Thief

Evidence

Ran on Kiln's test stand (2026-11-04): ThiefFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/advancements/triggers/SimpleCriterionTrigger; ThiefFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/screens/options/OptionsSubScreen.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.Window
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.command.v2.ArgumentTypeRegistry
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents.AfterDeath
• net.fabricmc.fabric.api.event.EventFactory
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopped
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents.Before
• net.fabricmc.fabric.api.event.player.UseEntityCallback
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder.Factory
• net.minecraft.advancements.predicates.ItemPredicate
• net.minecraft.advancements.predicates.MinMaxBounds
• net.minecraft.advancements.predicates.MinMaxBounds.Ints
• net.minecraft.advancements.predicates.entity.EntityPredicate
• net.minecraft.advancements.triggers.CriterionTrigger
• net.minecraft.advancements.triggers.SimpleCriterionTrigger
• net.minecraft.advancements.triggers.SimpleCriterionTrigger.SimpleInstance
• net.minecraft.client.Options
• net.minecraft.client.gui.Hud
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.arguments.EntityArgument
• net.minecraft.commands.synchronization.ArgumentTypeInfo
• net.minecraft.commands.synchronization.ArgumentTypeInfo.Template
• net.minecraft.core.RegistryAccess
• net.minecraft.core.SectionPos
• net.minecraft.core.component.DataComponentType
• net.minecraft.core.component.DataComponentType.Builder
• and 77 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

Stealing from villages has consequences

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file thief-fabric-26.3-1.2.7.jar. The scan reads the mod's classes; it does not run them.