busabase for ChatGPT

com.busabase/busabase

The system of record for AI agents — open-source (MIT) database where agents and people share data.

client:ChatGPT transport:streamable-http

Install busabase in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://busabase.com/api/mcp

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