Carpet CuO Addition

Evidence

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

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.player.UseBlockCallback
• net.fabricmc.fabric.api.event.player.UseEntityCallback
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.core.component.DataComponents
• net.minecraft.nbt.CompoundTag
• net.minecraft.network.chat.HoverEvent
• net.minecraft.network.chat.HoverEvent.ShowText
• net.minecraft.network.chat.Style
• net.minecraft.server.MinecraftServer
• net.minecraft.server.level.ChunkHolder
• net.minecraft.server.level.ChunkLevel
• net.minecraft.server.level.ChunkMap
• net.minecraft.server.level.FullChunkStatus
• net.minecraft.server.level.ServerChunkCache
• net.minecraft.server.level.ThreadedLevelLightEngine
• net.minecraft.server.level.TicketType
• net.minecraft.server.permissions.Permission
• net.minecraft.server.permissions.Permission.HasCommandLevel
• net.minecraft.server.permissions.PermissionLevel
• net.minecraft.server.permissions.PermissionSet
• net.minecraft.server.permissions.Permissions
• net.minecraft.tags.BlockTags
• net.minecraft.util.ProblemReporter
• net.minecraft.util.ProblemReporter.PathElement
• net.minecraft.util.ProblemReporter.ScopedCollector
• net.minecraft.world.entity.Display
• net.minecraft.world.entity.Display.TextDisplay
• net.minecraft.world.entity.EntityTypes
• net.minecraft.world.item.DyeColor
• net.minecraft.world.item.DyeItem
• net.minecraft.world.item.alchemy.PotionContents
• net.minecraft.world.item.alchemy.Potions
• net.minecraft.world.level.ChunkPos
• net.minecraft.world.level.block.WeatheringCopper
• and 39 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

A simple carpet addition mod. It offers some features.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file carpet_cuo_addition-v1.12.2-mc26.3.jar. The scan reads the mod's classes; it does not run them.