CurseForge · Hytale mod

Block Builder

Allows you to select in game blocks to place en masse. Features Copy Paste functionality

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Block Builder release should I use?

Updated 5 days ago

Latest stable file BlockBuilder-1.2.1.jar

Game version 0.5

Mod system Built-in Hytale mod system

Block Builder BlockBuilder-1.2.1.jar targets 0.5. Do not install it as a separate client mod. Enable it on the world host—the local server in singleplayer or the dedicated server in multiplayer. No required dependencies listed for this file.

Where it goes

Where should Block Builder be installed in Hytale?

Do not install it as a separate client mod. Enable it on the world host—the local server in singleplayer or the dedicated server in multiplayer.

Separate client mod Not supported

World host / dedicated server Required

Mod system for this release Built-in Hytale mod system

Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

Put Hytale mods on the world host or dedicated server. Singleplayer runs a local server too; Hytale does not use separate client mods.

Read the Hytale installation guide

What else does Block Builder BlockBuilder-1.2.1.jar need?

BlockBuilder-1.2.1.jar. Change the file and its required mods may change too.

No required dependencies listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional project dependencies. Check the creator notes before changing an existing world.

Before you install it

Add Block Builder without breaking your instance.

Built for Block Builder BlockBuilder-1.2.1.jar. Pick another file and the loader, install side or required mods may change.

01
Stick to this file

Use BlockBuilder-1.2.1.jar. It targets 0.5; another release may target a different game build or dependency set.
02
Bring the mods it needs

This file does not list any required mods. Do not add a library just because a different file uses it.
03
Enable it on the world host

Do not install it as a separate client mod. Enable it on the world host—the local server in singleplayer or the dedicated server in multiplayer.
04
Pick the file you checked

Use the “Get this file” button beside BlockBuilder-1.2.1.jar. It opens that exact file at the source.

About this project

What does Block Builder add?

BlockBuilder
Mass placement, copy/paste building, ghost previews, and per-player builder settings for Hytale servers.

Recipe is located in pocket crafting

What BlockBuilder Does

Place blocks in bulk with a dedicated BlockBuilder tool item.
Bind a block quickly, preview placements with ghost blocks, then place in staged batches. Now featuring a real block mode not just debug/ghost block modes
Supports multiple placement modes: Look-to-Player, Surface Line, Surface Up/Down, and Surface Fill.
Will not replace existing blocks; only places into valid empty spaces.

Copy / Paste Builder Workflow

Per-player selection, clipboard memory, and paste transforms.
Anchor, offset (X/Y/Z), rotate 90°, mirror, and live preview support.
Clipboard import/export share text for moving builds between players.
Undo support for the last placed group with inventory refunds.

Material & Server Rules

Uses inventory/backpack items
Uses optional nearby chest pulling. (Experimental)
Creative mode bypass support for testing.
Admin allow/deny placement policy by block/item IDs.
Optional fuel system (charcoal per placed block ratio). (Experimental)
Configurable max range/radius limits for players.

Admin GUI + Live Config

Admin GUI and commands are permission-gated: blockbuilder.admin.commands.
Edit placement policy, ID lists, fuel settings, and max radius in-game.
New: Edit BlockBuilder tool crafting recipe inputs (Id + Quantity) directly in admin GUI/config.
New: Saving admin config applies recipe updates live in-game (no restart required).

Quality of Life

Per-player persistent settings across relogs.
Shift + right-click air opens the builder GUI.
Detailed missing-material feedback and restricted-ID feedback.
Preview behavior tuned to match actual placement results.

Built for practical large-scale building with server-safe placement behavior.

DISCORD

Project description from CurseForge.

Pick your setup

Block Builder releases for each Hytale build.

Choose the version and loader you play, then open the matching release.

1 available setups

Hytale version

0.5

1 loader build

Hytale target BlockBuilder-1.2.1.jar 2 stable files · 2 total · 4 Aug 2026

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files