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BuildGPT

BuildGPT

by Jonas_Jones • Downloads: 0 • Followers: 0
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This mod adds a /buildgpt command that allows the player to place AI generated structures into the world with a customizable prompt.

Setup

An OpenAI Key is required for this mod in order to work.

create a file .openaikey in the config folder or run the /buildbpt command with valid parameters once to generate the file and then place your API Key in there.

The command should now work!

Additionally The API Key requires account credits on OpenAI!

Command

The command has 2 modes:

Bound

/buildgpt bound <x> <y> <z> <x> <y> <z> <prompt> This mode allows the user to set a bounding box outside of which the mod won't place any blocks.

The prompt is directing ChatGPT to generate a structure within those bounds but the mod also has a check after the response, that filters out any blocks outside the bounding box.

Unbound

/buildgpt unbound <x> <y> <z> <prompt> This mode only has a starting point from which the AI will (in most cases) generate the structure towards increasing coordinates.

Of course this is not always the case as ChatGPT can sometimes return funny responses with unexpected behaviour, which is why the bound mode exists and the unbound mode should by used with caution, since placed blocks cannot be undone. During testing, I noticed that structures will usually not exceed a 20x20x20 block cube unless prompted to do otherwhise.

Prompt

There is a predefined prompt in the Mod, meaning that the user is only required to input the building name or description into the <prompt> field of the command, since the mod requires the response to be formatted a certain way.

The prompt can also be overwritten by inputting a custom prompt into the <prompt> field of the command.

All Versions

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Name Game version Platforms Published Downloads Actions
26.2 26.1.x
Fabric Quilt
7mo ago 1
1.21.x
Fabric Quilt
7mo ago 1
1.21.x
Fabric Quilt
7mo ago 1
26.1
Fabric Quilt
7mo ago 1
1.21.x
Fabric Quilt
10mo ago 1
1.21.x 1.20.x 1.19.x +2
Fabric Quilt
last yr. 1
1.21.3
Fabric Quilt
last yr. 1
[1.1.0-26.x] BuildGPT 1.1.0-26.x by Jonas_Jones on Apr 12, 2026
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  • Fixed singlethreaded architecture (removed server freeze when running command)
  • Fixed singlethreaded architecture (removed server freeze when running command)
[1.0.2.1] BuildGPT 1.0.2.1 by Jonas_Jones on Mar 30, 2026
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  • Fixed Issue where the game would crash
[1.0.3] BuildGPT 1.0.3 by Jonas_Jones on Mar 30, 2026
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  • Port to 26.1
  • Fixed Issue that would cause crashes on older Versions of the Mod
[1.0.2] BuildGPT 1.0.2 by Jonas_Jones on Dec 30, 2025
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  • Port to 1.21.11
  • Added Server Log for Error Code 429: Out of Account Credit/Rate Limit reached
[1.0.1] BuildGPT 1.0.1 by Jonas_Jones on Jun 09, 2025
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port to 1.21.5
[1.0.0] BuildGPT 1.0.0 by Jonas_Jones on Nov 19, 2024
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First version of the mod
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