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MVSI - Moog's Voyager Structures Integrated

by FinnDog_123

With MVSI installed, Moog's Voyager Structures gains integrated variants that mix in blocks from other mods when those mods are present.

FabricForgeNeoForgeServer-side onlyGNU Lesser General Public License v3.0 onlyOpen source1.20 – 1.21.1

What it does

MVSI is an extension of Moog's Voyager Structures. It replaces the vanilla-block structures from the base mod with versions that incorporate blocks and entities from compatible mods. The structure spawns in the world through template pools, which randomly choose between the available integrated variants and the standard ones, so a world can mix both. Integrated variants only load when their target mods are installed, and the base structures still generate normally without them. MVSI coexists alongside MVS and changes nothing without the base mod present.

Supplementaries Amendments is the only mod supported at this time, with 86 or more integrated structure variants built on its blocks. The author has stated a plan to add support for many more mods in future updates. Almost every structure in the mod has an integrated version, and the gallery tab shows some examples. No configuration is needed, since the integrated variants load once their mods are installed. Both Moog's Voyager Structures and Moog's Structure Lib must be in the mods folder, because the mod depends on them.

The mod is open source under the GNU Lesser General Public License v3.0 only, and public links exist for the source code and the issue tracker. It runs on Fabric, Forge and NeoForge, and the environment is server-side only, so players join without installing anything. Files cover 1.20 – 1.21.1 across four release versions, with the latest file 2.0.1 for 1.21.1.

Key features

  1. Integrated structure variants

    Base structures from Moog's Voyager Structures are reworked with blocks and entities from installed compatible mods.

  2. Random template selection

    Template pools pick between integrated and standard variants at generation, so one world can hold both kinds.

  3. Automatic loading

    Integrated variants load on their own once their target mods are installed, with no configuration needed.

  4. Supplementaries Amendments support

    Current variants use blocks from Supplementaries Amendments, which is the only supported mod for now.

  5. Coexistence with the base mod

    Without Moog's Voyager Structures the mod does nothing, and the vanilla structures keep generating normally.

Compatibility

Latest build for each game version and loader.

1.21.12.0.12.0.12.0.1
1.212.0.12.0.12.0.1
1.20.12.0.02.0.0Not available
1.202.0.02.0.0Not available
ReleaseBetaAlphaNot available

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

Requirements

Dependencies declared by the latest file for each loader.

Required 2

Moog's Structure Lib (moogs_structures)This is a library mod for the Moogs Structure series
Required
MVS - Moog's Voyager Structuresadds 130+ vanilla style structures to your world to bring it alive, using vanilla blocks. Includes dungeons and enemies to fight!
Required

Optional 2

AmendmentsMany changes to vanilla blocks
Optional
SupplementariesVanilla+ additions: Jars, signposts, faucets, weather vanes spring launchers, sconces, planters, lights, decoration and automation
Optional

How it compares

Full comparison

Integrated Villages is a server-side mod for Fabric, Forge and NeoForge covering 1.20.1 – 1.21.1, under All rights reserved and not open source, so it reworks villages rather than the Voyager structures. Integrated Bosses of Mass Destruction is also server-side only, but runs on Forge and NeoForge alone and is under All rights reserved, not open source. First Steps is a client and server mod with an MIT License and covers 1.20 – 26.3.

ModLoadersGame versionsEnvironmentUpdated
MVSI - Moog's Voyager Structures IntegratedFabric, Forge and NeoForge1.20 – 1.21.1Server-side only2026-08-16
Integrated VillagesFabric, Forge and NeoForge1.20.1 – 1.21.1Server-side only2026-05-28
Integrated Bosses of Mass DestructionForge and NeoForge1.20.1 – 1.21.1Server-side only2026-09-19
First StepsFabric, Forge and NeoForge1.20 – 26.3Client and server2026-10-02

Questions

Does MVSI need Moog's Voyager Structures?

Yes. Moog's Voyager Structures is a required dependency, and Moog's Structure Lib is required too. Both must be in the mods folder for MVSI to work.

Does a server need MVSI installed?

Players join without it, since only the server has to run the mod.

Which mods does MVSI integrate with?

Supplementaries Amendments is the only supported mod right now, with 86 or more integrated variants. Supplementaries is listed as an optional dependency.

In the catalog

MVSI - Moog's Voyager Structures Integrated is one of 8,515 World generation mods on ModsFinder, and one of 4,027 World generation mods for Fabric. 32,366 mods support Minecraft 1.21.1.

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What the author says

86+ integrated structure variants using blocks from Supplementaries and Amendments. A companion addon to Moog's Voyager Structures. This mod works on Fabric, Forge and NeoForge.
FinnDog_123, on the Modrinth page

Official listing

Owner
FinnDog_123
Published
2026-05-14
Updated on Modrinth
2026-08-16
Facts verified
2026-10-15

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