Cozy's Improved Wolves

Evidence

Ran on Kiln's test stand (2026-11-04): CozysImprovedWolves did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/event/lifecycle/v1/ServerLifecycleEvents; CozysImprovedWolvesClient did not start: java.lang.NoClassDefFoundError: net/minecraft/world/inventory/MenuType.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.math.Axis
• io.netty.util.internal.StringUtil
• net.fabricmc.fabric.api.biome.v1.BiomeModifications
• net.fabricmc.fabric.api.biome.v1.BiomeSelectionContext
• net.fabricmc.fabric.api.client.item.v1.ItemTooltipCallback
• net.fabricmc.fabric.api.client.rendering.v1.BlockColorRegistry
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.entity.event.v1.ServerEntityCombatEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerEntityCombatEvents.AfterKilledOtherEntity
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents.AfterDeath
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLevelEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLevelEvents.Unload
• 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.lifecycle.v1.ServerLifecycleEvents.ServerStopping
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.event.player.AttackEntityCallback
• net.fabricmc.fabric.api.menu.v1.ExtendedMenuProvider
• net.fabricmc.fabric.api.menu.v1.ExtendedMenuType
• net.fabricmc.fabric.api.menu.v1.ExtendedMenuType.ExtendedFactory
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.object.builder.v1.entity.FabricDefaultAttributeRegistry
• net.minecraft.SharedConstants
• net.minecraft.WorldVersion
• net.minecraft.advancements.triggers.CriterionTrigger
• net.minecraft.advancements.triggers.SimpleCriterionTrigger
• net.minecraft.advancements.triggers.SimpleCriterionTrigger.SimpleInstance
• 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.Tooltip
• net.minecraft.client.gui.screens.MenuScreens
• net.minecraft.client.gui.screens.MenuScreens.ScreenConstructor
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.model.Model
• and 81 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

A complete upgrade of pet wolves ✰ Pet wolves have personality, helpful abilities, and can be respawned!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file cozys-improved-wolves-fabric-mc26.3-v2.1.1.jar. The scan reads the mod's classes; it does not run them.