Agreed! On nomenclature - you're saying ssh agent forwarding, but the functionality you describe is actually simply public keys on remote machines. The only tim

Agreed! On nomenclature - you're saying ssh agent forwarding, but the functionality you describe is actually simply public keys on remote machines. The only time you need to forward is when you're logging into another machine through a third machine -- and as other commenters have pointed out, you're extending your trust model to that third machine.