outlook-mcp and MCP-Microsoft-Office

These are competing implementations of a local MCP server that connect to Microsoft Graph for M365 integration.

outlook-mcp
38
Emerging
MCP-Microsoft-Office
38
Emerging
Maintenance 10/25
Adoption 5/25
Maturity 7/25
Community 16/25
Maintenance 10/25
Adoption 7/25
Maturity 7/25
Community 14/25
Stars: 14
Forks: 6
Downloads: —
Commits (30d): 0
Language: JavaScript
License: —
Stars: 37
Forks: 6
Downloads: —
Commits (30d): 0
Language: JavaScript
License: —
No License No Package No Dependents
No License No Package No Dependents

About outlook-mcp

XenoXilus/outlook-mcp

MCP server for Microsoft Office 365 Outlook – email, calendar & SharePoint integration for Claude, ChatGPT, and AI assistants via Microsoft Graph API

About MCP-Microsoft-Office

Aanerud/MCP-Microsoft-Office

an local MCP server you can run on your env, connecting you to Microsoft Graph, and the complete M365 eco system.

Implements a three-tier architecture with a Node.js MCP adapter translating JSON-RPC protocol to HTTP requests, enabling 117 tools across Mail, Calendar, Files, Excel, Word, and PowerPoint with per-user Graph API authentication. Supports multi-user scenarios where each tenant member operates with isolated credentials and real M365 data, splitting functionality across three configurable server instances to work within MCP client tool limits.

Related comparisons

outlook-mcp and teams-mcp outlook-mcp and outlook-assistant outlook-mcp and microsoft-mcp outlook-mcp and lazy-mcirosoft-mcp outlook-mcp and m365-mcp outlook-mcp and teams-mcp

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