prefab as AddComponent?

i have a prefab . and i want to add it like a component

can this be done via script i want to do this sort of thing if possible

GameObject temp = UnityEngine.Resources.LoadAssetAtPath("Assets/Prefabs/MetalCollider.prefab", typeof(GameObject)) as GameObject;

 m_collider.AddComponent<temp>();

can this be done ? its for inspetor Editing