Connect · 3 minutes

Add it to your assistant

Make models from the chat or coding tool you already use. Same account, same library, same credits.

1Open Plugins → Add custom MCP server

ChatGPT Plugins page with the Add menu open: Create plugin, Upload plugin archive, Add custom MCP server.

Go to chatgpt.com/plugins, click Add, then Add custom MCP server.

2Paste the address

Add custom MCP server form filled in: Name Creations3D, a short description, Connection set to Server URL with https://creations3d.com/mcp, Authentication OAuth.

Name it Creations3D. Under Connection keep Server URL and paste the address below.

3Create and sign in

Bottom of the form: the custom MCP server risk notice, I understand and want to continue ticked, and the Create as a plugin button.

Keep OAuth, tick I understand and want to continue and click Create as a plugin. Then click Connect Creations3D, sign in with your Creations3D email and click Allow access.

Connector address https://creations3d.com/mcp

Start a new chat, type @ and pick Creations3D. On a work plan your admin may need to allow custom servers.

Signing in

ChatGPT dialog titled Connect Creations3D with a Connect Creations3D button. — Click Connect Creations3D

Creations3D sign-in page with an email field, Continue with email and Continue with Google. — Sign in with your Creations3D email

Creations3D page asking to let ChatGPT access your account, with the Allow access button. — Click Allow access

Using it

New ChatGPT chat after typing @: the plugin list shows Creations3D, Make real-size 3D models (GLB, STL, 3MF). — Type @ and pick Creations3D

ChatGPT answering How many Creations3D credits do I have? with the account balance and the credit cost of each kind of model. — Ask it anything, like your credit balance

Try this first Make a low-poly sci-fi crate for my game, about 60 cm.

Official guide ChatGPT: connect a custom MCP server ↗ ChatGPT help: developer mode ↗

Everything the website does

Your assistant can do everything you can do on the web, and the models it makes appear in your library.

create_model get_model wait_for_models list_models export_model account

How it works In an assistant, your description goes straight to a 3D model, which uses credits (there is no preview picture step). If you don't have a plan yet, the assistant points you to your Creations3D account to start the $1, 7-day trial. How to make your first model in Claude · Load the GLB in three.js · Make an STL for 3D printing in ChatGPT

Account You'll sign in during setup. No API key needed for Claude, ChatGPT, Claude Code, Codex or Cursor.