Contraptify for ChatGPT
io.github.torsviklabs/contraptify
Design redstone machines with your AI and test them tick by tick with Java Edition 26.3 rules.
client:ChatGPT
transport:streamable-http
tools:5
Install Contraptify in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.contraptify.com/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs