Drinking Flask

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

Evidence

Ran on Kiln's test stand (2026-11-04): DrinkingFlask did not start: java.lang.NoClassDefFoundError: net/minecraft/network/codec/ByteBufCodecs; DrinkingFlaskClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/screens/inventory/tooltip/ClientTooltipComponent.

What it needs from Kiln

Mixin
net.fabricmc.fabric.api.client.rendering.v1.ClientTooltipComponentCallback
net.fabricmc.fabric.api.item.v1.ItemComponentTooltipProviderRegistry
net.minecraft.advancements.triggers.ConsumeItemTrigger
net.minecraft.advancements.triggers.CriteriaTriggers
net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipComponent
net.minecraft.client.renderer.RenderPipelines
net.minecraft.core.component.DataComponentGetter
net.minecraft.core.component.DataComponentType
net.minecraft.core.component.DataComponentType.Builder
net.minecraft.core.component.DataComponents
net.minecraft.network.codec.ByteBufCodecs
net.minecraft.network.codec.StreamCodec
net.minecraft.network.codec.StreamCodec.CodecOperation
net.minecraft.stats.StatType
net.minecraft.stats.Stats
net.minecraft.tags.TagKey
net.minecraft.util.ARGB
net.minecraft.util.Prediction
net.minecraft.world.entity.SlotAccess
net.minecraft.world.entity.player.Inventory
net.minecraft.world.inventory.ClickAction
net.minecraft.world.inventory.Slot
net.minecraft.world.inventory.tooltip.TooltipComponent
net.minecraft.world.item.BundleItem
net.minecraft.world.item.CreativeModeTab.TabVisibility
net.minecraft.world.item.Item.TooltipContext
net.minecraft.world.item.ItemInstance
net.minecraft.world.item.ItemStackTemplate
net.minecraft.world.item.ItemUseAnimation
net.minecraft.world.item.ItemUtils
net.minecraft.world.item.component.Consumable
net.minecraft.world.item.component.Consumable.Builder
net.minecraft.world.item.component.Consumables
net.minecraft.world.item.component.TooltipProvider
net.minecraft.world.item.component.UseRemainder
FabricCreativeModeTabOutput.insertAfter()
GuiGraphicsExtractor.blitSprite()
GuiGraphicsExtractor.item()
GuiGraphicsExtractor.itemDecorations()
BuiltInRegistries.DATA_COMPONENT_TYPE
and 15 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

Potions & stews don't stack? Put them all in a flask!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file drinkingflask-4.0.5+mc26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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