Microsoft Outlook MCP

Item: Microsoft Outlook MCP
Rating: 56
Author: M8ven

Enables AI assistants to manage Outlook mail, calendar, and contacts via Microsoft Graph API with secure device code authentication.

→ taddiemason/Microsoft-Outlook-MCP · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configOUTLOOK_CLIENT_ID— Edit .env and set at least and OUTLOOK_TENANT_ID.

configOUTLOOK_SCOPES— Mail/Calendar/Contacts set Space-separated delegated Graph scopes

configOUTLOOK_TENANT_ID— Edit .env and set at least OUTLOOK_CLIENT_ID and .

configOUTLOOK_TOKEN_CACHE_PATH— .token-cache.json Where the token cache is stored

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 7 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/taddiemason-microsoft-outlook-mcp-72kzes)](https://m8ven.ai/mcp/taddiemason-microsoft-outlook-mcp-72kzes)

commit: 31c69f82bde8ab07595ce83613849bf7af9b18f6

code hash: ebfe2711c352b28d44067177afce86207901fa51bb9ecdda4415b91861f5b634

verified: 7/15/2026, 8:44:47 AM

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