremely hard if not impossible.

I agree. But as falsifiable, testable claims are not the only way that people determine what they know about reality, I don't see that it's problematic for theists.