Mariana Outlook vs Klavis AI
Side-by-side comparison of two Model Context Protocol servers. Pick the right one for Claude Desktop, Claude Code, or Cursor.
Gives Claude Code access to Outlook Mail, Calendar, and Contacts via Microsoft Graph, with safety-first defaults (no sending, no hard deletes, every mutation lo
Comparison
| Feature | Mariana Outlook | Klavis AI |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | — |
| Rating | — | — |
| Verified | — | |
| Hosted | — | — |
| Tools | — | — |
| Category | communication | communication |
| Author | marianasmall | Community |
| Repo | marianasmall/mariana-outlook-mcp | — |
When to pick Mariana Outlook
Gives Claude Code access to Outlook Mail, Calendar, and Contacts via Microsoft Graph, with safety-first defaults (no sending, no hard deletes, every mutation logged). Supports multiple Microsoft accounts through a PKCE OAuth flow.
When to pick Klavis AI
Open Source MCP Infra. Hosted MCP servers and MCP clients on Slack and Discord.
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