ms-365-21v-mcp-server

MCP server · GitHub · ★ 100 · graded 2026-10-19Source linked

MCP gateway for Microsoft 365 operated by 21Vianet — let AI clients use your 21V M365 mail, calendar, OneDrive & SharePoint

No outside reports on file

ms-365-21v-mcp-server is distributed via GitHub (mdwsk88/ms-365-21v-mcp-server); review its source code, dependencies, and requested permissions before use.

Based on public adoption and transparency signals as of Oct 19, 2026. Our opinion, not a code audit or security guarantee.

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What it can access

Local filesNo local folder access notedLOW
Command executionRuns shell or system commandsREVIEW
Network reachConnects to outside service APINOTED
CredentialsNo API token requiredLOW
Package sourceGitHub (mdwsk88/ms-365-21v-mcp-server)PUBLIC

Inferred from this listing’s public package details and description. Check the project’s source before installing.

Install

No npm or PyPI package is listed. Install from source: github.com/mdwsk88/ms-365-21v-mcp-server ↗

All setup options ↓

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About Ms 365 21v MCP Server

Ms 365 21v MCP Server is an MCP server focused on Developer tools and Files & documents: MCP gateway for Microsoft 365 operated by 21Vianet — let AI clients use your 21V M365 mail, calendar, OneDrive & SharePoint.

It is hosted on GitHub at mdwsk88/ms-365-21v-mcp-server (100 GitHub stars). Based on its public metadata, it operates with standard local or API scope without broad shell execution flags noted.

Setup

Check these steps against the project’s own instructions before running anything.

No standalone npm or PyPI package is listed for this MCP server. Clone and inspect the source repository directly:

bash

git clone https://github.com/mdwsk88/ms-365-21v-mcp-server.git

Review the README and source files in https://github.com/mdwsk88/ms-365-21v-mcp-server (opens external site) before running any setup commands.

Why this grade

CC — Moderate risk signals

Signal-based grade (2/7 points): public source code. This reflects adoption and transparency, not a code review.

Popularity and upkeep

27/100

GitHub stars: 100
Listing last refreshed: 2026-10-29

These are public popularity signals, not a maintenance check. Look at the repository’s commit history and open issues.

Security reports

No reports found for this package in our research (last checked 2026-10-29).

Check a specific version →

Risks to watch for

Dependency & version pinning: Distributed via GitHub (mdwsk88/ms-365-21v-mcp-server). Pin an exact release version or commit SHA rather than floating tags so upstream updates are reviewed first.

How to lower the risk

Least-privilege permissions

Give it access only to the specific folders, accounts or projects it needs, never your whole drive or admin account.
Use a separate, limited API key or login just for this tool so you can switch it off without affecting anything else.

Network isolation

Run it on a work computer or sandbox account, not one holding personal or company-sensitive data.
If your IT team can, limit which websites and services it is allowed to contact.

Monitoring

Check its activity history or logs weekly at first, and look at what it changed or sent.
Turn on alerts for new logins or unusual usage on any account it connects to.

Red flags to watch for

It asks for more access than its job requires, or prompts you to paste passwords.
It suddenly updates with new owners, or starts contacting unfamiliar websites.

Questions

How do I install Ms 365 21v MCP Server?

Ms 365 21v MCP Server does not publish a standalone npm or PyPI package. Clone or follow the setup instructions in its source repository at github.com/mdwsk88/ms-365-21v-mcp-server.

Are there security reports about Ms 365 21v MCP Server?

No reports found for this package in our research (last checked 2026-10-29). Ms 365 21v MCP Server currently holds Grade C (Moderate risk signals) based on public adoption and transparency signals. Key risk areas to watch include dependency & version pinning:.

Is Ms 365 21v MCP Server actively maintained?

Ms 365 21v MCP Server has 100 GitHub stars. Our directory data was last refreshed on 2026-10-29. Check recent commit activity, release tags, and open issues at github.com/mdwsk88/ms-365-21v-mcp-server before pinning it in production.

What are alternatives to Ms 365 21v MCP Server?

You can compare Ms 365 21v MCP Server side by side with other Calendar MCP servers in the Related tools section on this page, or use the Compare tool on AgentArmorHQ.

Maintain or use Ms 365 21v MCP Server? Show its live grade in your GitHub README, docs site, or run a check from the terminal before you install.

AgentArmorHQ Risk Grade C for Ms 365 21v MCP Server

GitHub README Markdown:

markdown

[![AgentArmorHQ Risk Grade for Ms 365 21v MCP Server](https://agentarmorhq.com/api/badge/mdwsk88-ms-365-21v-mcp-server)](https://agentarmorhq.com/skills/mdwsk88-ms-365-21v-mcp-server)

HTML embed:

html

<a href="https://agentarmorhq.com/skills/mdwsk88-ms-365-21v-mcp-server"><img src="https://agentarmorhq.com/api/badge/mdwsk88-ms-365-21v-mcp-server" alt="AgentArmorHQ Risk Grade for Ms 365 21v MCP Server" height="20" /></a>

Terminal check:

terminal

curl -fsSL https://agentarmorhq.com/api/cli | node --input-type=module - check "mdwsk88-ms-365-21v-mcp-server"

Share with your security lead

Need sign-off to use ms-365-21v-mcp-server? Copy this note for Slack, a ticket or a pull request.

### AgentArmorHQ Security Review Memo: ms-365-21v-mcp-server
- **Listing URL:** https://agentarmorhq.com/skills/mdwsk88-ms-365-21v-mcp-server
- **Type:** App connector
- **Risk Grade:** Grade C (Moderate risk signals)
- **Outside Security Advisories on File:** 0
- **Public Adoption:** 100 GitHub stars

#### Permission & Blast-Radius Signals
- **Local files:** No local folder access noted
- **Command execution:** Runs shell or system commands
- **Network reach:** Connects to outside service API
- **Credentials:** No API token required
- **Package source:** GitHub (mdwsk88/ms-365-21v-mcp-server)

#### Recommended Hardened Setup
- **Source Repo:** https://github.com/mdwsk88/ms-365-21v-mcp-server
- **Controls:** Pin an exact version in `.mcp.json`, scope access to a single workspace folder, and use a least-privilege read-only token where supported.

_Based on public adoption and transparency signals as of Oct 19, 2026. Our opinion, not a code audit or security guarantee._

Key facts

Type: App connector
Publisher: mdwsk88
Source code: github.com/mdwsk88/ms-365-21v-mcp-server
Est. context load: ~550 tokens / turn (~3 tool schemas, 0.27% of 200k context)
Popularity: 100 GitHub stars
Last updated: 2026-10-29
Last graded: 2026-10-19

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