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mcp/harbor
Gemini CLI

MSGraph MCP for Gemini CLI

io.github.timfurlong/msgraph-mcp

MCP server for Microsoft Graph: Outlook mail and calendar, plus read-only Microsoft Teams

client:Gemini CLI transport:stdio runtime:pypi

Install MSGraph MCP in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "msgraph-mcp": {
      "command": "uvx",
      "args": [
        "msgraph-mcp-server"
      ],
      "env": {
        "MSGRAPH_MCP_CLIENT_ID": "<MSGRAPH_MCP_CLIENT_ID>",
        "MSGRAPH_MCP_TENANT_ID": "<MSGRAPH_MCP_TENANT_ID>",
        "MSGRAPH_MCP_TOKEN_CACHE_PATH": "<MSGRAPH_MCP_TOKEN_CACHE_PATH>"
      }
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

MSGraph MCP in other clients

MSGraph MCP MCP server