MCP servers · by job

Calendar & office MCP servers

35 MCP servers that reach calendars, documents and office suites. 8 are SAFE, 14 CAUTION and 13 BLOCK. Ranked by trust score; each card opens the full audit.

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ModelsAtlas. “Calendar & office MCP servers”. Retrieved 29 Oct 2026. https://modelsatlas.com/mcp/topic/productivity/page/2

Verdicts · 35 servers

✓SAFE8!CAUTION14✕BLOCK13

Transports

A server can list more than one transport.

Tool risk

17

servers expose at least one destructive tool: delete, overwrite or run. The median server with a readable tool list exposes 14 tools.

Servers with no destructive tools →

35 calendar & office servers

25–35 of 35 · ranked by trust score, then stars

Apple Events

fradser/mcp-server-apple-events

✕BLOCK D

MCP server providing native macOS integration with Apple Reminders and Calendar via EventKit

★ 2161 writestdio

Apple Reminders

fradser/mcp-server-apple-reminders

✕BLOCK D

MCP server providing native macOS integration with Apple Reminders and Calendar via EventKit

★ 2161 writestdio

Google Workspace

aaronsb/google-workspace-mcp

✕BLOCK D

A Model Context Protocol (MCP) server that provides authenticated access to Google Workspace APIs, offering integrated Authentication, Gmail, Calendar, and Drive functionality

★ 1901 destructivestdio

SmartStudy Agent

humphreysun98/smart-study-agent

✕BLOCK D

The AI study agent that learns how you learn — RL picks the action, FSRS picks the timing, the LLM only writes the quizzes. Chrome extension · Anki export · MCP server · runs on Ollama

★ 581 write

Che ICal

psychquant/che-ical-mcp

✕BLOCK D

macOS Calendar & Reminders MCP server (29 tools) — native Swift EventKit for Claude Desktop & Code. Events + reminders CRUD, recurring, batch ops, conflict & duplicate detection, per-event timezone, undo/redo, #tags, --cli mode, SwiftUI --setup TCC flow, --self-update. Developer-ID signed + notarize

★ 40Not listed in sourcestdio

Outlook

xenoxilus/outlook-mcp

✕BLOCK D

MCP server for Microsoft Office 365 Outlook – email, calendar & SharePoint integration for Claude, ChatGPT, and AI assistants via Microsoft Graph API

★ 262 destructivestdio

opennote

opennote-org/opennote

✕BLOCK D

An AI native notebook app built with pure Rust and GPUI

★ 211 writestreamable-http

cal

Dvorinka/cal

✕BLOCK D

Self-hosted daily toolkit — calendar, tasks, notes, links, files, kanban boards, time tracking, GitHub inbox. One Docker container.

★ 31 read

mcp-google-multi

bakissation/mcp-google-multi

!CAUTION D

Multi-account Google MCP server for Claude Code: Gmail, Drive, Calendar, Sheets, Docs, Contacts, Search Console, and more. ~871 tools with OAuth2 multi-account switching.

★ 1527 destructivestdio

eule-mcp

metaneutrons/eule-mcp

✕BLOCK D

MCP server for office work with mail & calendar (MS365, iCloud, Gmail, IMAP)

★ 07 destructivestdio

Keeper

ridafkih/keeper.sh

✕BLOCK F

Calendar sync tool & universal calendar MCP server. Aggregate, sync and control calendars on Google, Outlook, Office 365, iCloud, CalDAV or ICS.

★ 1,3552 readstreamable-http

Other jobs

By risk

Questions

How do you decide which servers are calendar & office servers?
By the categories each server's own repository declares, mapped onto this job by a hand-kept table. A server can belong to more than one job, and one whose repository declares no matching category is not listed here.
Which calendar & office MCP servers rank highest on trust?
Anki (nailuogg/anki-mcp-server), OpenClaw (freema/openclaw-mcp) and Workspace Automation Suite (tanaikech/toolsformcpserver), by trust score and then stars. Ranking never uses popularity to change a verdict.
How many calendar & office servers only read?
4 of the 35 declare tools that all only read; 17 expose at least one destructive tool.

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