Container Preview

Evidence

Ran on Kiln's test stand (2026-11-04): PeekInsideFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload; PeekInsideClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/screens/inventory/tooltip/ClientTooltipComponent.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.InputConstants.Key
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.client.rendering.v1.ClientTooltipComponentCallback
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• 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.MouseHandler
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipComponent
• net.minecraft.client.gui.screens.inventory.tooltip.DefaultTooltipPositioner
• net.minecraft.client.input.KeyEvent
• net.minecraft.core.component.DataComponentMap
• net.minecraft.core.component.DataComponentType
• net.minecraft.core.component.DataComponents
• net.minecraft.core.component.TypedDataComponent
• net.minecraft.nbt.CompoundTag
• net.minecraft.nbt.ListTag
• net.minecraft.nbt.NbtOps
• net.minecraft.nbt.NbtUtils
• net.minecraft.nbt.NumericTag
• net.minecraft.nbt.Tag
• net.minecraft.network.chat.contents.TranslatableContents
• 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.resources.RegistryOps
• net.minecraft.server.MinecraftServer
• net.minecraft.world.Container
• net.minecraft.world.Nameable
• net.minecraft.world.inventory.PlayerEnderChestContainer
• net.minecraft.world.inventory.tooltip.TooltipComponent
• net.minecraft.world.item.DyeColor
• net.minecraft.world.item.component.BundleContents
• net.minecraft.world.item.component.CustomData
• net.minecraft.world.item.component.ItemContainerContents
• and 58 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

Want to view Shulkers, Bags, EnderChests all directly from inventory? This is the ultimate Storage tooltip you!

Scan

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