Universal Shops

Evidence

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

What it needs from Kiln

• Mixin
• com.mojang.authlib.GameProfile
• net.fabricmc.api.EnvType
• net.fabricmc.fabric.api.block.BlockAttackInteractionAware
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder.Factory
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ContactInformation
• net.fabricmc.loader.api.metadata.ModMetadata
• net.fabricmc.loader.api.metadata.Person
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.core.NonNullList
• net.minecraft.core.RegistryAccess
• net.minecraft.core.RegistryAccess.Frozen
• net.minecraft.core.UUIDUtil
• net.minecraft.core.component.DataComponents
• net.minecraft.nbt.CompoundTag
• net.minecraft.nbt.IntArrayTag
• net.minecraft.nbt.IntTag
• net.minecraft.nbt.Tag
• net.minecraft.nbt.TagType
• net.minecraft.network.chat.ClickEvent
• net.minecraft.network.chat.ClickEvent.OpenUrl
• net.minecraft.network.chat.CommonComponents
• net.minecraft.network.chat.FontDescription
• net.minecraft.network.chat.FontDescription.Resource
• net.minecraft.network.chat.HoverEvent
• net.minecraft.network.chat.HoverEvent.ShowItem
• net.minecraft.network.chat.HoverEvent.ShowText
• net.minecraft.network.chat.Style
• net.minecraft.network.protocol.game.ClientboundSoundEntityPacket
• net.minecraft.server.MinecraftServer
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.server.permissions.PermissionLevel
• net.minecraft.server.players.NameAndId
• and 73 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

Universal trade shop mod for your Minecraft server!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file universal_shops-1.16.0+26.3.jar. The scan reads the mod's classes; it does not run them.