Outlook MCP is an MCP server that MCP server for Claude to access Outlook data via Microsoft Graph API. Its tool list has not been published yet over stdio and sse, requires no API key, and scores 52/100 on MCPpedia's security, maintenance and efficiency rubric.
Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"m365-assistant": {
"env": {
"USE_TEST_MODE": "false",
"OUTLOOK_CLIENT_ID": "your-client-id",
"OUTLOOK_CLIENT_SECRET": "your-client-secret"
},
"args": [
"/path/to/outlook-mcp/index.js"
],
"command": "node"
}
}
}Are you the author?
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[](https://mcppedia.org/s/outlook-mcp)
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What Outlook Mcp does
A comprehensive MCP (Model Context Protocol) server that connects Claude with Microsoft 365 services through the Microsoft Graph API and Power Automate API.
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y 'kill-port' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
52/100across 5 weighted dimensions
0255075100
16
12
14
10
−48
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.dev1 open1 fixed
MAL-2025-191116info
Malicious code in kill-port (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (da8762d3a240cbf5a33e4b613b2ea601d5515824da362b82eed4b5095baa7b8c) The package kill-port was found to contain malicious code. ## Source: ghsa-malware (12e6ea3a28f8e792e2cac11bd7aa1651eed2f77b6468a8d9aa43567dc9e95bbd) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different comp
CVE-2019-5414high · fixedCVSS 8.1
Command Injection in kill-port
Versions of `kill-port` prior to 1.3.2 are vulnerable to Command Injection. The package does not validate user input on the `kill` function. This may allow attackers to run arbitrary commands in the system if user input (such as the port number) is passed directly to the function. ## Recommendation Upgrade to version 1.3.2 or later.
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Frequently Asked Questions
- Is Outlook Mcp safe to use?
- Outlook Mcp has 1 known CVE tracked by MCPpedia. You can verify these on OSV.dev by searching for "kill-port". Review the Security section above for details before installing.
- How do I install Outlook Mcp?
- Outlook Mcp supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What AI clients work with Outlook Mcp?
- Outlook Mcp is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse transport.
- Is Outlook Mcp actively maintained?
- Outlook Mcp is less actively maintained — last commit was 147 days ago. It has 431 GitHub stars.
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