Ideally, I'd like to see one gathering tool, one resource creating tool, one crafting tool; sort of like the way armorer has the pick, tongs and hammer. The Swiss Army knife approach was just something to appease the "can't have too many tools" crowd.
I just see it as lop-sided; a dragon carries no tools, or bags, they never have to worry about the expense and hassle of upgrading their tools and bags, because the game automatically upgrades their crafting ability and they have a small quest to increase their carrying capacity.
I'll let it drop, because I've already been told how tough dragons have it, cuz they have to hit this key stroke and everything, which is exactly the same as a biped hitting the skill limit of his old tool, and needing to buy the new formula, gather the resources, then make the new tool, and carry or store the tool, and repeat this for every new tier.