Potion's Belt

Evidence

Ran on Kiln's test stand (2026-11-04): PotionsBeltFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/world/MenuProvider; PotionsBeltFabricClient did not start: java.lang.NoSuchFieldError: Class net.minecraft.core.registries.BuiltInRegistries does not have member field 'net.minecraft.core.Registry MENU'.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.InputConstants.Key
• com.mojang.renderpearl.api.pipeline.RenderPipeline
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.screens.MenuScreens
• net.minecraft.client.gui.screens.MenuScreens.ScreenConstructor
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.core.NonNullList
• net.minecraft.core.component.DataComponents
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.world.Container
• net.minecraft.world.SimpleContainer
• net.minecraft.world.SimpleMenuProvider
• net.minecraft.world.entity.HumanoidArm
• net.minecraft.world.entity.player.Inventory
• net.minecraft.world.inventory.AbstractContainerMenu
• net.minecraft.world.inventory.MenuType
• net.minecraft.world.inventory.Slot
• net.minecraft.world.item.ItemCooldowns
• net.minecraft.world.item.component.Consumable
• net.minecraft.world.item.component.Consumables
• net.minecraft.world.item.component.ItemContainerContents
• net.minecraft.world.MenuProvider
• InputConstants.UNKNOWN
• Gui.hud
• and 25 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

Potion Belt addresses inventory management by introducing a specialized item container designed solely for potions.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file fabric-potions-belt-1.1.0+26.3.jar. The scan reads the mod's classes; it does not run them.