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Calendar MCP servers and agent skills

50 listed tools mention Calendar in the name or description. Each one has a risk grade from public signals and a link to its own page with setup steps and any outside security reports we found. Grades are our opinion, not a code review.

50 tools

Tools matching Calendar, best popularity score first. Column headers sort the table.
Bmcp-server-apple-eventsMCP server providing native macOS integration with Apple Reminders and Calendar via EventKitMCP server2303.2k
BcliGoogle Workspace CLI — one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, and more. Dynamically built from Google Discovery Service. Includes AI agent skills.Skill32k—
CApple-MCPsModel Context Protocol (MCP) servers that give AI agents local access to macOS apps: Mail, Calendar, Reminders, Messages, Contacts, Notes, Shortcuts, Files, System, and Maps. Unified server plus focused single-app servers.MCP server32—
Cicloud-mcpMCP server for Apple services — Mail, Calendar, Contacts, Reminders, Notes, Messages, Safari — via AppleScript (local) or iCloud IMAP/CalDAV/CardDAV (cloud)MCP server70107
Cdav-mcpTransform AI agents into orchestrating assistants managing calendars, contacts, and tasksMCP server42212
Coutlook-assistantMCP server for Outlook email, calendar, and contacts — let your AI assistant manage your inbox directly from the conversation.MCP server39236
Cskylight-mcpSkylight Calendar MCP — read/write family calendar events, chores, rewards, and shared lists.MCP server161.6k
Dmcp-google-multiLocal MCP server for Google Workspace (Gmail, Drive, Calendar, Sheets, Docs, Contacts, Tasks, Meet, Search Console, +Forms/Chat/Admin) across multiple accounts — OAuth-only, encrypted token storage, deny-by-default writes.MCP server171.4k
Cicloud-calendar-mcpiCloud Calendar MCP server. On MCP Registry, npm & PyPI. Kotlin/JVM, OWASP MCP Top 10 compliant.MCP server24180
Cgoogle_workspace_mcpControl Gmail, Google Calendar, Docs, Sheets, Slides, Chat, Forms, Tasks, Search & Drive with AI - Comprehensive Google Workspace MCP Server & CLI ToolMCP server3.4k—
Cai-marketing-claudeAI Marketing Suite for Claude Code. 15 marketing skills with parallel subagents — audit any website, generate copy, email sequences, ad campaigns, content calendars, competitive intelligence, and client-ready PDF reports.MCP server2.8k—
Cgoogle-drive-mcpA Model Context Protocol (MCP) server that provides secure integration with Google Drive, Docs, Sheets, Slides and Calendar. It allows Claude Desktop and other MCP clients to manage files in Google Drive through a standardized interface.MCP server231—
Ckeeper.shCalendar sync tool & universal calendar MCP server. Aggregate, sync and control calendars on Google, Outlook, Office 365, iCloud, CalDAV or ICS.MCP server1.4k—
DairmcpGoverned MCP runtime for the Apple ecosystem, available on macOS for Notes, Mail, Calendar, Reminders, Shortcuts, and more.MCP server18565
C@cocal/google-calendar-mcpGoogle Calendar MCP Server with extensive support for calendar managementMCP server1.2k—
Cgoogle-workspace-mcpMCP server for Google Workspace: Docs, Sheets, Drive, Gmail, Calendar, Slides, and FormsMCP server33k
CnworksFull-featured MCP server and CLI for LINE WORKS (NAVER WORKS) — 26 tools covering messages, calendar, drive, mail, tasks, and boards. Automate with AI agents or scripts.MCP server2836
Cclaude-skill-social-postA Claude Code skill by Hao (駱君昊) that learns your Facebook voice and auto-posts to FB / IG / Threads / X with a 14-day content calendar. Mega-viral validated: 80K reach / 448 likes / 500 comments on first post. Includes Day 2 flop postmortem.Skill743—
Cgoogle-tools-mcpMCP server unifying 169 Google Workspace tools across Drive, Docs, Sheets, Slides, Gmail, Calendar, and Forms behind a single OAuth 2.0 flow. Read-before-edit guards, lazy auth, multi-account profiles, no telemetry.MCP server9109
Cask-marcel-office-cliThe Microsoft 365 command line built for AI agents: one sign-in, 182 read-only commands, every document as clean markdown. Outlook, OneDrive, SharePoint, Teams, Calendar, Excel, OneNote, Planner. MCP server included.MCP server991
Cgoogle-workspace-mcpA Model Context Protocol (MCP) server that provides authenticated access to Google Workspace APIs, offering integrated Authentication, Gmail, Calendar, and Drive functionalityMCP server192—
CscrumboySelf-hosted project management • Customizable boards • Cross-project workload and flow analytics • Calendar/Agenda • Sticky-note wall • Imports/Backups • Email notifications • MCP/Agent automationMCP server448—
Ckiwi-mem🥝 Self-hosted memory gateway for AI companions — OpenAI-compatible proxy with vector search, memory heat, Dream consolidation and calendar-level summaries · AI 伴侣记忆网关：向量搜索、记忆热度、Dream 睡眠整合、日历层级摘要，任何客户端都能接MCP server342—
Cmcp-icalA Model Context Protocol Server that allows you to interact with your MacOS Calendar through natural language.MCP server332—
Cainative-zerodb-memory-mcpAINative ZeroDB Memory MCP Server - 18 tools for agent memory: 9 memory + 5 write-back (Slack, Gmail, Calendar, GitHub, Notion) + 4 plan artifacts (persistent plans/PRDs across sessions with diff history). Auto-context middleware. Production-ready for ClaMCP server1503
Dmicrosoft365-mcp-serverA Model Context Protocol (MCP) server for Microsoft 365 - manage mail, calendar, contacts, files, Teams, Planner, OneNote, To Do, and more via Microsoft Graph.MCP server1442
Dgoogle-mcp-suiteGoogle 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 theMCP server5296
Ccaldav-mcp🗓️ A CalDAV Model Context Protocol (MCP) server to expose calendar operations as tools for AI assistants.MCP server105—
Csocial-ai-teamClaude Code skills for social media — a complete AI social team for SMBs. Brand setup, content calendar, captions, creative, and performance review.Skill260—
Cms-365-21v-mcp-serverMCP gateway for Microsoft 365 operated by 21Vianet — let AI clients use your 21V M365 mail, calendar, OneDrive & SharePointMCP server100—
Cmac-shortcuts-mcpLet any AI agent read your Mac — Calendar, Reminders, Notes, Contacts, Clipboard, Location, Weather — through Apple Shortcuts. Read-only, local, no account.MCP server1415
DSlotlockCalendars for AI agents: free/busy, next free slot, and bookings PostgreSQL never double-books.MCP server—821
Cagentii-investment-intelligenceClaude-type skills for institutional equity research — 25 AI agent skills with SEC filings, XBRL financials, earnings calendars, DCF/comps/LBO models, and PPT generation. Powered by agentii.ai data plane. Works with Claude Code, OpenCode, Codex, OpenClaw, Goose.Skill209—
Dvr-org-mcpRead-only MCP server for VR.org. Gives AI agents one-call access to live VR, AR, and XR news, original editorial with full article text, the events calendar, headset deals, buyer guides, and top-game and top-app lists.MCP server—750
DmailcraftMailCraft: an open-source, clean-room mail, calendar and contacts program (Outlook-style) in pure Rust, for Microsoft 365, Outlook.com and IMAP. Early alpha.MCP server150—
Dhnbcrm-mcpMCP server for HNBCRM — 66 tools to manage leads, contacts, pipeline, tasks, calendar, WhatsApp campaigns and WhatsApp groups via AI agentsMCP server1329
Cfastmail-mcpUnofficial MCP server for the Fastmail JMAP API — email, contacts, and calendar tools for AI assistants. Not affiliated with Fastmail. Includes a DXT for Claude Desktop.MCP server131—
Cgoogle-services-mcpsMCP servers for Google Workspace (Gmail, Drive, Calendar, Admin), Google Cloud, Search Console, Google Ads and more, as Claude Code plugins, with installers for Codex, OpenCode and Antigravity.MCP server—1.3k
Dmacuse-mcpMCP server for Mac — give AI direct control of Calendar, Mail, Notes, Reminders, Messages, and any Mac app via Computer Use, on-device. Works with Claude Desktop, Cursor, Codex, Raycast, VS Code, Warp, Zed, LM Studio.MCP server46—
CENZOSelf-hosted AI workspace with agents, skills, and tools (Gmail, Calendar) that runs entirely on your own provider API keys (BYOK). Bring your own keys — Groq, OpenRouter, NVIDIA, Hugging Face, Google AI.MCP server116—
Dapple-icloud-mcpUnofficial MCP server for Apple's services — Apple Music playlists and library, iCloud Calendar, Contacts and Mail, Apple Maps, WeatherKit and iTunes search — that runs anywhere, no Mac needed. Not affiliated with Apple. Developed and maintained by AI (ClMCP server—279
Cicloud-calendar-mcpReliable Apple iCloud Calendar MCP server over CalDAVMCP server—279
Dche-ical-mcpmacOS 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 + notarized for macOS 26. iCloud/Google/Exchange.MCP server41—
CfamilywellThe family organizer for the people you live with: shopping lists, to-dos, calendar, spending, projects, recipes and more. Self-hostable, modular Laravel + React PWA with an MCP server for AI assistants. Free for personal use.MCP server104—
Cdingtalk-skills【Openclaw & Hermes & 企业机器人🤖】钉钉Skill库，含：钉钉文档、知识库、AI(多维)表格、群(单)聊、会议室、日程、待办、通讯录、AI搜索等，自动管理配置，轻量级—仅依赖curl， skill经过严格测试。Lightweight DingTalk Skill Library (curl only). Includes AI search, docs, sheets, chat, meetings, calendar, todos & contacts. Auto-configured & rigorously tested.Skill102—
Doutlook-mcpMCP server for Microsoft Outlook personal accounts via Microsoft Graph API. 68 tools across 13 categories — mail, calendar, contacts, tasks, drafts, attachments, delta queries, digest, bulk read. Community project, not affiliated with Microsoft.MCP server40—
Dcircal-mcpMCP server for circal — read and write your calendar through its mirror file or its encrypted cloud copyMCP server1364
Copenquok-monorepoSocial scheduler: post, schedule, and track everywhere you publish. One workspace with calendar and kanban. Agents run on autopilot via CLI, MCP, and public API—you approve what goes live. Cloud or self-host.MCP server101—
DChronaryCalendar API for AI agents: events, availability, Google/Microsoft setup, scheduling, and iCal.MCP server—252
Fim-connectorMCP server that lets agents drive DingTalk (dws) and WeCom (wecom-cli) CLIs: send messages, write reports, create todos, query calendars and approvals. Extensible provider registry for more IM platforms.MCP server—982

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