calendar MCP servers & tools

MCP server that connects to Microsoft Office and the whole Microsoft 365 suite using Graph API (including Outlook, mail, files, Excel, calendar)

Give AI agents access to Gmail, Calendar, Drive, and more — multi-account, manifest-driven

IMAP/SMTP email MCP server with 42 tools for reading, searching, sending, scheduling, and managing emails across multiple accounts. Supports IMAP IDLE push, AI triage, desktop notifications, and auto-detects providers like Gmail, Outlook, and iCloud.

Mac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files.

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

CalDAV calendar operations (list, create, update, delete events) as MCP tools.

Ask your AI assistant to search your inbox, send emails, schedule meetings, manage contacts, and configure mailbox settings — without leaving the conversation. Works with Claude, Cursor, Windsurf, and any MCP-compatible client.

Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

MCP server for Nextcloud: file management, search, calendar, contacts, and system status.

Skylight Calendar for Claude — family events, chores, and rewards.

Comprehensive Google Workspace MCP server with full support for Google Calendar, Drive, Gmail, and Docs, Forms, Chats, Slides and Sheets over stdio, Streamable HTTP and SSE transports.

An MCP server to interface with the Google Calendar API. Based on TypeScript.

Google Workspace MCP server exposing 23 curated tools for Drive, Sheets, Calendar, Docs, and Gmail via the gws CLI.

NAVER WORKS CLI + MCP server. 26 tools for messages, calendar, drive, mail, tasks, and boards. AI agents can manage NAVER WORKS directly.

All-in-one Feishu/Lark MCP server (84 tools). Send messages as the actual user (not bot), plus full official-API coverage of docs, bitable, wiki, drive, calendar, tasks, OKR. Cookie + OAuth UAT + app-credential auth.

AI-native calendar middleware for scheduling, availability, and conflict-free booking across Google Calendar, Outlook, and CalDAV. 15 tools across 5 layers: temporal context, calendar operations, multi-calendar availability, open scheduling, and Two-Phase Commit booking. Deterministic datetime resolution and RRULE expansion powered by Truth Engine.

Google Workspace MCP servers for AI agents, one per service per account: Gmail, Google Calendar, Google Drive, Google Docs, and Google Sheets. Identity is bound to the running instance, so an agent (Claude, Cursor, or any MCP client) can never act on the

Collection of Google-native tools (Gmail, Calendar, Drive, Tasks) for MCP with OAuth management, automated token refresh, and auto re-authentication capabilities.

Search, read and act on Apple Calendar — ranges, free-time lookup, writes off by default

Integration with gmail and Google Calendar.

Safely schedule Outlook meetings on on-prem Exchange EWS. Resolves attendees, discovers rooms, suggests slots, and requires preview-confirmed create/update/cancel writes with local credential handling and audit-friendly lifecycle records.

Outlook integration with OAuth, message search, batch operations, and calendar management

Outlook / Microsoft 365 for Claude — mail, calendar, contacts and tasks, with confirm-gated sending

Outlook Calendar MCP Pack

Email (IMAP/SMTP), mail filters (Sieve), calendar (CalDAV), contacts (CardDAV), and free/busy scheduling for Open-Xchange and standards-based mail platforms. Published on the official MCP Registry.

Unofficial: Apple Music, iCloud Calendar/Contacts/Mail, Apple Maps and WeatherKit, no Mac needed

Malaysia public holidays, school terms, business days & a leave optimizer (13 tools).

Read and create Apple Calendar events on macOS, and find free time across calendars.

Open protocol for booking and scheduling professional services via AI agents

Instagram creator toolkit MCP with 16 tools: Reels / video / Story / carousel / photo / profile-pic downloaders, Reels-to-MP3 audio extractor, engagement health check + weighted engagement-rate calculator, live hashtag search + 25 curated niches + creator hashtag audit, 900 Reels hook templates by niche and country, 22 Unicode font styles, best-time-to-post for 17 markets (Buffer 2026 verified data), and a 750-date 2026 content calendar with per-market playbooks. Wraps instapdown.com public API — no auth required.

Read, search, draft, send and organize Microsoft Outlook mail via Microsoft Graph, safe by default.

Manage Apple iCloud Calendar through a reliable CalDAV MCP server.

MCP server for Microsoft 365 on the 21Vianet China cloud: mail, calendar, files via delegated Graph.

Date context for agents: Chinese lunar calendar, solar terms, holidays for 12 regions. Offline.