If you're like me, hopping on the GTS to see what Pokémon are available to trade was one of the first things you did in Pokémon Home. And if you're even more like me, you've checked out something really cool like a shiny Japanese idiot. Surprisingly, there was plenty up there for my potential to breed other brilliant characters, but there was a hitch. They wanted a Meltan or some other rare and valuable creature, and the app wouldn't let me trade with them. To explain this, here are which special Pokémon cannot be traded on GTS in Pokémon Home.
What special Pokemon can't be traded
And that answers a lot of my questions here, with these restrictions in place specifically for the GTS platform, and not Pokémon Home as a whole. If you trade with friends, anything goes, but on GTS where random players can meet to trade pre-determined characters, there are restrictions. Specifically, any Mythical Pokemon is considered a "Special Pokemon" and will generate the error "this is a Special Pokemon and cannot be offered for trade" every time you try.
Legendary and Event Pokémon don't have this restriction, so feel free to trade them anytime on GTS. The big question now is why players can even request these types of creatures when the app itself prevents them from being traded. There's no real answer though, so let's move on to the second question of which characters count as Mythical Pokemon. Here is the list by Fallen of release…
So it's that special Pokemon that can't be traded on GTS in Pokemon Home. Hopefully, this restriction will go away once the app becomes more stable and becomes a more natural way to swap characters between players. I wouldn't be too anxious for that to happen though.