Microsoft 365 Calendar MCP server

by mindstone·io.github.mindstone/mcp-server-microsoft-calendar·v0.2.0

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

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Microsoft 365 Calendar tools

No tool declarations could be read from the package source. They show once the server is installed.

Not scanned yet. New registry listings are scanned within a day of import.

Install directly

Runs npx -y @mindstone/mcp-server-microsoft-calendar on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add mcp-server-microsoft-calendar -- npx -y @mindstone/mcp-server-microsoft-calendar

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Microsoft 365 Calendar: common questions

Is Microsoft 365 Calendar MCP server safe?: Not known yet: the safety scan has not run. New listings are scanned within a few days.
How do I install Microsoft 365 Calendar?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Microsoft 365 Calendar need an API key?: No secret keys are declared. It reads 5 settings from the environment.
Is Microsoft 365 Calendar maintained?: The latest release is v0.2.0.
What can I use instead of Microsoft 365 Calendar?: Servers from other publishers that do the same job: Outlook Assistant MCP server, Outlook MCP server and Outlook MCP server. Compare all Microsoft 365 Calendar alternatives.

Alternatives to Microsoft 365 Calendar

Same job from other publishers: the closest match first, then the best rated.

All Microsoft 365 Calendar alternatives →

Outlook Assistant
Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.
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Growing
A
Outlook MCP
Microsoft Outlook personal accounts: mail, calendar, contacts, to-do, drafts (62 tools).
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A
Outlook
Outlook mail and OneDrive files via Microsoft Graph — read, search, send and organize.
not reviewed
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B
Outlook
Outlook & OneDrive MCP: personal & enterprise tools for mail, calendar, contacts, tasks, files
not reviewed
Growing
A
Outlook
Outlook integration with OAuth, message search, batch operations, and calendar management
not reviewed
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C

Run it through the gateway

Local package. It runs on your machine, not through the gateway.

Rating: —
Safety grade: Pending
Stars: –
Downloads/wk: –
Price: Free
Licence: —
Transport: Local · npm
Version: 0.2.0
Category: Email
Last release: —

Credentials it needs

MS_CLIENT_IDMicrosoft Entra (Azure AD) application client ID
MS_CONFIG_DIRPath to the per-user Microsoft config directory (credentials/, accounts.json)
MS_ACCOUNT_EMAILAccount email when running in multi-account per-instance mode (falls back to the first account in accounts.json)
MS_MCP_PACKAGE_IDLogical package ID surfaced in error responses
MICROSOFT_REQUEST_TIMEOUT_MSOverride the upstream Microsoft Graph request timeout in milliseconds (max 300000 = 5 min)

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