SimStim for ChatGPT

ai.simstim/mcp

Deploy sims to any screen. Control your displays with Claude.

client:ChatGPT transport:streamable-http

Install SimStim in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://my.simstim.ai/mcp

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