MCP CheckMCP servers for calendars
175 ways to connect calendars to Claude, Cursor or VS Code. 58 are hosted, so there's nothing to install; the rest run on your machine. Each row shows the security checks, the secrets asked for and an install command.
calendars MCP servers 175
Now showing are unlisted. These entries didn't pass our listing filter: no source repo, a very short or duplicated description, or a publisher with 100+ servers. Same automated checks, shown as-is. How we check
| Type | Secrets | Version | Actions | ||||
|---|---|---|---|---|---|---|---|
★ 7.5k io.github.BuilderIO/agent-native-calendar Agent-Native Google Calendar - manage events, sync, and public booking | 3/3All passed | 77health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
★ 105 io.github.dominik1001/caldav-mcp CalDAV calendar operations (list, create, update, delete events) as MCP tools. | 6/71 warning | 76health of 100 | npmRuns locally | 1secret asked | 0.9.0 | ||
★ 81 com.pulsemcp/google-calendar MCP server for Google Calendar integration with service account support and domain-wide delegation. | 7/7All passed | 64health of 100 | npmRuns locally | 1secret asked | 0.0.13 | ||
★ 41 io.github.PsychQuant/che-ical-mcp macOS Calendar and Reminders MCP server (29 tools). Native Swift EventKit, iCloud/Google/Exchange. | 5/61 warning | 59health of 100 | MCPBRuns locally | Noneno keys asked | 1.14.1 | ||
★ 41 io.github.kiki830621/che-ical-mcp macOS Calendar & Reminders MCP server (24 tools). Native Swift EventKit, iCloud/Google/Exchange. | 5/61 warning | 59health of 100 | MCPBRuns locally | Noneno keys asked | 1.1.0 | ||
★ 32 io.github.JonathanRReed/apple-calendar-mcp List, create, update, and delete events in Apple Calendar on macOS. | 7/7All passed | 60health of 100 | PyPIRuns locally | Noneno keys asked | 1.1.4 | ||
★ 27 io.github.deciduus/calendar-mcp Google Calendar for LLM agents: find, create, update, move, delete events; free/busy; scheduling. | 7/7All passed | 61health of 100 | PyPIRuns locally | 1secret asked | 1.0.1 | ||
★ 23 org.onekash/icloud-calendar-mcp MCP server for iCloud (Apple) Calendar access via CalDAV | 4/4All passed | 62health of 100 | npmRuns locally | 1secret asked | 3.2.0 | ||
★ 13 io.github.mindstone/mcp-server-microsoft-calendar Microsoft 365 Outlook calendar via Graph: list, get, create, update, respond, free/busy. | 7/7All passed | 55health of 100 | npmRuns locally | Noneno keys asked | 0.2.0 | ||
★ 13 io.github.temporal-cortex/mcp 18 deterministic calendar tools: contact resolution, temporal context, availability, booking | 6/71 warning | 50health of 100 | npmRuns locally | 2secrets asked | 0.9.1 | ||
★ 9 com.mintmcp/outlook-calendar A MCP server that works with Outlook Calendar to manage event listing, reading, and updates. | 3/3All passed | 53health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
★ 5 io.github.mgcrea/mcp-apple-calendar Search, read and act on Apple Calendar — ranges, free-time lookup, writes off by default | 7/7All passed | 57health of 100 | npmRuns locally | Noneno keys asked | 1.32.0 | ||
★ 5 io.github.lukegskw/caldav-mcp A TypeScript MCP server for iCloud Calendar with native multi-VALARM support. | 7/7All passed | 65health of 100 | DockerRuns locally | 1secret asked | 0.2.0 | ||
★ 5 io.github.aernouddekker/calendarmcp MCP server for macOS Calendar.app — calendar and event management via AppleScript | 7/7All passed | 53health of 100 | npmRuns locally | Noneno keys asked | 0.2.0 | ||
★ 3 io.github.adelaidasofia/google-workspace-mcp Multi-account MCP for Gmail, Calendar, Drive, Docs, and Sheets — 61 tools, token-efficient, macOS… | 6/6All passed | 58health of 100 | MCPBRuns locally | 1secret asked | 0.1.0 | ||
★ 3 io.github.jackfioru92/aruba-email MCP server for Aruba email and calendar via IMAP/SMTP/CalDAV | 4/4All passed | 55health of 100 | PyPIRuns locally | 1secret asked | 0.2.1 | ||
★ 2 com.bestremotetools/calendar-ics-events-free-busy Read an .ics export: list events with recurring series expanded, find free and busy, bill a meeting. | 6/6All passed | 57health of 100 | MCPBRuns locally | 1secret asked | 0.21.0 | ||
★ 2 io.github.redpop/apple-calendar-mcp Read and create Apple Calendar events on macOS, and find free time across calendars. | 7/7All passed | 55health of 100 | npmRuns locally | Noneno keys asked | 0.2.1 | ||
★ 2 io.github.AMMAR-62/mewcp-google-calendar Schedule smarter - create, search, and manage Google Calendar events through AI. | 3/41 warning | 43health of 100 | DockerRuns locally | Noneno keys asked | 1.0.0 | ||
★ 1 io.github.ni-c/caldav-mcp Read and write CalDAV calendars: events, tasks and journal entries over the open standard | 7/7All passed | 62health of 100 | npmRuns locally | 2secrets asked | 0.1.5 | ||
★ 1 io.github.domdomegg/google-cal-mcp Allow AI systems to list, create, update, and manage Google Calendar events. | 7/7All passed | 60health of 100 | npmRuns locally | 2secrets asked | 1.1.3 | ||
★ 1 io.github.p-l-ta/calendar-mcp List, search, and manage calendar events via macOS Calendar.app across all configured accounts. | 7/7All passed | 49health of 100 | npmRuns locally | Noneno keys asked | 1.0.0 | ||
io.github.atushi1841/japan-business-calendar-mcp Japan business day & holiday calculator MCP. Official holidays + business-day arithmetic, 6 tools. | 6/6All passed | 46health of 100 | MCPBRuns locally | Noneno keys asked | 0.1.0 | ||
io.github.mmedum/google-calendar-mcp Google Calendar over MCP: calendars, events, recurrence and availability. | 4/4All passed | 43health of 100 | MCPBRuns locally | Noneno keys asked | 5.0.0 | ||
io.github.groove79/mcp-world-calendar Public holidays and working-day math for 200+ countries and regions, local weekends. No keys. | 7/7All passed | 61health of 100 | npmRuns locally | Noneno keys asked | 0.1.0 | ||
io.github.groove79/mcp-kr-biz-calendar Korean tax/payroll deadlines, public holidays, business-day math. No keys. 세무 일정·영업일 MCP. | 7/7All passed | 62health of 100 | npmRuns locally | Noneno keys asked | 0.1.1 | ||
io.github.mp-consulting/apple-calendar-mcp Read, search and plan Apple Calendar on macOS via EventKit: free time, undo, you approve deletes | 6/6All passed | 43health of 100 | MCPBRuns locally | Noneno keys asked | 0.3.0 | ||
io.github.datadmon/luma-events-scraper Luma (lu.ma) events as JSON by city, category or calendar: date, venue, hosts, tickets. $1.50/1k | 3/3All passed | 50health of 100 | RemoteHosted | Noneno keys asked | 1.0.1 | ||
io.github.datadmon/india-ipo-tracker India IPO data as JSON: live GMP, QIB/NII/retail subscription, calendar, listing gains. $3/1k | 3/3All passed | 50health of 100 | RemoteHosted | Noneno keys asked | 1.0.1 | ||
io.github.AliMora83/sa-business-calendar-mcp South African business days, public holidays and SARS EMP201/VAT201 deadlines. | 3/3All passed | 43health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
 co.lumman/calendar Outlook.com, Microsoft 365, Google calendars: free time, events, invitations, booking pages, polls. | 3/3All passed | 47health of 100 | RemoteHosted | Noneno keys asked | 1.2.0 | ||
 io.github.ipsupport-llc/apple-mail-mcp Apple Mail, Calendar and Notes on macOS for any MCP client. Local, no dependencies. | 5/61 warning | 47health of 100 | MCPBRuns locally | Noneno keys asked | 1.6.1 | ||
 com.modernmustardseed/holiday-calendar U.S. federal holidays with observed dates and business-day math. Example from an open-source kit. | 4/4All passed | 43health of 100 | RemoteHosted | Noneno keys asked | 1.0.1 | ||
io.github.Glob0x17/mcp-icloud-caldav iCloud Calendar over CalDAV: list, create, update, move and delete events. Optional read-only mode. | 7/7All passed | 49health of 100 | PyPIRuns locally | 1secret asked | 0.2.1 | ||
 com.ufcalendar/fight-api Fight API MCP: UFC, PFL, BKFC, RIZIN, OKTAGON events, results, stats, rankings, judges scorecards. | 4/4All passed | 48health of 100 | RemoteHosted | Noneno keys asked | 1.5.1 | ||
io.github.domaranskyi/us-canada-economic-calendar US/Canada economic calendar with actuals from BLS, BEA, Census, Fed, DOL, StatCan, Bank of Canada. | 3/3All passed | 48health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
dev.plugrail/jp-calendar Japanese holiday and business-day calculations using official Japan Cabinet Office data. | 4/4All passed | 43health of 100 | RemoteHosted | Noneno keys asked | 0.2.0 | ||
io.github.physics-star-cat/databutler-calendar Public holidays (UK, US, DE, FR), tax-year dates and DST switches for 2026-2028. | 4/4All passed | 45health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
io.github.A1-x-Tech/mcp-google-calendar MCP server for the Google Calendar API: events, recurrence, invitations, availability, calendars. | 7/81 warning | 52health of 100 | npmRuns locally | 3secrets asked | 1.0.0 | ||
io.github.Dreiev/l2calendar-mcp Query Lineage 2 private server openings by chronicle through the public L2 Calendar API. | 7/7All passed | 50health of 100 | npmRuns locally | Noneno keys asked | 1.0.0 | ||
cn.pianam.mcp/calendar-mcp China holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule. | 3/3All passed | 42health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
 io.github.olliejgooding/consistency-calendar Turn any goal with a deadline into a private, gamified, evidence-based execution calendar. | 4/4All passed | 45health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
io.github.IsaiahDupree/calendar-bridge Connects ChatGPT to your Apple Calendar via a local Mac agent + Vercel relay | 3/3All passed | 45health of 100 | RemoteHosted | Noneno keys asked | 1.3.0 | ||
 com.microsoft/workiq-calendartools Official Microsoft, hosted Unlisted Calendar tools for creating, updating, deleting events, managing invites, and checking availability. | 2/31 warning | No data | RemoteHosted | Noneno keys asked | 1.0.1 | ||
★ 438 mu.micro/mu News, web search, mail, markets, weather, places, files, calendar, contacts. 67 tools, one endpoint. | 4/4All passed | 82health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
★ 231 io.github.piotr-agier/google-drive-mcp Secure access to Google Drive, Docs, Sheets, Slides, and Calendar through MCP. | 7/7All passed | 84health of 100 | npmRuns locally | 1secret asked | 2.12.0 | ||
★ 192 io.github.aaronsb/google-workspace Give AI agents access to Gmail, Calendar, Drive, and more — multi-account, manifest-driven | 7/7All passed | 69health of 100 | npmRuns locally | Noneno keys asked | 4.8.0 | ||
★ 112 io.github.hhopke/intervals-icu-mcp Read/write Intervals.icu MCP server: activities, wellness, calendar, gear, and workouts. | 7/7All passed | 67health of 100 | PyPIRuns locally | 1secret asked | 5.7.1 | ||
★ 89 io.github.mdwsk88/ms-365-21v-mcp-server MCP server for Microsoft 365 on the 21Vianet China cloud: mail, calendar, files via delegated Graph. | 4/4All passed | 61health of 100 | DockerRuns locally | Noneno keys asked | 0.2.0 | ||
 ★ 74 com.local-mcp/local-mcp Mac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files. | 6/82 warnings | 63health of 100 | npmLocal or hosted | Noneno keys asked | 3.0.427 |
Showing 1 to 50 of 175. These are the most recently updated; search or pick a category for the rest.
calendars MCP servers: common questions
Which calendars MCP server should I use?
Start with the official one, Work IQ Calendar MCP Server, since it comes from the company itself. Among community builds, the most-starred on GitHub are Agent-Native Calendar (★ 7.5k), caldav-mcp (★ 105) and google-calendar (★ 81). If you want one that passed every check, Agent-Native Calendar did.
Can I trust these calendars MCP servers?
On registry checks, 149 of 175 come out clean. We also read the code or live tool list of 130 of them without running anything, and 9 raised a warning worth reading, such as an install script or text aimed at the AI. Treat a pass as "nothing found", and give any server the least access that works.
Is a Claude skill better than an MCP server for calendars?
An MCP server gives the AI new tools, such as reaching calendars itself. A skill only teaches it how to do a task with tools it already has. There are 265 Claude skills for calendars if that fits better.
How fresh are these calendars MCP servers?
84 of the 175 were updated in the 30 days before 31 Oct 2026. The latest was ScraperCompany: hotel, rental and flight prices, on 28 October.
How do I add a calendars MCP server to Claude?
To connect calendars through Agent-Native Calendar, run this in a terminal: claude mcp add --transport http agent-native-calendar https://calendar.agent-native.com/mcp. Pin the version shown before you rely on it.
Do I have to install a calendars MCP server?
58 can run hosted, so you only paste a URL into Claude, Cursor or VS Code. The 126 that run locally ship as 70 npm, 31 PyPI, 16 MCPB bundle and 7 Docker packages.
More topics: every “MCP server for…” page. Prefer a skill? Claude skills for this (265).