InstaSlate

Evidence

Ran on Kiln's test stand (2026-11-04): InstaSlate did not start: java.lang.NoClassDefFoundError: net/minecraft/core/HolderGetter.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopping
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.core.HolderGetter
• net.minecraft.core.HolderSet
• net.minecraft.core.HolderSet.Direct
• net.minecraft.core.NonNullList
• net.minecraft.core.RegistryAccess
• net.minecraft.core.component.DataComponents
• net.minecraft.nbt.CompoundTag
• net.minecraft.server.MinecraftServer
• net.minecraft.server.players.PlayerList
• net.minecraft.world.effect.MobEffectInstance
• net.minecraft.world.effect.MobEffects
• net.minecraft.world.entity.player.Inventory
• net.minecraft.world.inventory.AbstractContainerMenu
• net.minecraft.world.inventory.Slot
• net.minecraft.world.item.component.CustomData
• net.minecraft.world.item.component.Tool
• net.minecraft.world.item.component.Tool.Rule
• net.minecraft.world.item.enchantment.EnchantmentHelper
• net.minecraft.world.item.enchantment.Enchantments
• FabricLoader.getModContainer()
• Registries.ENCHANTMENT
• ServerPlayer.containerMenu
• ServerPlayer.getInventory()
• ServerPlayer.inventoryMenu
• Player.getEffect()
• ItemStack.get()
• ItemStack.getComponentsPatch()
• ItemStack.has()
• ItemStack.is()
• ItemStack.remove()
• ItemStack.set()
• Items.NETHERITE_PICKAXE
• Level.registryAccess()
• and 2 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

InstaSlate is a Fabric mod that makes deepslate mine as fast as stone.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file instaslate-1.0.5.jar. The scan reads the mod's classes; it does not run them.