Anvil Player Heads

Evidence

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

What it needs from Kiln

• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.authlib.properties.PropertyMap
• net.minecraft.core.NonNullList
• net.minecraft.core.component.DataComponentMap
• net.minecraft.core.component.DataComponents
• net.minecraft.server.MinecraftServer
• net.minecraft.server.Services
• net.minecraft.server.players.ProfileResolver
• net.minecraft.world.inventory.AnvilMenu
• net.minecraft.world.inventory.DataSlot
• net.minecraft.world.inventory.Slot
• net.minecraft.world.item.component.ResolvableProfile
• ServerLevel.getServer()
• ServerPlayer.containerMenu
• ServerPlayer.getId()
• Player.getId()
• Item.components()
• ItemStack.getCustomName()
• ItemStack.remove()
• ItemStack.set()
• Items.PLAYER_HEAD

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

Adds the ability to rename a minecraft:player_head in an anvil and update it to the corresponding player's skin. Requires a way to acquire the player_head object. I use a custom recipe to craft zombie_head → player_head.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file anvil-player-heads-1.0.5+26.3.jar. The scan reads the mod's classes; it does not run them.