Auto Villager (Librarian) Reroll

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): VillagerRerollClient did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/Packet.

What it needs from Kiln

net.fabricmc.fabric.api.event.player.UseBlockCallback
net.minecraft.client.gui.components.Button
net.minecraft.client.gui.components.Button.Builder
net.minecraft.client.gui.components.Button.OnPress
net.minecraft.client.gui.components.EditBox
net.minecraft.client.gui.screens.inventory.MerchantScreen
net.minecraft.client.input.KeyEvent
net.minecraft.client.multiplayer.MultiPlayerGameMode
net.minecraft.core.NonNullList
net.minecraft.core.RegistryAccess
net.minecraft.network.protocol.game.ServerboundSelectTradePacket
net.minecraft.network.protocol.game.ServerboundSetCarriedItemPacket
net.minecraft.world.entity.npc.villager.Villager
net.minecraft.world.entity.npc.villager.VillagerData
net.minecraft.world.entity.npc.villager.VillagerProfession
net.minecraft.world.entity.player.Abilities
net.minecraft.world.entity.player.Inventory
net.minecraft.world.inventory.ContainerInput
net.minecraft.world.inventory.InventoryMenu
net.minecraft.world.inventory.MerchantMenu
net.minecraft.world.inventory.Slot
net.minecraft.world.item.component.SwingAnimation
net.minecraft.world.item.enchantment.Enchantment
net.minecraft.world.item.enchantment.EnchantmentHelper
net.minecraft.world.item.enchantment.ItemEnchantments
net.minecraft.world.item.trading.MerchantOffer
net.minecraft.world.item.trading.MerchantOffers
net.minecraft.world.phys.AABB
net.minecraft.world.phys.EntityHitResult
net.minecraft.network.protocol.Packet
Object2IntMap.Entry.getKey()
Minecraft.gameMode
GuiGraphicsExtractor.centeredText()
GuiGraphicsExtractor.centeredText()
Screen.extractRenderState()
Screen.keyPressed()
Screen.setInitialFocus()
Screen.setInitialFocus()
ClientLevel.getEntitiesOfClass()
ClientLevel.registryAccess()
and 23 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4)

In the author's words

This mod adds an easy to use feature to automatically reroll for enchanted books with an optional max cost setting.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file villager_reroll-1.0.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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