Horse Spawn

Evidence

Ran on Kiln's test stand (2026-11-04): HorseSpawn did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/ServerLevelAccessor.

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.minecraft.server.MinecraftServer
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.world.entity.EntitySpawnReason
• net.minecraft.world.entity.EntityType
• net.minecraft.world.entity.EquipmentSlot
• net.minecraft.world.entity.animal.equine.AbstractChestedHorse
• net.minecraft.world.entity.animal.equine.AbstractHorse
• net.minecraft.world.entity.animal.equine.Horse
• net.minecraft.world.entity.animal.equine.Llama
• net.minecraft.world.entity.animal.equine.Llama.Variant
• net.minecraft.world.entity.animal.equine.Markings
• net.minecraft.world.entity.animal.equine.Variant
• net.minecraft.world.level.GameType
• net.minecraft.world.level.block.ColorCollection
• net.minecraft.world.level.chunk.status.ChunkStatus
• net.minecraft.world.level.levelgen.Heightmap
• net.minecraft.world.level.levelgen.Heightmap.Types
• net.minecraft.world.level.ServerLevelAccessor
• BuiltInRegistries.ENTITY_TYPE
• ServerLevel.addFreshEntity()
• ServerLevel.getCurrentDifficultyAt()
• LivingEntity.setCustomName()
• LivingEntity.setPos()
• Player.addItem()
• Player.getBlockX()
• Player.getBlockZ()
• Player.getPlainTextName()
• Items.CARPET
• Items.COPPER_HORSE_ARMOR
• Items.DIAMOND_HORSE_ARMOR
• Items.GOLDEN_HORSE_ARMOR
• Items.IRON_HORSE_ARMOR
• Items.LEAD
• Items.LEATHER_HORSE_ARMOR
• Items.NETHERITE_HORSE_ARMOR
• Items.SADDLE
• Level.getChunk()
• Level.getHeight()

On the roadmap: Code next to data (0.3), Mixin (0.5)

In the author's words

Spawns a saddled horse near you when entering a world for the first time!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file 26.2-1.9.2.jar. The scan reads the mod's classes; it does not run them.