Grounders MCP for ChatGPT

io.github.itsbreeze/grounders-mcp

Multiple Google accounts (Gmail, Calendar, Drive, Contacts, Tasks) in one Claude connector.

client:ChatGPT transport:streamable-http

Install Grounders MCP in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.grounders.app/mcp

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