Outlook Assistant MCP Server: Tools, Setup for Claude Code, Cursor & More
Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.
Works in
12 should work
Tap an app to see how to set it up and any known problems.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Client does not support this transport.
Client does not support this transport.
Install Outlook Assistant MCP
Claude Code
- 1
Copy this prompt.
Add the Outlook Assistant MCP server to Claude Code. Run this command: claude mcp add outlook-assistant -- npx -y @littlebearapps/outlook-assistant Then check that it loaded and tell me if I need to sign in or restart.
- 2
Paste it into Claude Code. It shows the change and asks before running it.
Requires Node.js.
Built from the package data we hold. Not yet tested by us.
Tools
We don't list Outlook Assistant MCP's tools here yet. After you connect it, ask your assistant "What can you do with Outlook Assistant MCP?" to see them.
Security advisories
7 advisories
7 known advisories, all fixed in a newer version.
- Graph bearer token sent to arbitrary host via caller-supplied deltaTokenhigh · Fixed in 3.11.2 · GHSA-mqfm-wfjq-jxq2
- Path traversal in attachments download via sender-controlled filenamehigh · Fixed in 3.11.2 · GHSA-755c-c45g-69rv
- Recipient allowlist (OUTLOOK_ALLOWED_RECIPIENTS) bypassed through draft reply/reply-all/send, calendar invitations and multi-address stringsmedium · Fixed in 3.14.0 · GHSA-4f33-42r6-jmmm
- export with an explicit savePath overwrites arbitrary files with email-derived content; outputDir is unconfinedmedium · Fixed in 3.14.0 · GHSA-h97f-q9gv-8hx7
- export with includeAttachments can write files outside outputDirmedium · Fixed in 3.12.0 · GHSA-3qfj-3m24-ffx7
Information
updated Nov 2, 2026
- Publisher
- Community
- Package
@littlebearapps/outlook-assistant- Registry
- npm
- Transport
- stdio
- Version
- 3.14.1
- License
- MIT
- Last commit
- Oct 31, 2026
- Listed in
- Official MCP registry
