UIPrompt for ChatGPT

app.uiprompt/uiprompt

Plan every page of your UI so your coding agent builds exactly that.

client:ChatGPT transport:streamable-http

Install UIPrompt in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://uiprompt.app/api/mcp

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