Curate, connect, and discover
No, but, like, what do they do then? Do the other pantheon gods claim them and send an apology note and be like "Lol, sorry. They took a wrong turn"!?!?!?!?!
Do any of you ever wonder if Camp Half-Blood accidentally brought in a demigod of a different pantheon before?
This would be especially hilarious if it happens sometime after The Last Olympian/Heroes of Olympus, where the gods are required to claim their kids quickly.
A whole day passes, and the new demigod needs to sleep in the Hermes Cabin and Percy is furious. Meanwhile, the Greek Gods are pointing at each other and shouting, contacting the most obscure of mini gods. Chaos erupts on Olympus as every deity in Greek Mythology is called upon and interrogated. Hermes hasn't run around so much in centuries.
Hecate sits in silence, fully aware of what's happening, but enjoying the show too much to intervene.