# Outlook Calendar (npm · @pipeworx/mcp-outlook-calendar)

Outlook Calendar MCP Pack

- Trust score: 85/100 (high trust)
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-04

## Components

- remote · `gateway.pipeworx.io`: 77/100, [markdown](https://verifymcp.io/servers/pipeworx-io-outlook-calendar/outlook-calendar-mcp.md), [page](https://verifymcp.io/servers/pipeworx-io-outlook-calendar/outlook-calendar-mcp)
- npm · `@pipeworx/mcp-outlook-calendar`: 85/100 (this document), [markdown](https://verifymcp.io/servers/pipeworx-io-outlook-calendar/pipeworx-mcp-outlook-calendar.md), [page](https://verifymcp.io/servers/pipeworx-io-outlook-calendar/pipeworx-mcp-outlook-calendar)

## Channel facts

- Registry: `npm`
- Package: `@pipeworx/mcp-outlook-calendar`
- Version: `0.2.1`
- 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 2026-11-04.

- **Supply Chain Security**: 100/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - No install/post-install scripts declared.
  - No production dependencies, so there is no dependency health to assess.
- **Provenance & Transparency**: 97/100
  - Source repository is publicly reachable at the declared URL.
  - Cryptographically verified build provenance (signed, bound to pipeworx-io/mcp-outlook-calendar).
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 0 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 80/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 466 tokens (~93/item across 5 items; 5 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 20/100
  - Stability observed for 6 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.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 5 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 6 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### How do I install the Outlook Calendar MCP server?

Outlook Calendar runs locally as an npm package, launched with npx -y @pipeworx/mcp-outlook-calendar. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add pipeworx-io-outlook-calendar -- npx -y @pipeworx/mcp-outlook-calendar
```

### Cursor

```json
{
  "mcpServers": {
    "pipeworx-io-outlook-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-outlook-calendar"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "pipeworx-io-outlook-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-outlook-calendar"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add pipeworx-io-outlook-calendar -- npx -y @pipeworx/mcp-outlook-calendar
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "pipeworx-io-outlook-calendar": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@pipeworx/mcp-outlook-calendar"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add pipeworx-io-outlook-calendar --command npx --arg -y --arg @pipeworx/mcp-outlook-calendar
```

### Hermes

```yaml
mcp_servers:
  pipeworx-io-outlook-calendar:
    command: "npx"
    args: ["-y", "@pipeworx/mcp-outlook-calendar"]
```

### Netclaw

```json
{
  "McpServers": {
    "pipeworx-io-outlook-calendar": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "@pipeworx/mcp-outlook-calendar"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add pipeworx-io-outlook-calendar -t stdio -c npx -a -y @pipeworx/mcp-outlook-calendar
```

### Other

```json
{
  "mcpServers": {
    "pipeworx-io-outlook-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-outlook-calendar"
      ]
    }
  }
}
```

## 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.

### 2026-11-04 (score 85, +1)

- [functional] Package version: 0.2.0 → 0.2.1

### 2026-11-02 (score 84, +1)

No change was recorded against any check on this day. Stability & Change Management went from 10 to 13. That category is still filling its 30-day observation window: 3 days of observed history at the previous scan, 4 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-31 (score 83, +1)

No change was recorded against any check on this day. Stability & Change Management went from 3 to 7. That category is still filling its 30-day observation window: 1 days of observed history at the previous scan, 2 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-29 (score 82)

First indexed and scored.

## MCP tools (5)

### `list_events` (~155 tokens)

List upcoming events from the user's Outlook / Microsoft 365 calendar within a time window. Returns subject, start/end times, location, organizer, all-day flag, and online meeting URL for each event. Defaults to the next 7 days. Use to see what meetings or appointments are scheduled.

Input parameters:

- `end` (string): End of the window as an ISO 8601 datetime. Defaults to 7 days from now.
- `start` (string): Start of the window as an ISO 8601 datetime (e.g., "2026-06-02T00:00:00Z"). Defaults to the current time.
- `top` (number): Maximum number of events to return (default 50, max 100).

### `get_event` (~73 tokens)

Get full details of a single Outlook / Microsoft 365 calendar event by its ID. Returns subject, start/end times, location, organizer, attendees, body, all-day flag, and online meeting URL. Use after list_events to inspect a specific meeting.

Input parameters:

- `id` (string, required): The Microsoft Graph event ID to retrieve.

### `list_calendars` (~52 tokens)

List all calendars accessible in the user's Outlook / Microsoft 365 account. Returns each calendar's ID, name, owner, edit permission, and whether it is the default calendar. Use to discover which calendars exist.

### `find_meeting_times` (~92 tokens)

Return the user's busy time windows from their Outlook / Microsoft 365 calendar over the next N days — a lightweight free/busy view. Each window includes start, end, subject, and all-day flag. Use to find when the user is available or to identify scheduling conflicts before proposing a meeting time.

Input parameters:

- `days_ahead` (number): How many days ahead to scan for busy windows (default 7).

### `get_profile` (~41 tokens)

Get the signed-in user's Microsoft 365 / Outlook profile: display name, primary email (mail), and user principal name. Use to confirm whose calendar is connected.

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/pipeworx-io-outlook-calendar/pipeworx-mcp-outlook-calendar#diagnostics

## Score history

- 2026-11-04: 85
- 2026-11-03: 84
- 2026-11-02: 84
- 2026-11-01: 83
- 2026-10-31: 83
- 2026-10-30: 82
- 2026-10-29: 82

## Common questions

### What is the Outlook Calendar MCP server?

Outlook Calendar is an MCP server listed in the public MCP registry as io.github.pipeworx-io/outlook-calendar. Outlook Calendar MCP Pack. This page covers its npm package (@pipeworx/mcp-outlook-calendar).

### Is the Outlook Calendar MCP server safe to use?

Outlook Calendar scores 85 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 4 November 2026. It declares no install or post-install scripts. Its build provenance is signed and verified. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the Outlook Calendar MCP server expose?

Outlook Calendar exposes 5 tools: list_events, get_event, list_calendars, find_meeting_times, get_profile. Their descriptions and schemas cost roughly 413 tokens of context every time the server is loaded.

### Is the Outlook Calendar MCP server still maintained?

Outlook Calendar is still listed as active in the MCP registry. We last reached this channel on 4 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the Outlook Calendar MCP server under?

Outlook Calendar declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/@pipeworx/mcp-outlook-calendar
- Socket report: https://socket.dev/npm/package/@pipeworx/mcp-outlook-calendar
- Repository: https://github.com/pipeworx-io/mcp-outlook-calendar
- Website: https://pipeworx.io/packs/outlook-calendar
- Changelog RSS feed: https://verifymcp.io/servers/pipeworx-io-outlook-calendar/pipeworx-mcp-outlook-calendar.xml
- Changelog JSON feed: https://verifymcp.io/servers/pipeworx-io-outlook-calendar/pipeworx-mcp-outlook-calendar.json
- HTML version of this page: https://verifymcp.io/servers/pipeworx-io-outlook-calendar/pipeworx-mcp-outlook-calendar