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StructureHelper

by Kirosya

StructureHelper gives datapack makers tools for building and editing structures, including NoAI mob handling and structure-air filling.

FabricForgeNeoForgeQuiltServer required, client optionalMIT License1.21.6 – 1.21.8

What it does

Structure makers use the mod to work with structures through a set of helper tools aimed at datapack authors. It covers adding and removing NoAI mobs with a blaze rod, spawning NoAI mobs with the future toggle off, and filling a structure's area with structure air. Server owners and datapack builders install it on the server, and clients need nothing extra. It is published for Fabric, Forge, NeoForge and Quilt, and as a data pack, with builds for 1.21.6 – 1.21.8. The mod is released under the MIT License and is not open source.

Key features

  1. NoAI mob control

    A blaze rod adds and removes NoAI mobs, so builders can place mobs that stand still in a structure.

  2. NoAI spawning

    Mobs can be spawned with NoAI, which the future toggle can switch off again.

  3. Structure air filling

    The area of a structure can be filled with structure air, clearing the space for a new build.

Compatibility

Latest build for each game version and loader.

No stable releases
Every published file is a beta or alpha build.
1.21.81+mod1+mod1+mod1+mod
1.21.71+mod1+mod1+mod1+mod
1.21.61+mod1+mod1+mod1+mod
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Questions

Does StructureHelper need to be on the client?

No. The server must run it, while players may leave it out.

More from Kirosya

All projects

What the author says

Structure Helper aims to help datapack makers with structures with various tools. Spawning mobs with NoAI (in future you can toggle this on and off)
Kirosya, on the Modrinth page

Official listing

Owner
Kirosya
Published
2025-11-21
Updated on Modrinth
2026-04-07
Facts verified
2026-10-15