To add an in game admin you will need to do the following:
- Log into MCMA (mcmyadmin), then click on the "Console" tab.
- At the bottom there is a bar you can type in, type
/op username(replacing username with the player's in-game username). You can undo this by typing "/deop username"
This first admin must be added through MCMA. Once someone is added as admin, they can add other admins using
/op username from in game.