What does the Minecraft Builder AI generate?

SchemForge turns a text description into a block-based Minecraft structure with a preview and export data. It is designed for architecture, statues, terrain features, and decorative builds rather than organic redstone logic.

Can I try it before paying?

Yes. Every account gets one free build, with the 3D preview, material list, build guide and file downloads (.schem, .litematic, .mcfunction) all included. More builds and stronger models need a credit pack.

Which Minecraft versions and blocks are supported?

The initial release targets modern Java Edition block IDs. Version-aware validation replaces unsupported blocks before export; more version profiles will be added from usage data.

Which file formats can I download?

Every unlocked build includes a Sponge v3 .schem file for WorldEdit and FastAsyncWorldEdit, a .litematic file for Litematica, a .mcfunction file for vanilla command placement, a Bedrock .mcstructure file, and a layer-by-layer build guide with a material list.

How do I write a good Minecraft Builder AI prompt?

Describe one main subject and add its scale, style, preferred materials, biome, and defining features. A focused prompt such as ‘a medium desert watchtower with sandstone walls, a shaded market and copper roof’ is easier to turn into a coherent Minecraft build than a long list of unrelated ideas.

How do I place a downloaded .schem in Minecraft?

Download the .schem file, move it into the schematic folder used by your compatible WorldEdit or Litematica workflow, load it in-game, and paste or project it where you want. Always confirm that your mod or server supports the Minecraft Java version shown on the build.

How do credit packs and credits work?

A credit pack is a one-time purchase. Each build costs credits by model: Gemini Flash 1, Claude Sonnet 3, Claude Opus 6 (XL areas: 4, 10 and 16), and every build comes with its .schem, .litematic and .mcfunction exports. A credit can also unlock the export of your free preview build. Credits never expire, and there is no subscription or automatic renewal.

Are generated builds private and usable commercially?

Builds are private by default. You may use your generated structures in personal worlds, servers, videos, and commercial maps, subject to Minecraft’s usage guidelines.

Does it work on Bedrock Edition?

Yes. Download the .mcstructure file and load it with a structure block or the /structure load command. You can also build any design by hand with the layer-by-layer guide and the material list.

How big can a generated build be?

Regular builds are up to 49 × 49 × 49 blocks: choose small, medium or large, or set an exact width, length and height between 7 and 49. For a full server spawn or lobby, choose the XL area size (beta): 96 × 96 blocks and up to 48 high, for 4 credits.

What happens if a generation fails?

If a build fails, the credit it used is returned automatically, and a failed build does not use up your free build.

Minecraft AI Build Generator: Describe It, Preview in 3D

Describe a castle, house, statue or server spawn. SchemForge, an AI Minecraft build generator, turns it into a block-by-block build you can preview in 3D and export as .schem, .litematic or .mcfunction.

Build brief

A word or a detailed description both work0/2000

AI model

Build size

Your first build is free, downloads included (small or medium, Gemini 3.7 Flash) · credit packs unlock more builds and stronger models

3D Forge View

THE ANVIL IS READY

Your prompt becomes a constrained blueprint, then a validated block model. Drag to inspect every angle before export.

NBT v3Version awareOrbit preview

2,000+ builds generatedJava Edition 1.20.4 – 26.3.schem · .litematic · .mcfunction · BedrockLayer-by-layer build guide

What people build with SchemForge

MINECRAFT BUILD IDEAS TO START FROM

Each card fills the generator above with a tested prompt. Change the details, then forge your own version.

Server spawn & lobby centrepieces
A spawn plaza or lobby hub for an SMP or minigame server, with portals, paths and room for NPCs. Choose the XL area size for a 96 × 96 spawn in one go.
“A medieval fantasy server spawn plaza with a central fountain, four portal arches facing north, east, south and west, stone paths, lanterns and small market stalls”
Castles & fortresses
Gatehouses, keeps, towers and walls with battlements, banners and layered roofs.
“A stone castle gatehouse with two round towers, a portcullis, battlements, red banners and a wooden bridge”
Survival bases & houses
Houses and bases you can build by hand in survival, with a layer-by-layer guide and a full material list.
“A cozy two-storey spruce and cobblestone survival house with a porch, a chimney, glass windows and a small fenced farm plot”
Statues & characters
Statues, creatures and characters for a spawn, a park or a build showcase.
“A giant iron golem statue holding a red poppy, standing on a mossy stone plinth”

Need a plain circle, sphere, dome or pixel art? The free tools draw them instantly:Circle Sphere Dome Pixel art Map art

Forged by the community

AI-GENERATED MINECRAFT SCHEMATICS, READY TO PLACE.

Open the gallery

How to use SchemForge

FROM MINECRAFT IDEA TO PLAYABLE SCHEMATIC

Describe it, inspect it in 3D, then drop the finished build into your world.

01
Describe your Minecraft build
Name the subject, size, style, and a few details. Buildings, characters, vehicles, creatures, and objects all work.
02
Generate a block-aware blueprint
SchemForge plans the silhouette, chooses a matching block palette, and compiles the build into real voxel coordinates.
03
Inspect the real 3D build
Rotate and zoom around the exact model. Check its scale, block count, materials, and overall shape before export.
04
Download and place it
Download it as .schem for WorldEdit, .litematic for Litematica or .mcfunction for a data pack — or follow the layer-by-layer guide to build it by hand in survival.

Build tip

What makes a useful Minecraft build generator?

The preview and download should use the same blocks. Start with one clear subject, add a size and two defining details, then inspect the model before exporting it.

Read the import guide

Export formats

ONE BUILD, FIVE WAYS TO PLACE IT

A schematic is a file that stores every block of a build and where it goes, so a mod or plugin can paste the whole build into your world at once. Every SchemForge build comes in three Java Edition formats, a Bedrock structure file and a guide for building by hand.

.schemWorldEdit · FastAsyncWorldEdit: Sponge v3 schematic. Put it in your WorldEdit schematics folder, load it with //schem load, and paste it with //paste.
.litematicLitematica: Load it as a Litematica placement to see a transparent projection in your world, then build over it block by block in survival.
.mcfunctionVanilla data pack: Plain setblock commands. Add it to a data pack and run it with /function from the lower north-west corner. Needs cheats or operator permission, but no mods.
.mcstructureBedrock Edition: A Bedrock structure file. Import it with a structure block, or put it in a behavior pack and place it with /structure load.
Layer guideSurvival: Every layer as a grid from the ground up, plus a material list in stacks. Use it to build by hand in survival.

How to import a .schem with WorldEdit

Credit packs

BUILD MORE. KEEP EVERYTHING.

Every account gets one free build with downloads included (Gemini 3.7 Flash). Credit packs pay for more builds and stronger models: a build costs 1–6 credits depending on the model, and Claude Opus gives the best results. Pay once, no subscription, credits never expire.

Free

$0one time

1 free build to try

Interactive 3D voxel preview
Full .schem, .litematic & .mcfunction downloads, material list and build guide
Private build history
Browse the community gallery
No card required

Starter

$4.9915 credits · one time

Credits never expire

= 15 Gemini Flash or 2 Claude Opus builds

Full exports on every build
.schem, .litematic, .mcfunction & Bedrock
Full layer-by-layer build guide
Credits never expire
No subscription or auto-renewal

Builder

$9.9940 credits · one time

Credits never expire

= 40 Gemini Flash or 6 Claude Opus builds

Full exports on every build
.schem, .litematic, .mcfunction & Bedrock
Full layer-by-layer build guide
Credits never expire
25% less per credit

Studio

$24.99120 credits · one time

Credits never expire

= 120 Gemini Flash or 20 Claude Opus builds

Full exports on every build
.schem, .litematic, .mcfunction & Bedrock
Full layer-by-layer build guide
Credits never expire
37% less per credit

Prices in USD · secure checkout · credit packs are one-time purchases · credits never expire · no auto-renewal

AI models

PICK YOUR BUILDER MODEL

Every credit pack works with every model. Faster models cost less; Claude Opus gives the best results.

Model	Small – large	XL area
Gemini 3.7 FlashGoogleFree trial Fast all-rounder. Used for the free trial.	1 credit	4 credits
Gemini 3.8 FlashGoogleCredit pack Newer Flash that thinks longer: slightly richer detail.	1 credit	4 credits
Claude Sonnet 5.5AnthropicCredit pack Careful and capable: cleaner structure and detail on complex builds.	3 credits	10 credits
Claude Opus 5.5AnthropicCredit pack Our best model: the richest layouts and cleanest shapes.	6 credits	16 credits