Is Outlook MCP safe and reliable?

Trust score 70/100 (grade B), based on live reachability, verified publisher, maintenance, adoption, transparency and tool quality. See our methodology.

Servers / Developer Tools

Outlook MCP

io.github.littlebearapps/outlook-mcp

Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

Compare Source ↗

Yes, if you run it on your computer.This is a local server: your AI app launches it on your machine (Claude Desktop, Cursor, VS Code, Claude Code). Browser-only apps like ChatGPT on the web can't run it.

Connect it

{
  "mcpServers": {
    "outlook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@littlebearapps/outlook-mcp@3.2.1"
      ],
      "env": {
        "OUTLOOK_CLIENT_ID": "<value>",
        "OUTLOOK_CLIENT_SECRET": "<value>"
      }
    }
  }
}

claude mcp add outlook-mcp -- npx -y @littlebearapps/outlook-mcp@3.2.1

Trust score

Grade B

Transparent, computed daily. How it works

Live reachability18/30

Verified publisher12/20

Maintenance15/15

Track record10/10

Adoption5/15

Transparency10/10

Health

Local servers run on your machine, so there is no public endpoint to monitor.

Status: Local install
Auth: API key
Transport: stdio
Latency: —
Protocol: —
Version: 3.2.1
Publisher: GitHub · littlebearapps
Category: Developer Tools
Stars: 39
npm / week: —
License: MIT
Updated: 2026-03-06
Last check: —

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HTML

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