M365 Graph MCP for ChatGPT

work.mcps/m365-graph

Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.

client:ChatGPT transport:streamable-http

Install M365 Graph MCP in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcps.work/mcp

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