Server-Side Waystones

Evidence

Ran on Kiln's test stand (2026-11-04): it stopped at eu.pb4.polymer.core.api.block.PolymerBlock, 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.authlib.minecraft.MinecraftProfileTextures
• com.mojang.authlib.minecraft.SessionService
• com.mojang.authlib.services.ProfileResult
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarting
• 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.resource.v1.ResourceLoader
• net.fabricmc.fabric.api.resource.v1.pack.PackActivationType
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.IdentifierException
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.core.RegistryAccess
• net.minecraft.core.RegistryAccess.Frozen
• net.minecraft.core.UUIDUtil
• net.minecraft.core.component.DataComponents
• net.minecraft.core.particles.DustParticleOptions
• net.minecraft.core.particles.ParticleOptions
• net.minecraft.core.particles.ParticleTypes
• net.minecraft.core.particles.PowerParticleOption
• net.minecraft.network.chat.CommonComponents
• net.minecraft.server.MinecraftServer
• net.minecraft.server.Services
• net.minecraft.server.permissions.PermissionLevel
• net.minecraft.world.entity.Display
• net.minecraft.world.entity.Display.BillboardConstraints
• net.minecraft.world.entity.Display.TextDisplay
• net.minecraft.world.entity.Display.TextDisplay.Align
• net.minecraft.world.entity.player.Inventory
• net.minecraft.world.inventory.ContainerInput
• net.minecraft.world.inventory.MenuType
• net.minecraft.world.item.CreativeModeTab.Builder
• net.minecraft.world.item.CreativeModeTab.DisplayItemsGenerator
• net.minecraft.world.item.CreativeModeTab.ItemDisplayParameters
• and 79 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

Polymer-based server sided Waystone mod, with Geyser and vanilla client support.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file sswaystones-1.3.2.jar. The scan reads the mod's classes; it does not run them.