Bookshelf

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

Evidence

Ran on Kiln's test stand (2026-11-04): BookshelfFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/world/Container.

What it needs from Kiln

Mixin
net.fabricmc.fabric.api.command.v2.ArgumentTypeRegistry
net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
net.fabricmc.fabric.api.event.registry.DynamicRegistries
net.fabricmc.fabric.api.event.registry.DynamicRegistries.SyncOption
net.fabricmc.fabric.api.recipe.v1.ingredient.CustomIngredient
net.fabricmc.fabric.api.recipe.v1.ingredient.CustomIngredientSerializer
net.fabricmc.fabric.api.recipe.v1.sync.RecipeSynchronization
net.minecraft.DetectedVersion
net.minecraft.Optionull
net.minecraft.WorldVersion
net.minecraft.client.gui.screens.MenuScreens
net.minecraft.client.gui.screens.MenuScreens.ScreenConstructor
net.minecraft.client.renderer.blockentity.BlockEntityRenderers
net.minecraft.commands.Commands
net.minecraft.commands.Commands.CommandSelection
net.minecraft.commands.synchronization.ArgumentTypeInfo
net.minecraft.commands.synchronization.ArgumentTypeInfo.Template
net.minecraft.core.Direction.Axis
net.minecraft.core.Direction.Plane
net.minecraft.core.NonNullList
net.minecraft.core.UUIDUtil
net.minecraft.locale.Language
net.minecraft.nbt.CompoundTag
net.minecraft.network.chat.ClickEvent
net.minecraft.network.chat.ClickEvent.CopyToClipboard
net.minecraft.network.chat.CommonComponents
net.minecraft.network.chat.ComponentContents
net.minecraft.network.chat.ComponentSerialization
net.minecraft.network.chat.FontDescription
net.minecraft.network.chat.FontDescription.Resource
net.minecraft.network.chat.HoverEvent
net.minecraft.network.chat.HoverEvent.EntityTooltipInfo
net.minecraft.network.chat.HoverEvent.ShowEntity
net.minecraft.network.chat.HoverEvent.ShowItem
net.minecraft.network.chat.HoverEvent.ShowText
net.minecraft.network.chat.Style
net.minecraft.network.codec.StreamCodec
net.minecraft.network.protocol.common.custom.CustomPacketPayload
net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
net.minecraft.server.MinecraftServer
and 61 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

An open source library for other mods!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file Bookshelf-fabric-MC26.3-26.3.0.4.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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