Nbt Editor Port

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

Evidence

Ran on Kiln's test stand (2026-11-04): NBTEditor did not start: java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager; NBTEditorClient did not start: java.lang.NoClassDefFoundError: net/minecraft/world/MenuProvider.

What it needs from Kiln

an access widener
Mixin
com.mojang.authlib.GameProfile
com.mojang.authlib.properties.Property
com.mojang.authlib.properties.PropertyMap
com.mojang.blaze3d.platform.Window
com.mojang.blaze3d.systems.RenderSystem
com.mojang.blaze3d.vertex.PoseStack
com.mojang.blaze3d.vertex.PoseStack.Pose
com.mojang.blaze3d.vertex.VertexConsumer
io.netty.buffer.Unpooled
net.fabricmc.fabric.api.event.EventFactory
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarting
net.fabricmc.loader.api.MappingResolver
net.fabricmc.loader.api.ModContainer
net.fabricmc.loader.api.Version
net.fabricmc.loader.api.entrypoint.EntrypointContainer
net.fabricmc.loader.api.metadata.ModMetadata
net.minecraft.IdentifierException
net.minecraft.client.KeyboardHandler
net.minecraft.client.MouseHandler
net.minecraft.client.OptionInstance
net.minecraft.client.Options
net.minecraft.client.gui.GuiGraphicsExtractor.HoveredTextEffects
net.minecraft.client.gui.Hud
net.minecraft.client.gui.components.AbstractButton
net.minecraft.client.gui.components.AbstractSliderButton
net.minecraft.client.gui.components.Button
net.minecraft.client.gui.components.Button.Builder
net.minecraft.client.gui.components.Button.CreateNarration
net.minecraft.client.gui.components.Button.OnPress
net.minecraft.client.gui.components.CommandSuggestions
net.minecraft.client.gui.components.CommandSuggestions.SuggestionsList
net.minecraft.client.gui.components.EditBox
net.minecraft.client.gui.components.EditBox.TextFormatter
net.minecraft.client.gui.components.Renderable
net.minecraft.client.gui.components.Tooltip
net.minecraft.client.gui.components.events.AbstractContainerEventHandler
net.minecraft.client.gui.components.events.GuiEventListener
net.minecraft.client.gui.components.toasts.SystemToast
net.minecraft.client.gui.components.toasts.SystemToast.SystemToastId
and 82 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

Edit items, blocks, and entities in-game.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file nbteditor-2.0.13+26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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