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Head to head

M365 Graph MCP vs Microsoft 365 Calendar

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

M365 Graph MCPwork.mcps/m365-graph
C
No reviews yet

Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.

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Microsoft 365 Calendario.github.mindstone/mcp-server-microsoft-calendar
A
No reviews yet

Microsoft 365 Outlook calendar via Graph: list, get, create, update, respond, free/busy.

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Microsoft 365 Calendar (94/100 against 67). M365 Graph MCP is hosted and callable through the gateway; Microsoft 365 Calendar runs on your own machine. Microsoft 365 Calendar has noticeably more public adoption.

 M365 Graph MCPMicrosoft 365 Calendar
User ratingNo reviews yetNo reviews yet
Safety gradeC67/100A94/100
AdoptionNewGrowing
GitHub stars–12
Downloads / week–78
Runs whereHosted (remote)Your machine (local)
Gateway-readyYesNo
Tools—10
Write actions—4
Price per callFreeFree
Licence—NOASSERTION
Last release—2026-09-13
CategoryEmailEmail

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