Outlook MCP Server

Item: Outlook MCP Server
Rating: 54
Author: M8ven

Enables reading, sending, and managing Microsoft 365/Outlook emails through MCP tools with OAuth 2.1 authentication.

→ SfdcAnnu/Outlook-MCP-Server · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 17 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.

🔐

You'll be asked for 1 credential: MS_CLIENT_SECRET

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies17 high13 low

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

high@modelcontextprotocol/sdk@1.10.2GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.10.2GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.10.2GHSA-w48q-cv73-mx4w

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

highaxios@1.6.2GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.6.2GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

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

configBASE_URL— /auth/callback (PATH B standalone)

configMS_CLIENT_ID— cp .env.example .env # fill in / MS_CLIENT_SECRET / BASE_URL

🔐 secretMS_CLIENT_SECRET— cp .env.example .env # fill in MS_CLIENT_ID / / BASE_URL

configMS_REDIRECT_URI— MS_TENANT=common, =<BASE_URL>/auth/callback

configMS_TENANT— common, MS_REDIRECT_URI=<BASE_URL>/auth/callback

configPORT

// 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 6 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/sfdcannu-outlook-mcp-server-18agug)](https://m8ven.ai/mcp/sfdcannu-outlook-mcp-server-18agug)

commit: 198bacd54e9414025da0c4e32511993dfb9ad27a

code hash: c6bbb6e5a301cdc32f9c24bf8322f95a16c9987fa9d97886a26e913990af43f2

verified: 7/7/2026, 9:55:54 AM

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