office-outlook-mcp

Name: office-outlook-mcp
Author: chrischall

Community

MCP server by chrischall · updated 4 days ago · ★ 0 · 499 downloads a week

Score 73

Outlook / Microsoft 365 for Claude — triage mail, reply, answer invites and book meetings, confirmed office-outlook-mcp is a community project by chrischall, not verified by a company domain.

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Works withClaude Code Claude Desktop Cursor Codex Gemini CLI VS Code Windsurf Antigravity CLI

Maintenance

Last commit 4 days ago

Licence

No licence found, so reuse rights are unclear

Quality

Clear description, published package or server URL, original repository

Security

No risky patterns in the files we checked

What you need

Setting	Needed	What it is
`OUTLOOK_ACCESS_TOKEN`Environment variable, secret	Optional	Pre-obtained Outlook bearer token. Overrides the browser bridge. Power users / CI only; tokens last about 25 hours.
`OUTLOOK_DISABLE_FETCHPROXY`Environment variable	Optional	Set to '1' to disable browser capture, requiring OUTLOOK_ACCESS_TOKEN.
`OUTLOOK_API_BASE`Environment variable	Optional	Override the Outlook REST base URL. Defaults to https://outlook.office.com/api/v2.0.
`OUTLOOK_WS_PORT`Environment variable	Optional	fetchproxy concentrator port used for token capture. Defaults to 37149, the fleet-wide shared port.
`OUTLOOK_CAPTURE_TIMEOUT`Environment variable	Optional	Seconds to wait for the Outlook tab to make a request we can read a token from. Defaults to 30.
`OUTLOOK_TOKEN_CACHE`Environment variable	Optional	Set to 'false' to stop caching the captured token between runs. Defaults to true.
`OUTLOOK_TOKEN_FILE`Environment variable	Optional	Path to the cached token file. Defaults to ~/.office-outlook-mcp/token.json.
`OUTLOOK_OUTPUT_DIR`Environment variable	Optional	Absolute directory where outlook_export_messages and outlook_export_events write their files. Defaults to ~/Downloads/office-outlook-mcp. When set, a per-call dest must be inside it.
`FETCHPROXY_WS_HOST`Environment variable	Optional	Bind interface for the fetchproxy concentrator, a literal IP only (default 127.0.0.1). Keep on loopback; it exists for hosted deployments that run each MCP in its own network namespace.
`FETCHPROXY_IDENTITY_DIR`Environment variable	Optional	Absolute path where the fetchproxy long-term identity keypair is stored (default ~/.fetchproxy/identity/).
`MCP_CONFIRM_MODE`Environment variable	Optional	What outlook_send_message, outlook_reply, outlook_respond_to_invite and the other write tools do on a client that cannot show a confirmation prompt (claude.ai, Claude Desktop): "ask-user" (default: the first call returns a preview and a con
`MCP_CONFIRM_ELICITATION`Environment variable	Optional	"off" never shows a confirmation prompt, so every client gets the MCP_CONFIRM_MODE flow. Set it for a client that says it can show prompts but never does. Defaults to on.
`MCP_CONFIRM_TTL_SECONDS`Environment variable	Optional	How long a confirmToken stays valid, in seconds. Defaults to 600.
`MCP_CONFIRM_SECRET`Environment variable, secret	Optional	Signing key for confirmTokens. Random per process by default; set it only if tokens must survive a server restart.

From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.

Install office-outlook-mcp

Built from the published package, never by AI

claude mcp add office-outlook-mcp -- npx -y @chrischall/office-outlook-mcp

Run in your terminal. Add --scope user to use it in every project.

Step-by-step: install office-outlook-mcp in Claude Code

{
  "mcpServers": {
    "office-outlook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chrischall/office-outlook-mcp"
      ]
    }
  }
}

Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.

Step-by-step: install office-outlook-mcp in Claude Desktop

{
  "mcpServers": {
    "office-outlook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chrischall/office-outlook-mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

Step-by-step: install office-outlook-mcp in Cursor

{
  "servers": {
    "office-outlook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chrischall/office-outlook-mcp"
      ]
    }
  }
}

Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".

Step-by-step: install office-outlook-mcp in VS Code

codex mcp add office-outlook-mcp -- npx -y @chrischall/office-outlook-mcp

Step-by-step: install office-outlook-mcp in Codex

{
  "mcpServers": {
    "office-outlook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chrischall/office-outlook-mcp"
      ]
    }
  }
}

Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).

Step-by-step: install office-outlook-mcp in Antigravity CLI

gemini mcp add office-outlook-mcp npx -y @chrischall/office-outlook-mcp

Gemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.

Step-by-step: install office-outlook-mcp in Gemini CLI

MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the office-outlook-mcp block.

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Security check

No download-and-run commands, hidden instructions or signs of sending keys out were found.

Checked automatically: README.md, package.json. This looks for known risky patterns and is not a full audit. How grades work

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office-outlook-mcp: common questions

How do I install office-outlook-mcp?

In Claude Code run claude mcp add office-outlook-mcp -- npx -y @chrischall/office-outlook-mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.

Is office-outlook-mcp the official server?

office-outlook-mcp is a community project by chrischall, not verified by a company domain.

Is office-outlook-mcp free?

The code is public, but no licence file was found, so check the repository before commercial use.

Is office-outlook-mcp safe to use?

It scores 73 of 100. Grades: maintenance A, licence F, quality C. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.

What are alternatives to office-outlook-mcp?

Similar MCP servers: Vexa, TradingMCP, Agent-Native Brain, Agent-Native Chat.

Does office-outlook-mcp work with ChatGPT?

Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.