Summer Engine for ChatGPT

io.github.summerengine/summer

The game engine built for AI. Any agent makes a multiplayer game and publishes it.

client:ChatGPT transport:streamable-http runtime:npm

Install Summer Engine in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.summerengine.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs