O
Outlook Calendar MCP
41
Stack Score
Editorial pick✓ Verified workingMCP server
Outlook Calendar MCP
Outlook + Exchange calendar ops.
Best for
Best for M365 organizations who want AI-driven scheduling on Outlook.
At a glance
- Pricing
- open-source
- Setup time
- 30 minutes
- Learning curve
- moderate
- Last verified
- 5/25/2026
What we love
- ✓Microsoft-maintained
- ✓Critical for M365 orgs
- ✓Room booking exposed
Where it falls short
- −Azure AD setup
- −Some scopes need admin consent
- −API quirks vs Google Calendar
Pricing
✓ Pricing verified Jun 14, 20261 tier
Open-source
$0
perpetual
- ✓MIT
Overview
MCP server for Outlook + Exchange Calendar — event CRUD, free/busy lookup, attendee + room mgmt. Microsoft Graph OAuth.
Key features
- ●Event CRUD
- ●Free/busy lookup
- ●Room + attendee mgmt
- ●Recurring events
- ●Graph OAuth
Best use cases
M365 scheduling
Let Claude operate Outlook Calendar inside an M365 org.
Room booking
Book conference rooms across an org from chat.
Integrations
Similar tools
See all scheduling tools →Asana
86Asana — scheduling tool curated for working operators.
ClickUp
85ClickUp — scheduling tool curated for working operators.
Trello
85Trello — scheduling tool curated for working operators.
Compare side-by-side
Outlook Calendar MCP vs Asana vs ClickUp
Pros, cons, pricing, role-fit — all on one page.
Open comparison
One AI Stack pick every week.
The tool we’d pay for this week, why we’d pay for it, and what we’d skip. No promo spam.