Microsoft MCP Server for Enterprise for ChatGPT

io.github.microsoft/enterprisemcp

Official Microsoft MCP Server to query Microsoft Entra data using natural language

client:ChatGPT transport:streamable-http

Install Microsoft MCP Server for Enterprise in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.svc.cloud.microsoft/enterprise

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