JEI Villagers is a client side only mod that allows you to see what trades villagers have. At the top of the recipe will tell you what villager career offers that trade. Most trades have a range of stack size so it is displayed below the recipe.
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Does this mod work with Minecraft Comes Alive? I don't know if that mod changes what people trade.
By any chance could you make this for 1.10.2, please?
This is already a part of Just Enough Resources. I like this GUI a lot better, though.