# Microsoft 365 Mail (npm · @mindstone/mcp-server-microsoft-mail)

Microsoft 365 Outlook mail via Graph: read, search, send, reply, forward, draft, move, delete.

- Trust score: 70/100 (medium)
- Change this week: +24
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-04

## Components

- npm · `@mindstone/mcp-server-microsoft-mail`: 70/100 (this document), [markdown](https://verifymcp.io/servers/mindstone-mcp-server-microsoft-mail/mindstone-mcp-server-microsoft-mail.md), [page](https://verifymcp.io/servers/mindstone-mcp-server-microsoft-mail/mindstone-mcp-server-microsoft-mail)

## Channel facts

- Registry: `npm`
- Package: `@mindstone/mcp-server-microsoft-mail`
- Version: `0.2.0`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-04.

- **Supply Chain Security**: 83/100
  - No malware found by supply-chain analysis.
  - CVE check failed: a known medium-severity CVE affects hono 4.12.33, reached via @modelcontextprotocol/sdk > hono. A fixed version is available.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (105 of 109), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 84/100
  - Source repository is publicly reachable at the declared URL.
  - Cryptographically verified build provenance (signed, bound to mindstone/mcp-servers).
  - License check failed: the license (FSL-1.1-MIT) isn't a recognized OSI-approved license.
  - Actively maintained (last published 5 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 45/100
  - 0% of prompts and resources have a non-trivial description (not blank, and not just the item's name).
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 949 tokens (~67/item across 14 items; 13 tools + 1 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add mindstone-mcp-server-microsoft-mail -- npx -y @mindstone/mcp-server-microsoft-mail
```

### Codex

```bash
codex mcp add mindstone-mcp-server-microsoft-mail -- npx -y @mindstone/mcp-server-microsoft-mail
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "mindstone-mcp-server-microsoft-mail": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@mindstone/mcp-server-microsoft-mail"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add mindstone-mcp-server-microsoft-mail --command npx --arg -y --arg @mindstone/mcp-server-microsoft-mail
```

### Hermes

```yaml
mcp_servers:
  mindstone-mcp-server-microsoft-mail:
    command: "npx"
    args: ["-y", "@mindstone/mcp-server-microsoft-mail"]
```

### Other

```json
{
  "mcpServers": {
    "mindstone-mcp-server-microsoft-mail": {
      "command": "npx",
      "args": [
        "-y",
        "@mindstone/mcp-server-microsoft-mail"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-04 (score 70, 0)

- [security regression] CVE-2026-69207 affects this package: medium
- [security regression] Known CVEs: partial → fail

### 2026-08-02 (score 70, +51)

- [security improvement] Install scripts: unverified → pass
- [security improvement] Provenance: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Malware scan: unverified → pass
- [security] The attested source repository moved: mindstone/mcp-servers
- [functional regression] License: unverified → fail
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] Stability: unverified → 0.20
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Schema quality: unverified → good
- [functional] Licence: FSL-1.1-MIT

### 2026-08-01 (score 19, +14)

- [functional regression] Schema quality: 830 → 949
- [functional improvement] Tool coverage: unverified → 100
- [functional improvement] Schema quality: unverified → 0
- [functional] Package version: 0.1.2 → 0.2.0

### 2026-07-31 (score 5, −1)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 6, −40)

- [security regression] Malware scan: pass → unverified
- [functional regression] Tool coverage: 100 → unverified
- [functional] First check of Schema quality: unverified
- [functional] Package version: 0.1.2 → 0.2.0

### 2026-07-27 (score 46)

First indexed and scored.

## MCP tools (13)

### `authenticate_microsoft_account` (~94 tokens)

Connect a Microsoft 365 account to enable email, calendar, files, and Teams access.

Call this tool when:
1\. Other Microsoft tools return authentication errors
2\. The user asks to connect or set up Microsoft 365

This tool returns a structured auth_required response. The host will
recognise it and dispatch the desktop OAuth flow. After the user completes
sign-in, Microsoft 365 tools become available.

### `list_emails` (~122 tokens)

List emails from inbox or a specific folder. Returns subject, sender, date, and preview.

Input parameters:

- `filter` (string): OData filter expression (e.g., "isRead eq false")
- `folder` (string): Well-known folder name (inbox, sentitems, drafts, deleteditems, junkemail, archive, outbox), display name (e.g. "Sent Items"), or folder ID from list_folders. Default: Inbox.
- `top` (number): Number of emails to return (default: 25, max: 100)

### `get_email` (~28 tokens)

Get full email content including body by message ID.

Input parameters:

- `id` (string): Email message ID

### `send_email` (~101 tokens)

Send a new email message. "to" and "cc" accept a string or an array of strings. Prefer arrays for multiple recipients (e.g. ["alice@example.com"]).

Input parameters:

- `body` (string): Email body (HTML supported)
- `cc`: CC recipient(s)
- `importance` (string): Email importance
- `subject` (string): Email subject
- `to`: Recipient email address(es). Use an array: ["alice@example.com"]

### `compose_email` (~114 tokens)

Open an inline editable email compose form before sending. Use this when the user wants to write or send an email, so they can review and edit the draft first. Do NOT use when the user asks to save a draft (use create_draft). This tool does not send the email directly.

Input parameters:

- `body` (string, required): Email body
- `cc` (array): CC recipient(s)
- `subject` (string, required): Email subject
- `to` (array, required): Recipient email address(es), e.g. ["alice@example.com"]

### `search_emails` (~52 tokens)

Search emails using Microsoft Search query syntax.

Input parameters:

- `query` (string): Search query (e.g., "from:john subject:meeting")
- `top` (number): Number of results (default: 25)

### `reply_to_email` (~54 tokens)

Reply to an email message.

Input parameters:

- `body` (string): Reply body (HTML supported)
- `id` (string): Original email message ID
- `replyAll` (boolean): Reply to all recipients (default: false)

### `forward_email` (~49 tokens)

Forward an email to other recipients.

Input parameters:

- `comment` (string): Optional comment to add
- `id` (string): Email message ID to forward
- `to`: Recipient(s) to forward to

### `delete_email` (~45 tokens)

Delete or move an email to trash.

Input parameters:

- `id` (string): Email message ID
- `permanent` (boolean): Permanently delete (default: false, moves to Deleted Items)

### `list_folders` (~52 tokens)

List mail folders (Inbox, Sent, Drafts, etc.). Returns folder IDs that can be used with list_emails and move_email.

Input parameters:

- `includeHidden` (boolean): Include hidden folders (default: false)

### `move_email` (~68 tokens)

Move an email to a different folder.

Input parameters:

- `destinationFolder` (string): Well-known folder name (inbox, sentitems, drafts, deleteditems, junkemail, archive, outbox), display name, or folder ID from list_folders
- `id` (string): Email message ID

### `create_reply_draft` (~92 tokens)

Create a draft reply to an existing email, threaded in the same conversation. The draft is saved in Drafts and can be reviewed in Outlook before sending.

Input parameters:

- `body` (string): Reply body (HTML supported). If omitted, creates a blank reply draft.
- `id` (string): Original email message ID to reply to
- `replyAll` (boolean): Reply to all recipients (default: false)

### `create_draft` (~73 tokens)

Create a new standalone draft email (saved but not sent). For replying to an existing thread, use create_reply_draft instead.

Input parameters:

- `body` (string): Email body (HTML supported)
- `cc`: CC recipient(s)
- `subject` (string): Email subject
- `to`: Recipient email address(es)

## Diagnostics

Captured diagnostic sections: Provenance, Vulnerabilities, Dependencies. The full working is on the page: https://verifymcp.io/servers/mindstone-mcp-server-microsoft-mail/mindstone-mcp-server-microsoft-mail#diagnostics

## Score history

- 2026-08-04: 70
- 2026-08-03: 70
- 2026-08-02: 70
- 2026-08-01: 19
- 2026-07-31: 5
- 2026-07-30: 6
- 2026-07-28: 46
- 2026-07-27: 46

## Links

- npm package: https://www.npmjs.com/package/@mindstone/mcp-server-microsoft-mail
- Socket report: https://socket.dev/npm/package/@mindstone/mcp-server-microsoft-mail
- Repository: https://github.com/mindstone/mcp-servers
- Changelog RSS feed: https://verifymcp.io/servers/mindstone-mcp-server-microsoft-mail/mindstone-mcp-server-microsoft-mail/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/mindstone-mcp-server-microsoft-mail/mindstone-mcp-server-microsoft-mail/changelog.json
- HTML version of this page: https://verifymcp.io/servers/mindstone-mcp-server-microsoft-mail/mindstone-mcp-server-microsoft-mail