Cristel Lib

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

Evidence

Ran on Kiln's test stand (2026-11-04): CristelLibFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/server/packs/PackResources; CristelLibFabricClient did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/client/command/v2/ClientCommandRegistrationCallback.

What it needs from Kiln

Mixin
net.fabricmc.fabric.api.client.command.v2.ClientCommandRegistrationCallback
net.fabricmc.fabric.api.client.command.v2.ClientCommands
net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource
net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
net.minecraft.IdentifierException
net.minecraft.SharedConstants
net.minecraft.WorldVersion
net.minecraft.commands.CommandSourceStack
net.minecraft.commands.Commands
net.minecraft.commands.Commands.CommandSelection
net.minecraft.network.chat.ClickEvent
net.minecraft.network.chat.ClickEvent.OpenUrl
net.minecraft.network.chat.Style
net.minecraft.server.packs.OverlayedPackResources
net.minecraft.server.packs.PackLocationInfo
net.minecraft.server.packs.PackResources
net.minecraft.server.packs.PackResources.ResourceOutput
net.minecraft.server.packs.PackSelectionConfig
net.minecraft.server.packs.PackType
net.minecraft.server.packs.metadata.pack.PackFormat
net.minecraft.server.packs.repository.Pack
net.minecraft.server.packs.repository.Pack.Metadata
net.minecraft.server.packs.repository.Pack.Position
net.minecraft.server.packs.repository.Pack.ResourcesSupplier
net.minecraft.server.packs.repository.PackSource
net.minecraft.server.packs.resources.IoSupplier
net.minecraft.server.packs.resources.ResourceMetadata
net.minecraft.util.ARGB
net.minecraft.util.GsonHelper
net.minecraft.util.StringRepresentable.EnumCodec
net.minecraft.util.Util
org.apache.commons.io.FileUtils
org.apache.logging.log4j.LogManager
org.apache.logging.log4j.Logger
ImmutableCollection.stream()
ImmutableSet.stream()
FabricLoader.isDevelopmentEnvironment()
Minecraft.setScreenAndShow()
Component.nullToEmpty()
MutableComponent.withStyle()
and 3 more

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

In the author's words

A Library mod for easy structure config and runtime datapacks.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file cristellib-fabric-26.3-3.1.13.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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