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microsoft365-mcp-server MCP Server

Microsoft 365 via Graph — mail, calendar, contacts, files, Teams, Planner, OneNote, To Do.

microsoft365-mcp-server scores 56 (Fair), with no SPDX license recorded and written in TypeScript. It installs as a local process. It does not declare tools yet. Filed under Productivity. GitHub shows 1 stars. Install configs are generated for 10 clients. Being listed in the registry is not the same as being vendor-official.

by sapientsaiNo licenseTypeScript1 stars
InstallView on GitHub
Trust score
56Fair
Trust score 56 of 100, Fair

Fair trust

56 of 100 from six public signals. Nobody can buy a point.

  • Listed in the official MCP registry.
  • No license recorded.
How we score trust
Scorecard

License, quality and maintenance

How grades work
Trust breakdown

Where the 56 comes from

22 + 20 + 1 + 0 + 10 + 3 = 56. Each factor is capped, so no single signal can carry a listing.

Registry22 / 30

Active in the official MCP registry, plus a known vendor namespace.

Registry: 22 of 30 points.
Maintenance20 / 20

How recently the repository saw a commit or release.

Maintenance: 20 of 20 points.
Popularity1 / 20

GitHub stars and weekly downloads, on a log scale.

Popularity: 1 of 20 points.
License0 / 10

A clear, OSI-style open-source license.

License: 0 of 10 points.
Security10 / 10

Not archived, a secure install path, a pinned version.

Security: 10 of 10 points.
Docs3 / 10

A real summary, a README with depth, listed tools.

Docs: 3 of 10 points.

Install

Pick your client, copy the config, paste it in.

Add to Cursor: microsoft365-mcp-serverInstall in VS Code: microsoft365-mcp-serverInstall in VS Code Insiders: microsoft365-mcp-server

Needs Cursor or VS Code installed on this device. The button opens the app and asks you to confirm before it adds the server.

~/Library/Application Support/Claude/claude_desktop_config.json
{  "mcpServers": {    "sapientsai-microsoft365-mcp-server": {      "command": "npx",      "args": [        "-y",        "microsoft365-mcp-server@1.3.0"      ],      "env": {        "MS365_CLIENT_ID": "",        "MS365_TENANT_ID": "",        "MS365_CLIENT_SECRET": "YOUR_MS365_CLIENT_SECRET",        "MS365_CERT_PATH": "",        "MS365_CERT_PASSWORD": "YOUR_MS365_CERT_PASSWORD",        "MS365_ACCESS_TOKEN": "YOUR_MS365_ACCESS_TOKEN",        "MS365_AUTH_MODE": "",        "MS365_OAUTH_BASE_URL": "",        "MS365_READ_ONLY": "",        "MS365_ENABLED_TOOLS": "",        "MS365_PRESETS": "",        "MS365_ORG_MODE": "",        "TRANSPORT_TYPE": ""      }    }  }}
Install guide

Environment variables

NameRequiredNotes
MS365_CLIENT_IDRequiredAzure AD application (client) ID. Every mode except client-token needs it.
MS365_TENANT_IDOptionalAzure AD tenant ID, or 'common'/'organizations'/'consumers'. Read by certificate, client-secret and oauth-proxy modes.
MS365_CLIENT_SECRETSecretOptionalAzure AD client secret (client-secret mode).
MS365_CERT_PATHOptionalPath to the certificate used by certificate mode.
MS365_CERT_PASSWORDSecretOptionalPassword for the certificate at MS365_CERT_PATH, if it has one.
MS365_ACCESS_TOKENSecretOptionalA Graph access token supplied directly (client-token mode).
MS365_AUTH_MODEOptionalAuth mode: interactive (default), certificate, client-secret, client-token or oauth-proxy.
MS365_OAUTH_BASE_URLOptionalBase URL of the OAuth proxy (oauth-proxy mode).
MS365_READ_ONLYOptionalSet to 'true' to expose read-only tools and refuse every write.
MS365_ENABLED_TOOLSOptionalCase-insensitive regular expression matched against tool names; only matching tools are registered. Not a comma-separated list.
MS365_PRESETSOptionalComma-separated tool presets to enable instead of naming tools individually.
MS365_ORG_MODEOptionalSet to 'true' for organisation-wide (application-permission) behaviour.
TRANSPORT_TYPEOptionalTransport: 'stdio' (the default, and what this npm package is listed as) or 'httpStream' for remote/Docker deployments.

Tools

All capabilities

Tools show up when the registry metadata or the repository README lists them. Public READMEs are read directly. A GitHub token is used only when one is already configured.

About

Microsoft 365 via Graph — mail, calendar, contacts, files, Teams, Planner, OneNote, To Do.

Frequently asked questions

What is microsoft365-mcp-server MCP Server?

Microsoft 365 via Graph — mail, calendar, contacts, files, Teams, Planner, OneNote, To Do.

How do I install microsoft365-mcp-server MCP Server in Claude Desktop, Cursor, or VS Code?

Pick your client in the Install section on this page and copy the generated config into the client's config file. Step-by-step guides: Claude Desktop, Cursor, and VS Code. microsoft365-mcp-server MCP Server runs locally from the npm package microsoft365-mcp-server with the command npx -y microsoft365-mcp-server@1.3.0.

Does microsoft365-mcp-server MCP Server support remote (HTTP) connections?

No remote endpoint is listed for microsoft365-mcp-server MCP Server. It runs locally on your machine over stdio, started by your MCP client.

How is microsoft365-mcp-server MCP Server's trust score calculated?

microsoft365-mcp-server MCP Server scores 56 out of 100 (Fair). The score adds six capped public signals: registry status, maintenance, popularity, license, documentation, and security. Nobody can pay for points. Read the methodology for the full formula.

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