Prefixes

Evidence

Ran on Kiln's test stand (2026-11-04): Prefixes did not start: java.lang.NoClassDefFoundError: net/minecraft/server/packs/resources/PreparableReloadListener.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.Window
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.resource.v1.ResourceLoader
• net.fabricmc.fabric.api.resource.v1.reloader.SimpleReloadListener
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.SharedSuggestionProvider
• net.minecraft.core.component.DataComponentType
• net.minecraft.core.component.DataComponentType.Builder
• net.minecraft.core.component.DataComponents
• net.minecraft.network.chat.Style
• net.minecraft.server.MinecraftServer
• net.minecraft.server.PlayerAdvancements
• net.minecraft.server.ServerAdvancementManager
• net.minecraft.server.packs.PackType
• net.minecraft.server.packs.resources.PreparableReloadListener
• net.minecraft.server.packs.resources.PreparableReloadListener.SharedState
• net.minecraft.server.packs.resources.Resource
• net.minecraft.server.packs.resources.ResourceManager
• net.minecraft.server.packs.resources.ResourceManager.Selector
• net.minecraft.stats.StatFormatter
• net.minecraft.stats.StatType
• net.minecraft.stats.Stats
• net.minecraft.tags.TagKey
• net.minecraft.world.entity.EquipmentSlotGroup
• net.minecraft.world.entity.ai.attributes.AttributeModifier
• net.minecraft.world.entity.ai.attributes.AttributeModifier.Operation
• net.minecraft.world.item.component.ItemAttributeModifiers
• net.minecraft.world.item.component.ItemAttributeModifiers.Builder
• net.minecraft.world.item.component.ItemAttributeModifiers.Entry
• net.minecraft.world.item.component.ItemLore
• net.minecraft.world.level.storage.loot.LootContext
• net.minecraft.world.level.storage.loot.functions.LootItemConditionalFunction
• net.minecraft.world.level.storage.loot.functions.LootItemConditionalFunction.Builder
• net.minecraft.world.level.storage.loot.functions.LootItemFunction
• net.minecraft.world.level.storage.loot.functions.LootItemFunction.Builder
• net.minecraft.world.phys.HitResult.Type
• net.minecraft.world.phys.shapes.Shapes
• net.minecraft.world.phys.shapes.VoxelShape
• and 29 more

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

Adds a Terraria style prefix / reforge system.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file prefixes-1.0.10.jar. The scan reads the mod's classes; it does not run them.