What is the key difference between Outlook Calendar and Outlook Contacts?

Outlook Calendar belongs to the Communication category with cloud HTTP/SSE execution, while Outlook Contacts belongs to the Communication category with cloud HTTP/SSE execution.

How do I install Outlook Calendar or Outlook Contacts in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Outlook Calendar and Outlook Contacts free or paid?

Outlook Calendar operates under a Free / Open Source model (No auth required). Outlook Contacts operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Outlook Calendar lists 5 tools with 0 views and 1 GitHub stars. Outlook Contacts lists 4 tools with 0 views and 0 GitHub stars.

Can I use both Outlook Calendar and Outlook Contacts together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Outlook Calendar vs Outlook Contacts

In-depth architectural comparison of the Outlook Calendar and Outlook Contacts MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Outlook Calendar

Communication · Remote HTTP/SSE

Quality: 47/100 (Fair) | Auth: No auth required

Outlook Contacts

Communication · Remote HTTP/SSE

Quality: 48/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Outlook Calendar if you need specialized Communication tools running via a hosted cloud SSE transport. Choose Outlook Contacts if your workspace requires Communication integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Outlook Calendar when:

You need dedicated capabilities in the Communication domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: list_events, get_event, list_calendars.

Explore Outlook Calendar Details

Choose Outlook Contacts when:

You need dedicated capabilities in the Communication domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: outlook_list_contacts, outlook_get_contact, outlook_search_people.

Explore Outlook Contacts Details

Feature & Specification Comparison

Specification	O Outlook Calendar Communication	O Outlook Contacts Communication
Summary	Outlook Calendar MCP Pack	Outlook Contacts (Microsoft 365) MCP Pack
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Outlook Calendar Tools (5)

list_events

List upcoming events from the user's Outlook / Microsoft 365 calendar within a time window. Returns subject, start/end times, location, organizer, all-day flag, and online meeting URL for each event. Defaults to the next 7 days. Use to see what meetings or appointments are scheduled.

get_event

Get full details of a single Outlook / Microsoft 365 calendar event by its ID. Returns subject, start/end times, location, organizer, attendees, body, all-day flag, and online meeting URL. Use after list_events to inspect a specific meeting.

list_calendars

List all calendars accessible in the user's Outlook / Microsoft 365 account. Returns each calendar's ID, name, owner, edit permission, and whether it is the default calendar. Use to discover which calendars exist.

find_meeting_times

Return the user's busy time windows from their Outlook / Microsoft 365 calendar over the next N days — a lightweight free/busy view. Each window includes start, end, subject, and all-day flag. Use to find when the user is available or to identify scheduling conflicts before proposing a meeting time.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Outlook Calendar Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "outlook-calendar": {
      "url": "https://pipeworx.io"
    }
  }
}

Outlook Contacts Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "outlook-contacts": {
      "url": "https://pipeworx.io"
    }
  }
}

Frequently Asked Questions

Outlook Calendar is categorized under Communication and uses a remote streaming HTTP/SSE transport. In contrast, Outlook Contacts belongs to Communication using remote streaming HTTP/SSE transport. Select Outlook Calendar when you need capabilities focused on communication and Outlook Contacts when you require tools for communication.

More alternatives to Outlook Calendar More alternatives to Outlook Contacts Communication category hub