The answer, Shadowhunters, is no.
Seelie Queen: For far too long, the Downworld has depended on the Clave, and your Institute, to protect us from men like Valentine. It's time we learned our lesson and started fighting for ourselves.
Alec: We can't do this alone. Valentine is a threat to all of us.
Seelie Queen: The answer, Shadowhunters, is no.