Better Party

Evidence

Ran on Kiln's test stand (2026-11-04): BetterParty did not start: java.lang.NoClassDefFoundError: net/minecraft/world/entity/ExperienceOrb; BetterPartyClient 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.client.screen.v1.ScreenEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterInit
• net.fabricmc.fabric.api.client.screen.v1.Screens
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents.AllowDamage
• net.fabricmc.fabric.api.entity.event.v1.ServerPlayerEvents.Join
• net.fabricmc.fabric.api.entity.event.v1.ServerPlayerEvents.Leave
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopped
• 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.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Init
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.minecraft.client.Camera
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.components.AbstractButton
• 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.EditBox
• net.minecraft.client.gui.components.EditBox.TextFormatter
• net.minecraft.client.gui.components.PlayerFaceExtractor
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.client.gui.components.WidgetSprites
• net.minecraft.client.gui.screens.inventory.InventoryScreen
• net.minecraft.client.gui.screens.recipebook.RecipeBookComponent
• net.minecraft.client.input.KeyEvent
• net.minecraft.client.input.MouseButtonEvent
• net.minecraft.client.multiplayer.PlayerInfo
• net.minecraft.client.renderer.GameRenderer
• and 68 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

Better Party brings a polished MMORPG-style party system to Minecraft with public and private groups, party chat, friendly-fire protection, nearby XP sharing, and a fully customizable live HUD.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file better-party-fabric-26.3-1.1.7.jar. The scan reads the mod's classes; it does not run them.