Item=Border

Evidence

Ran on Kiln's test stand (2026-11-04): ItemEqualsBorder did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload; ItemEqualsBorderClient did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

• Mixin
• com.mojang.authlib.GameProfile
• 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.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.minecraft.client.gui.ActiveTextCollector
• net.minecraft.client.gui.components.AbstractScrollArea
• net.minecraft.client.gui.components.AbstractScrollArea.ScrollbarSettings
• net.minecraft.client.gui.components.AbstractWidget
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.Checkbox
• net.minecraft.client.gui.components.Checkbox.Builder
• net.minecraft.client.gui.components.Checkbox.OnValueChange
• net.minecraft.client.gui.components.EditBox
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.client.multiplayer.PlayerInfo
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.resources.DefaultPlayerSkin
• net.minecraft.core.ClientAsset
• net.minecraft.core.ClientAsset.Texture
• net.minecraft.core.NonNullList
• net.minecraft.network.chat.Style
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.codec.StreamCodec.CodecOperation
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
• net.minecraft.server.MinecraftServer
• net.minecraft.server.level.ServerChunkCache
• net.minecraft.server.network.ServerGamePacketListenerImpl
• and 28 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

Collect new unique items to expand the border. Can you collect your way all the way to the stronghold?

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file item-equals-border-1.2.1.jar. The scan reads the mod's classes; it does not run them.