SlotKit

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

Evidence

Ran on Kiln's test stand (2026-11-04): SlotKit did not start: java.lang.NoClassDefFoundError: net/minecraft/world/inventory/InventoryMenu; SlotKitClient did not start: java.lang.NoClassDefFoundError: net/minecraft/world/inventory/Slot.

What it needs from Kiln

Mixin
com.mojang.authlib.GameProfile
com.mojang.blaze3d.platform.Window
io.netty.buffer.ByteBuf
io.netty.buffer.Unpooled
net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry
net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry.Builder
net.fabricmc.fabric.api.attachment.v1.AttachmentSyncPredicate
net.fabricmc.fabric.api.attachment.v1.AttachmentTarget
net.fabricmc.fabric.api.attachment.v1.AttachmentType
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStarted
net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationConnectionEvents
net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationConnectionEvents.Start
net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationNetworking
net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationNetworking.ConfigurationPayloadHandler
net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationNetworking.Context
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
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.screen.v1.ScreenEvents
net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterInit
net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.Remove
net.fabricmc.fabric.api.client.screen.v1.ScreenMouseEvents
net.fabricmc.fabric.api.client.screen.v1.ScreenMouseEvents.AfterMouseClick
net.fabricmc.fabric.api.client.screen.v1.ScreenMouseEvents.AllowMouseClick
net.fabricmc.fabric.api.entity.event.v1.ServerEntityLevelChangeEvents
net.fabricmc.fabric.api.entity.event.v1.ServerEntityLevelChangeEvents.AfterPlayerChange
net.fabricmc.fabric.api.menu.v1.ExtendedMenuType
net.fabricmc.fabric.api.networking.v1.PacketSender
net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
net.fabricmc.fabric.api.networking.v1.ServerConfigurationConnectionEvents
net.fabricmc.fabric.api.networking.v1.ServerConfigurationConnectionEvents.Configure
net.fabricmc.fabric.api.networking.v1.ServerConfigurationConnectionEvents.Disconnect
net.fabricmc.fabric.api.networking.v1.ServerConfigurationNetworking
net.fabricmc.fabric.api.networking.v1.ServerConfigurationNetworking.ConfigurationPacketHandler
net.fabricmc.fabric.api.networking.v1.ServerConfigurationNetworking.Context
net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Disconnect
and 64 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

A Fabric library for finding and acting on the slots in any menu, and for building real slots that persist and sync.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file slotkit-2.3.0+26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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