MCP Comparison · 2026
Gmail vs Microsoft 365 MCP Server
Comparing Gmail and Microsoft 365 as MCP servers? Gmail (manage gmail) is best when sending drafted replies. Microsoft 365 (microsoft 365 access) is best when outlook inbox triage from an agent. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.
Side-by-side specs
Pulled from each MCP's verified fact sheet.
| Gmail | Microsoft 365 | |
|---|---|---|
| Primary function | Manage Gmail | Microsoft 365 access |
| Maintainer | GongRzhe (community) | Softeria |
| Pricing | Free | Open source |
| Setup complexity | Medium · ~15 min | Medium · ~10 min |
| Transport | stdio | stdio, Streamable HTTP |
| Auth model | OAuth 2.1 | OAuth 2.1 |
| License | MIT | MIT |
| Language | JavaScript | TypeScript |
| Latest version | latest | — |
| Compatible clients | Claude, Cursor, Any MCP-compatible client, Google accounts | Claude, Claude Code, Cursor, VS Code, Any MCP-compatible client |
| Last verified | 2026-08-19 | 2026-08-23 |
Which one should you pick?
Decision rubric drawn from each MCP's documented strengths.
Choose Gmail
- Sending drafted replies
- Inbox triage and labelling
- Search across mail
Choose Microsoft 365
- Outlook inbox triage from an agent
- Free-busy lookup across Microsoft 365 calendars
- Reading Teams threads for context
Pick something else if…
- Compliance-bound enterprise (no vendor support)
- Google Workspace stacks
Feature breakdown
Key capabilities each server ships out of the box.
Gmail
- Auto-OAuth with browser launch
- Send, draft, read, search, label tools
- Filter creation + templates
- Batch modify and delete
- MIT, community-maintained
Microsoft 365
- Outlook mail and calendar via Microsoft Graph
- Teams, OneDrive, Excel, OneNote, To Do and contacts
- MSAL device-code authentication
- Read-only mode for safe first runs
- Tool filtering and presets to shrink the tool surface
- Global and 21Vianet (China) cloud endpoints
Install snippets
Open the detail page for ready-to-paste config for every major client.
FAQ
Gmail vs Microsoft 365: which MCP server should I use?
Pick Gmail when sending drafted replies. Pick Microsoft 365 when outlook inbox triage from an agent. Gmail is built for manage gmail, while Microsoft 365 focuses on microsoft 365 access.
Can I run both Gmail and Microsoft 365 together?
Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.
How fresh is this comparison?
Updated for 2026. Gmail's last verification: 2026-08-19. Microsoft 365's last verification: 2026-08-23. We refresh detail-page facts on every catalog rebuild.
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