Permissions:
add.op.use » Permission to add operators
remove.op.use » Permission to remove operators
list.op.use » Permission to list operators
operator.use » Permission to bypass the checks (Also, needs be a trusted user)

Commands:
/addtrustedperson (username) (password) » Add a trusted person
/removetrustedperson (username) (password) » Remove a trusted person
/oplist » List the operators
/oplistclear » Delete the operator list


Dependincies:
Skript
PlaceholderAPI