Squirrel Brain for ChatGPT

com.squirrelbrainapp/squirrel-brain

Give your AI agent a memory and body on your iPhone: set alarms, ring your phone, over MCP.

client:ChatGPT transport:streamable-http

Install Squirrel Brain in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://geczbtsjfbvfukdzdemr.supabase.co/functions/v1/mcp-server

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