Completionist's Index

Evidence

Ran on Kiln's test stand (2026-11-04): CompletionistsIndexFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess; CompletionistsIndexFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/screens/achievement/StatsScreen.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.blaze3d.platform.cursor.CursorType
• com.mojang.blaze3d.platform.cursor.CursorTypes
• net.minecraft.client.Options
• net.minecraft.client.gui.components.AbstractWidget
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.EditBox
• net.minecraft.client.gui.components.ImageButton
• net.minecraft.client.gui.components.Renderable
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.client.gui.components.WidgetSprites
• net.minecraft.client.gui.components.events.GuiEventListener
• net.minecraft.client.gui.navigation.ScreenAxis
• net.minecraft.client.gui.navigation.ScreenRectangle
• net.minecraft.client.gui.screens.PauseScreen
• net.minecraft.client.gui.screens.achievement.StatsScreen
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.gui.screens.inventory.InventoryScreen
• net.minecraft.client.input.KeyEvent
• net.minecraft.client.input.MouseButtonEvent
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.resources.sounds.SimpleSoundInstance
• net.minecraft.client.server.IntegratedServer
• net.minecraft.client.sounds.SoundEngine
• net.minecraft.client.sounds.SoundEngine.PlayResult
• net.minecraft.client.sounds.SoundManager
• net.minecraft.core.RegistryAccess
• net.minecraft.core.RegistryAccess.Frozen
• net.minecraft.network.chat.CommonComponents
• net.minecraft.network.chat.Style
• net.minecraft.network.protocol.game.ServerboundClientCommandPacket
• net.minecraft.network.protocol.game.ServerboundClientCommandPacket.Action
• net.minecraft.references.BlockItemId
• net.minecraft.references.BlockItemIds
• net.minecraft.references.ItemIds
• net.minecraft.server.players.PlayerList
• net.minecraft.stats.ServerStatsCounter
• net.minecraft.stats.StatType
• net.minecraft.stats.Stats
• 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

An index for collecting every single block and item in the game. Adventurers behold!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file completionistsindex-v26.3.0-mc26.3.x+fabric.jar. The scan reads the mod's classes; it does not run them.