OpenPrefs for ChatGPT

ai.openprefs/openprefs

One place for your preferences, portable across every AI assistant and agent.

client:ChatGPT transport:streamable-http

Install OpenPrefs in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.openprefs.ai

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