Open Trade

Evidence

Ran on Kiln's test stand (2026-11-04): OpenTradeFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/block/ChestBlock; OpenTradeFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/components/toasts/Toast.

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• 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.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.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.client.MouseHandler
• net.minecraft.client.Options
• 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.Tooltip
• net.minecraft.client.gui.components.toasts.Toast
• net.minecraft.client.gui.components.toasts.Toast.Visibility
• net.minecraft.client.gui.components.toasts.ToastManager
• net.minecraft.client.gui.screens.MenuScreens
• net.minecraft.client.gui.screens.MenuScreens.ScreenConstructor
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.input.KeyEvent
• net.minecraft.client.input.MouseButtonEvent
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider
• net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider.Context
• net.minecraft.client.renderer.blockentity.BlockEntityRenderers
• net.minecraft.client.renderer.blockentity.ChestRenderer
• net.minecraft.core.GlobalPos
• net.minecraft.core.HolderLookup.RegistryLookup
• net.minecraft.core.NonNullList
• net.minecraft.core.RegistryAccess
• net.minecraft.core.UUIDUtil
• net.minecraft.core.component.DataComponents
• and 81 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

A player to player trading system with a server-wide market.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file [26.3] Open Trade [1.5.0].jar. The scan reads the mod's classes; it does not run them.