34 #calendar MCP Servers & Clients

Outlook Calendar MCP Tool

merajmehrabi

A Model Context Protocol (MCP) server that allows Claude to access and manage your local Microsfot Outlook calendar (Windows only).

Google Workspace MCP Server

epaproditus

A Model Context Protocol server for Google Workspace integration (Gmail and Calendar)

calendar-mcp-server

menma-at-here

MCP server to get google calendar

中文万年历 MCP 服务。支持公农历转换、二十四节气、法定节假日、黄历宜忌、八字五行、黄道吉日查询，共 9 个工具，直接接入 Claude/Cursor 使用。

First Light

anytime-sync

AI-native task manager with native MCP server. Let Claude or any MCP client read, create, update, complete, and reschedule your tasks directly — no copy-pasting. Includes semantic search, daily planning, habit tracking, and weekly reviews. Free tier available.

Japanese calendar data API for AI agents. Provides Rokuyo, Rekichu (13 types), Kanshi, 24 Sekki, and fortune judgments for 8 categories (wedding, business, moving, etc.). MCP + REST API.

PlugRail Japanese Calendar

plugrail

Japanese holiday and business-day calculations using official Japan Cabinet Office data.

Konbu

krtw00

A self-hostable all-in-one planner combining calendar, notes, todos, and bookmarks. Built-in MCP server lets Claude Desktop, Cursor, and any MCP client operate your personal data via natural language. Single Go binary, MIT licensed.

Calendar AutoAuth MCP Server

MCP-Mirror

Mirror of

Outlook Mail + Calendar + OneDrive + Sharepoint

Norcim133

This MCP server gives Claude Desktop access to your Microsoft 365 mail and Calendar, OneDrive, and Sharepoint using the Microsoft Graph API.

MCP Desktop - Microsoft Cloud Platform Desktop Client

Aanerud

an local MCP server you can run on your env, connecting you to Microsoft Graph, and the complete M365 eco system.

Outlook MCP

littlebearapps

MCP server for Microsoft Outlook via Graph API. 20 consolidated tools for email, calendar, contacts, folders, rules, categories, settings, and shared mailboxes. Safety controls include dry-run preview, rate limiting, and recipient allowlists.

Temporal Cortex is a Model Context Protocol server that gives AI agents deterministic calendar capabilities — temporal context, datetime resolution, multi-calendar availability merging across Google Calendar, Microsoft Outlook, and CalDAV, and conflict-free booking with Two-Phase

Knit MCP

knitapi

Knit MCP is Knit’s remote MCP server offering that allows you to create and package your own mcp servers that you can plug into your AI assistants to directly execute real-world tasks like:

Simosphere Ai · Governed Access For Microsoft 365

SIMOSphereOS

AI Governance Infrastructure for Microsoft 365. 24 MCP tools with policy enforcement, Need-to-Know compliance filter, revision-safe audit trail, and per-resource scope control. Deployed in your own Azure tenant — your data never leaves. DSGVO-first, EU AI Act ready.

China Festival Mcp

Eis4TY

一个基于模型上下文协议（MCP）的中国节假日和农历信息服务器，为AI助手提供准确的法定节假日、调休安排、中国传统节日、农历转换、二十四节气和八字计算功能。西方节日都是固定公历日期，不需要查询工具。

Telugu Panchangam

socraticsurge

Hindu almanac (panchangam) calculations as MCP tools: tithi, nakshatra, muhurta windows, 30+ named festivals, tarabalam good-day finding for up to four people, gochara transit verdicts, and a deterministic daily rasi phalalu. Swiss Ephemeris precision, every rule verified against

Convo

itsconvo

Access your meetings, transcripts, summaries, and action items from Convo, an AI meeting assistant. Cross-meeting intelligence: prepare for calls with past context, get weekly digests, and track action items across all meetings. Works before, during, and after your meetings.

Local MCP (LMCP)

lanchuske

143 local tools for Claude, Cursor & ChatGPT — Mail, iMessage, Microsoft Teams, Slack, WhatsApp, Calendar, OneDrive, Outlook, OmniFocus, Notes, Finder and Office docs. 100% local, no API keys. Reaches what cloud connectors can't. Mac + Windows.

AI scheduling assistant for agents. Timezone conversion, public holidays for 100+ countries, business hours checker, multi-timezone meeting slot finder, and Google Calendar event creation. x402 native — pay $0.01 per call, no signup needed. Works with Claude, ChatGPT, Cursor and

Kalendis is a scheduling backend API that provides an MCP server for generating TypeScript clients and framework-specific

DialogBrain

saloprj

Unified inbox MCP for WhatsApp, Telegram, Email, voice — read/send messages, search conversations, manage contacts, query knowledge graph, and trigger AI agents through natural language.

Airmcp

heznpc

AirMCP connects AI to the entire Apple ecosystem on macOS. 253 tools across

MCP server for https://tradingeconomics.com/calendar

Synced Calendar

awasero

AI-powered meeting scheduling via MCP. Let Claude check your calendar, find mutual availability across companies, and book meetings — all through natural conversation. 6 tools: get_meetings, get_contacts, get_availability, schedule_meeting, get_recommended_slots, natural_language

MCP Server for Slotix - AI-powered appointment management. Manage appointments, clients, availability and send notifications through Claude Desktop or ChatGPT.

Intentions.me

intentions-me

Intentions gives your AI assistant a personalized timing layer through MCP.

Calendar MCP Server

MCP-Mirror

Mirror of

EWS Meeting MCP

ap311036

Safely schedule Outlook meetings on on-prem Exchange EWS with room-aware slot suggestions, local credentials, preview-confirmed writes, and audit-friendly lifecycle records.

CalendarMCP

Full-Vibe

Hosted Google Calendar MCP server. Connect any AI agent to Google Calendar in about two minutes. No self-hosting, no Docker, no credentials.json. 10 tools including batch update, multi-account-one-key, and Google Advanced Protection support. Works with Claude Desktop, Claude Code

Calendar negotiation API for AI agents. Exposes all 19 MeetSync endpoints as named MCP tools — find mutual availability across participants, manage scheduling proposals, and confirm bookings directly from Claude or any MCP-compatible agent. No OAuth required, API key auth only.