If Starship can't dock to ISS then use a small capsule as a tender. The capsule wouldn't need long term life support or large engines or a heat shield, it could

If Starship can't dock to ISS then use a small capsule as a tender. The capsule wouldn't need long term life support or large engines or a heat shield, it could be relatively simple and cheap. Or better, why even go to ISS, one Starship has more habitable volume than the whole thing...