Mochila

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

Evidence

Ran on Kiln's test stand (2026-11-04): MochilaFabric 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.minecraft.commands.CommandSourceStack
net.minecraft.commands.Commands
net.minecraft.commands.Commands.CommandSelection
net.minecraft.commands.arguments.coordinates.BlockPosArgument
net.minecraft.commands.arguments.item.ItemArgument
net.minecraft.commands.arguments.item.ItemInput
net.minecraft.core.NonNullList
net.minecraft.core.component.DataComponentType
net.minecraft.core.component.DataComponentType.Builder
net.minecraft.core.component.DataComponents
net.minecraft.core.particles.ParticleTypes
net.minecraft.network.FriendlyByteBuf
net.minecraft.network.codec.StreamCodec
net.minecraft.network.protocol.game.ClientboundSoundPacket
net.minecraft.network.protocol.game.ClientboundSystemChatPacket
net.minecraft.server.network.ServerGamePacketListenerImpl
net.minecraft.server.permissions.Permission
net.minecraft.server.permissions.Permission.HasCommandLevel
net.minecraft.server.permissions.PermissionLevel
net.minecraft.server.permissions.PermissionSet
net.minecraft.stats.Stats
net.minecraft.world.Container
net.minecraft.world.ContainerHelper
net.minecraft.world.SimpleContainer
net.minecraft.world.SimpleMenuProvider
net.minecraft.world.entity.decoration.ItemFrame
net.minecraft.world.entity.player.Inventory
net.minecraft.world.inventory.ChestMenu
net.minecraft.world.inventory.ContainerInput
net.minecraft.world.inventory.MenuType
net.minecraft.world.inventory.PlayerEnderChestContainer
net.minecraft.world.inventory.ShulkerBoxSlot
net.minecraft.world.inventory.Slot
net.minecraft.world.item.CreativeModeTab.Row
net.minecraft.world.item.DyeColor
net.minecraft.world.item.DyeItem
net.minecraft.world.item.Item.TooltipContext
net.minecraft.world.item.TooltipFlag
net.minecraft.world.item.component.ItemContainerContents
net.minecraft.world.item.component.TooltipDisplay
and 41 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 colorful upgradable backpack mod.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file mochila-fabric-6.2.1+26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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