Compost

Evidence

Ran on Kiln's test stand (2026-11-04): Compost did not start: java.lang.NoSuchFieldError: Class net.minecraft.core.registries.BuiltInRegistries does not have member field 'net.minecraft.core.Registry CONTEXT_KEY_SET'.

What it needs from Kiln

• an access widener
• Mixin
• net.minecraft.advancements.predicates.ItemPredicate
• net.minecraft.advancements.predicates.ItemPredicate.Builder
• net.minecraft.core.NonNullList
• net.minecraft.core.component.DataComponents
• net.minecraft.server.MinecraftServer
• net.minecraft.server.ReloadableServerRegistries
• net.minecraft.server.ReloadableServerRegistries.Holder
• net.minecraft.stats.StatType
• net.minecraft.stats.Stats
• net.minecraft.util.Mth
• net.minecraft.util.context.ContextKey
• net.minecraft.util.context.ContextKeySet
• net.minecraft.util.context.ContextKeySet.Builder
• net.minecraft.world.Container
• net.minecraft.world.ContainerHelper
• net.minecraft.world.Containers
• net.minecraft.world.SimpleContainer
• net.minecraft.world.WorldlyContainer
• net.minecraft.world.entity.item.ItemEntity
• net.minecraft.world.inventory.ChestMenu
• net.minecraft.world.item.component.Compostable
• net.minecraft.world.level.block.ComposterBlock
• net.minecraft.world.level.block.EntityBlock
• net.minecraft.world.level.block.LevelEvent
• net.minecraft.world.level.block.entity.BlockEntityType
• net.minecraft.world.level.block.entity.BlockEntityType.BlockEntitySupplier
• net.minecraft.world.level.block.entity.RandomizableContainerBlockEntity
• net.minecraft.world.level.gameevent.GameEvent
• net.minecraft.world.level.gameevent.GameEvent.Context
• net.minecraft.world.level.storage.ValueInput
• net.minecraft.world.level.storage.ValueInput.TypedInputList
• net.minecraft.world.level.storage.ValueOutput
• net.minecraft.world.level.storage.ValueOutput.TypedOutputList
• net.minecraft.world.level.storage.loot.LootContext
• net.minecraft.world.level.storage.loot.LootContext.Builder
• net.minecraft.world.level.storage.loot.LootParams
• net.minecraft.world.level.storage.loot.LootParams.Builder
• net.minecraft.world.level.storage.loot.parameters.LootContextParamSets
• net.minecraft.world.level.storage.loot.parameters.LootContextParams
• net.minecraft.world.level.storage.loot.predicates.LootItemCondition
• and 27 more

On the roadmap: Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

Create compost based on what you toss into a composter!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file compost-fabric-26.3-3.0.3.jar. The scan reads the mod's classes; it does not run them.