Apple Calendar vs Calendar.app
A side-by-side look at the Apple Calendar and Calendar.app 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 Calendar.app 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 Calendar.app when
- You need dedicated capabilities in the Workplace & Productivity domain.
- You prefer a local stdio subprocess transport.
- You want tools like
list_calendars, list_events, get_event.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Workplace & Productivity | Workplace & Productivity |
| Quality signal | 45/100 · Fair | 53/100 · 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 | 5 | 1 |
| Directory activity | 1 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | Not listed | 7 |
| Full listing | View Apple Calendar | View Calendar.app |
Tools & capabilities
Apple Calendar tools
No tool names declared yet. Check the project README from the listing page.
Calendar.app tools 7
list_calendarsList all calendars with name, color, account, and UUIDlist_eventsList events in a date range, including recurring-event occurrencesget_eventGet full details of a single event by UUID, including attendeessearch_eventsSearch events by text across title, description, and locationcreate_eventCreate a new calendar eventupdate_eventUpdate properties of an existing eventdelete_eventPermanently delete an event
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-2": {
"command": "npx",
"args": [
"-y",
"@mgcrea/mcp-apple-mail"
]
}
}
}
Calendar.app
{
"mcpServers": {
"calendar-app": {
"command": "npx",
"args": [
"-y",
"@p-l-ta/calendar-mcp"
]
}
}
}
Frequently asked questions
Apple Calendar is categorized under Workplace & Productivity and uses a local stdio subprocess. Calendar.app belongs to Workplace & Productivity and uses a local stdio subprocess. Pick Apple Calendar for workplace & productivity work and Calendar.app 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. Calendar.app 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-2 and calendar-app 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 45/100 (Fair) with 1 views, 0 installs and 5 GitHub stars. Calendar.app has 53/100 (Good) with 3 views, 0 installs and 1 GitHub stars.