Spirit Companions

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): ModFabric did not start: java.lang.NoSuchMethodError: 'java.util.Optional net.fabricmc.loader.api.FabricLoader.getModContainer(java.lang.String)'.

What it needs from Kiln

Mixin
net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
net.minecraft.commands.CommandSourceStack
net.minecraft.commands.Commands
net.minecraft.commands.Commands.CommandSelection
net.minecraft.commands.SharedSuggestionProvider
net.minecraft.commands.arguments.ResourceArgument
net.minecraft.core.component.DataComponents
net.minecraft.core.particles.DustParticleOptions
net.minecraft.core.particles.ParticleTypes
net.minecraft.nbt.CompoundTag
net.minecraft.nbt.ListTag
net.minecraft.nbt.TagParser
net.minecraft.server.MinecraftServer
net.minecraft.server.permissions.PermissionSet
net.minecraft.server.permissions.Permissions
net.minecraft.server.players.PlayerList
net.minecraft.tags.DamageTypeTags
net.minecraft.util.Mth
net.minecraft.util.ProblemReporter
net.minecraft.world.damagesource.DamageSource
net.minecraft.world.effect.MobEffectInstance
net.minecraft.world.effect.MobEffects
net.minecraft.world.entity.EntityDimensions
net.minecraft.world.entity.EntityProcessor
net.minecraft.world.entity.EntityReference
net.minecraft.world.entity.EntitySpawnReason
net.minecraft.world.entity.EntitySpawnRequest
net.minecraft.world.entity.EntityType
net.minecraft.world.entity.EquipmentSlot
net.minecraft.world.entity.Mob
net.minecraft.world.entity.MoverType
net.minecraft.world.entity.OwnableEntity
net.minecraft.world.entity.TamableAnimal
net.minecraft.world.entity.ai.Brain
net.minecraft.world.entity.ai.memory.MemoryModuleType
net.minecraft.world.entity.ai.navigation.PathNavigation
net.minecraft.world.entity.animal.equine.AbstractHorse
net.minecraft.world.entity.animal.feline.Cat
net.minecraft.world.entity.animal.wolf.Wolf
net.minecraft.world.entity.boss.enderdragon.EnderDragon
and 71 more

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

In the author's words

👻 SpookyJam 2026: Turn any mob into a translucent spirit companion that follows you!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file spiritcompanions-26.3.0-1.0.jar. The scan reads the mod's classes; it does not run them.

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