That's exactly what we're doing at https://www.snaplet.dev, I would love to chat with the founders about offering generated production accurate snapshots for developers to code against for users of their proxy!
It's common for startups to hijack competitors' launch threads. Some readers find that distasteful; perhaps that's why there were downvotes.
I'm not saying that your post was such a hijack, but it's difficult to interpret these things accurately, so any post of this kind will always land on a spectrum of responses.