PolyFactory

Evidence

Ran on Kiln's test stand (2026-11-04): it stopped at eu.pb4.polymer.resourcepack.extras.api.format.item.model.ItemModel, a class from a jar nested inside the mod; Kiln does not unpack nested jars yet.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.math.Axis
• com.mojang.math.Transformation
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.entity.FakePlayer
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.EndDataPackReload
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopped
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.StartTick
• net.fabricmc.fabric.api.event.player.AttackBlockCallback
• net.fabricmc.fabric.api.event.player.AttackEntityCallback
• net.fabricmc.fabric.api.event.player.UseEntityCallback
• net.fabricmc.fabric.api.event.registry.FabricRegistryBuilder
• net.fabricmc.fabric.api.event.registry.RegistryAttribute
• net.fabricmc.fabric.api.event.registry.RegistryEntryAddedCallback
• net.fabricmc.fabric.api.item.v1.ItemComponentTooltipProviderRegistry
• net.fabricmc.fabric.api.lookup.v1.block.BlockApiLookup
• net.fabricmc.fabric.api.lookup.v1.item.ItemApiLookup
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.fabricmc.fabric.api.networking.v1.context.PacketContext
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder.Factory
• net.fabricmc.fabric.api.object.builder.v1.world.poi.PoiHelper
• net.fabricmc.fabric.api.tag.convention.v2.ConventionalItemTags
• net.fabricmc.fabric.api.transfer.v1.context.ContainerItemContext
• net.fabricmc.fabric.api.transfer.v1.fluid.FluidConstants
• net.fabricmc.fabric.api.transfer.v1.item.ContainerStorage
• net.fabricmc.fabric.api.transfer.v1.item.ItemStorage
• net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
• net.fabricmc.fabric.api.transfer.v1.item.base.SingleItemStorage
• net.fabricmc.fabric.api.transfer.v1.storage.SlottedStorage
• net.fabricmc.fabric.api.transfer.v1.storage.Storage
• net.fabricmc.fabric.api.transfer.v1.storage.StorageView
• net.fabricmc.fabric.api.transfer.v1.storage.TransferVariant
• net.fabricmc.fabric.api.transfer.v1.storage.base.ResourceAmount
• net.fabricmc.fabric.api.transfer.v1.storage.base.SingleSlotStorage
• net.fabricmc.fabric.api.transfer.v1.transaction.Transaction
• and 80 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

Let's build a factory! A tech mod for your Minecraft server!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file polyfactory-0.13.1+26.3.jar. The scan reads the mod's classes; it does not run them.