Apple Calendar vs Outlook Calendar
A side-by-side look at the Apple Calendar and Outlook Calendar MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Apple Calendar for workplace & productivity work as a local process; choose Outlook Calendar for workplace & productivity as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Apple Calendar when
- You need dedicated capabilities in the Workplace & Productivity domain.
- You prefer a local stdio subprocess transport.
Choose Outlook Calendar when
- You need dedicated capabilities in the Workplace & Productivity domain.
- You prefer a local stdio subprocess transport.
- You want tools like
list_events, get_event, list_calendars.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Workplace & Productivity | Workplace & Productivity |
| Quality signal | 43/100 · Fair | 56/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 2 | 1 |
| Directory activity | 2 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | Not listed | 5 |
| Full listing | View Apple Calendar | View Outlook Calendar |
Tools & capabilities
Apple Calendar tools
No tool names declared yet. Check the project README from the listing page.
Outlook Calendar tools 5
list_eventsList 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.get_eventGet 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.list_calendarsList 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_timesReturn 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.get_profileGet 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.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Apple Calendar
{
"mcpServers": {
"apple-calendar-3": {
"command": "npx",
"args": [
"-y",
"@redpop/apple-calendar-mcp"
]
}
}
}
Outlook Calendar
{
"mcpServers": {
"outlook-calendar": {
"command": "npx",
"args": [
"-y",
"@pipeworx/mcp-outlook-calendar"
]
}
}
}
Frequently asked questions
Apple Calendar is categorized under Workplace & Productivity and uses a local stdio subprocess. Outlook Calendar belongs to Workplace & Productivity and uses a local stdio subprocess. Pick Apple Calendar for workplace & productivity work and Outlook Calendar for workplace & productivity.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Apple Calendar has no declared pricing — check the project's own site. Outlook Calendar has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add apple-calendar-3 and outlook-calendar as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Apple Calendar has a quality signal of 43/100 (Fair) with 2 views, 0 installs and 2 GitHub stars. Outlook Calendar has 56/100 (Good) with 3 views, 0 installs and 1 GitHub stars.