Cytooxien Tooltips

Evidence

Ran on Kiln's test stand (2026-11-04): CytooxienTooltips did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/client/item/v1/ItemTooltipCallback.

What it needs from Kiln

• com.mojang.blaze3d.platform.InputConstants.Key
• net.fabricmc.fabric.api.client.item.v1.ItemTooltipCallback
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterInit
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.Remove
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.core.component.DataComponents
• net.minecraft.nbt.CompoundTag
• net.minecraft.nbt.Tag
• net.minecraft.network.Connection
• net.minecraft.network.chat.ComponentSerialization
• net.minecraft.network.chat.FontDescription
• net.minecraft.network.chat.FontDescription.Resource
• net.minecraft.network.chat.Style
• net.minecraft.world.entity.player.Inventory
• net.minecraft.world.item.Item.TooltipContext
• net.minecraft.world.item.TooltipFlag
• net.minecraft.world.item.component.CustomData
• net.minecraft.world.item.component.CustomModelData
• InputConstants.UNKNOWN
• ClientPacketListener.getConnection()
• LocalPlayer.getInventory()
• Component.copy()
• MutableComponent.withStyle()
• ItemStack.get()
• ItemStack.getDisplayName()
• Items.FIREWORK_STAR
• Items.LEATHER_HORSE_ARMOR
• Items.PAPER

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

In the author's words

Additional item tooltips on Cytooxien

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file cxn-tooltips-1.4.1+26.3.jar. The scan reads the mod's classes; it does not run them.