[FoeNyx]

In https://news.ycombinator.com/item?id=38531759 its OP states "A team member has published an open source Python iMessage protocol PoC on Github: https://github.com/JJTech0130/pypush."

[jaktet]

Maybe there’s an easy way to just read all their replies but I see now that in the linked blog post it links https://blog.beeper.com/p/how-beeper-mini-works which goes over the technical details and mentions the python repo. Thanks

[FoeNyx]

Oh, it wasn't lost among all their replies, it was in the 4th paragraph of the header text section of that Show HN post.