Random Size Mobs

Evidence

Ran on Kiln's test stand (2026-11-04): RandomSizeMobs did not start: java.lang.NoClassDefFoundError: net/minecraft/world/entity/Mob; RandomSizeMobsClient did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

• Mixin
• 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.networking.v1.EntityTrackingEvents
• net.fabricmc.fabric.api.networking.v1.EntityTrackingEvents.StartTracking
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.PlayerLookup
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.world.entity.Mob
• net.minecraft.world.entity.OwnableEntity
• net.minecraft.world.entity.ai.attributes.AttributeModifier
• net.minecraft.world.entity.ai.attributes.AttributeModifier.Operation
• net.minecraft.world.entity.animal.equine.AbstractHorse
• net.minecraft.world.entity.boss.enderdragon.EnderDragon
• net.minecraft.world.entity.boss.wither.WitherBoss
• net.minecraft.world.entity.monster.Creeper
• net.minecraft.world.entity.monster.ElderGuardian
• net.minecraft.world.entity.npc.villager.AbstractVillager
• net.minecraft.world.entity.projectile.Projectile
• net.minecraft.world.entity.projectile.hurtingprojectile.LargeFireball
• ClientLevel.getEntity()
• BuiltInRegistries.ENTITY_TYPE
• Entity.getId()
• Entity.hasCustomName()
• AttributeInstance.addOrReplacePermanentModifier()
• AttributeInstance.getModifier()
• AttributeInstance.hasModifier()

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

Mobs spawn with unique random sizes, affecting their HP, damage, and loot. Includes dynamic growth mechanics!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file Random-Size-Mobs-2.1.0+26.3.jar. The scan reads the mod's classes; it does not run them.