macOS Calendar and Reminders MCP Server
macOS Calendar and Reminders MCP server (29 tools). Native Swift EventKit, iCloud/Google/Exchange.
People who need productivity tools inside Claude, Cursor, VS Code, or another MCP client. The project is written in Swift.
VERIFIED ACTIVE
LAST COMMIT 2026-07-10 · ★ 33 · #115 OF 139 MAINTAINED PRODUCTIVITY · VERIFIED 2026-08-25
MIT · Swift · how we verify → /methodology
01 · Install macOS Calendar and Reminders
before you install - you'll need
Set DEVELOPER_ID, NOTARY_PROFILE before connecting.
Claude Desktop
Settings → Extensions → Install, then select the https://github.com/PsychQuant/che-ical-mcp/releases/download/v1.14.1/che-ical-mcp-1.14.1.mcpb .mcpb bundle02 · Evidence
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
runs as Claude Desktop extension (.mcpb bundle)
license MIT - declared in the repository
registry namespace io.github.PsychQuant is GitHub-verified and matches the repo owner
03 · What macOS Calendar and Reminders can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
Latest releases
v1.15.0 · 2026-07-10
v1.15.0 - parent-chain diagnostics + versioned-host banner signal · 169 - --print-tcc-path prints its execution context. The diagnostic output now ends with the parent process chain (self → … → launchd) plus a…
v1.14.1 · 2026-07-05
Metadata-only patch. No code or tool-surface changes - the binary is functionally identical to v1.14.0 (Developer ID signed + Apple-notarized, status Accepted). · Fixed · Published metadata understated the tool count…
attachments · 2026-07-07
Issue attachments and figures
04 · Who maintains macOS Calendar and Reminders
macOS Calendar and Reminders is maintained by psychquant. We track 2 MCP servers from psychquant - 2 actively maintained, 39 combined GitHub stars, oldest repo from Jan 2026. Full record: all servers from psychquant.
05 · Facts
- repository
- github.com/psychquant/che-ical-mcp
- category
- productivity - ranked #115 of 139 actively-maintained productivity servers as of 2026-08-25.
- release cadence
- 7 releases in the last 90 days (latest 2026-07-10)
- registry
- io.github.PsychQuant/che-ical-mcp (active, first published 2026-07-05 · 2 versions)
- packages
- mcpb:https://github.com/PsychQuant/che-ical-mcp/releases/download/v1.14.1/che-ical-mcp-1.14.1.mcpb
06 · macOS Calendar and Reminders FAQ
What is macOS Calendar and Reminders?
macOS Calendar and Reminders MCP server (29 tools). Native Swift EventKit, iCloud/Google/Exchange.
Is macOS Calendar and Reminders still maintained?
Yes - as of 2026-08-25, its last commit was 2026-07-10 and it shipped 7 releases in the last 90 days. We re-verify nightly.
07 · Alternatives to macOS Calendar and Reminders
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