conformance: fail

Provides access to Google Calendar for creating events, listing calendars, and checking availability.

MCP server for Google Calendar : create events, manage calendars, check availability, and share calendars through 28 tools via the Model Context Protocol. ## Features - Create, update, and delete calendar events (timed and all-day) - Quick add events from natural language - Manage recurring events with RRULE support - Share calendars with ACL (access control) management - Check availability with free/busy queries - Manage multiple calendars and subscriptions - Full OAuth 2.0 authentication with refresh tokens ## 28 Tools **Events (10)**: List, get, create, update (PUT), patch (PATCH), delete, quick add, move, list instances, import **CalendarList (5)**: List subscribed calendars, get entry, add (subscribe), update display settings, remove (unsubscribe) **Calendars (5)**: Get metadata, create, update, delete, clear all events **ACL (5)**: List rules, get rule, create (share), update permission, delete (revoke) **Utility (3)**: Query free/busy, get color palette, list settings ## Configuration - `GOOGLE_CLIENT_ID` : OAuth 2.0 Client ID from Google Cloud Console - `GOOGLE_CLIENT_SECRET` : OAuth 2.0 Client Secret - `GOOGLE_REFRESH_TOKEN` : Refresh token with Calendar scope

Make a printable calendar as a print-ready vector PDF without leaving the chat.

I do everything related to calendar scheduling

.ics files & calendar links

Date conversion between solar date (Gregorian calendar) to lunar date (Vietnamese calendar)

Make a bill payment calendar from your list of bills: a printable monthly bill calendar.

Shares a schedule that your group subscribes to once and that stays up to date.

Shared group calendar with RSVPs, no login. Create calendars, read events, add events, RSVP.

Turn any goal with a deadline into a private, gamified, evidence-based execution calendar.

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Agent-Native Google Calendar - manage events, sync, and public booking

Create, update, and delete Google Calendar events, list calendars and events, respond to invitations, and find times when everyone is free.

Plan, schedule and generate SEO articles on a content calendar, from your agent.

Publish subscribable calendars for Google, Outlook and Apple and keep them updated from chat.

Build offline public-holiday calendars for five countries and bounded years

A MCP server that works with Outlook Calendar to manage event listing, reading, and updates.

FOMC/NFP/CPI economic calendar plus prop-firm news-restriction window checks for futures traders.

Your calendars, managed by AI Connect Google, Outlook, Apple, CalDAV, and BRIX calendars to an AI assistant. Inspect schedules, manage events, and keep busy time aligned across accounts.

Read and search Teamup Calendar events and sub-calendars; create, update, delete and undo events.

uptime_30d 1.0%; p95 125.8ms; conformance: fail

US/Canada economic calendar with actuals from BLS, BEA, Census, Fed, DOL, StatCan, Bank of Canada.

South African business days, public holidays and SARS EMP201/VAT201 deadlines.

Unofficial Wentworth (WIT) course catalog and student schedule. Needs a WIT sign-in.

Create recurring events and send invites from your own address, in one sentence.

Outlook.com, Microsoft 365, Google, iCloud, Yahoo, AOL, CalDAV: free time, events, bookings, polls.

Scheduled US official economic releases (BLS, BEA, Census, Fed); pay-per-event via Apify.

Luma (lu.ma) events as JSON by city, category or calendar: date, venue, hosts, tickets. $1.50/1k

Manage @calendar0bot events,reminders,notes, sync with Google/Apple/CalDAV Get your agenda / free-slots / public holidays and other

India IPO GMP/subscription JSON: $3/1k report rows; optional IPO details $15/1k extra.

CRE conference calendar 2026-2027: search, compare, deadlines, role picks, calendar feeds.

Australian business days and holiday-aware due dates for your AI agent.

NYSE, Federal Reserve, TARGET2 and UK business days, holidays and T+N settlement dates.

Premium via x402: $1.00 full 20-token reconstruction - tokenomics-x402.gtcclothing1.workers.dev

Free scheduling your agent can book through: live availability, booking, verification, cancel.

Japanese business days, holiday checks and invoice due dates for your AI agent.

China holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule.

MCP server for China public holidays and lunar calendar: solar-lunar conversion and yearly schedule.

Chronary — calendar-as-a-service built for AI agents. Give your agent its own calendar: create and manage calendars and events, find meeting times across multiple participants, run multi-party scheduling proposals, place auto-expiring holds, set availability rules, receive webhooks, and sync external iCal feeds. One API key, 47 MCP tools, no OAuth — calendaring and scheduling infrastructure purpose-built for autonomous agents and copilots. Chronary works with Claude, Cursor, ChatGPT, and any MCP client.

Plan, schedule and generate SEO articles on a content calendar. Ask your agent to show what is scheduled this month, plan a topic cluster, move or retitle a planned article, or write one now. Article generation runs unattended on its publish date, so the calendar keeps working after you close the terminal.

Work IQ Calendar MCP Server which enables core Outlook calendar actions (create, update, manage, and schedule events) for agentic workflows. This feature is in preview and is part of the Work IQ tools, providing shared work intelligence and actions for agents. Availability and capabilities are subject to change. Learn more: https://aka.ms/AboutWorkIQ

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

Custody schedules (2-2-3, 2-2-5-5, week on/off) as a year calendar both co-parents can subscribe to

Seasonality by month for 9 markets, S&P 500 day by day this month, and US economic release dates.

Public holidays (UK, US, DE, FR), tax-year dates and DST switches for 2026-2028.

Canadian federal and provincial holidays, business-day maths and invoice due dates.

Read .ics calendar exports: events in a window, free slots, double bookings, new .ics files.

Give an Airbnb listing link and your dates, get the real total Airbnb charges for that stay with discounts applied, the price lines, why the dates cannot be booked when they cannot, and the listing's open dates. — 4 runs

Create and update subscription calendars from ChatGPT, Claude, or Codex.

Japanese calendar API for AI agents. Provides Rokuyo (六曜), Rekichu (暦注), Eto (干支), 24 Solar Terms, and fortune judgments for dates. Perfect for answering questions like "Is today a lucky day for a wedding?" or "When is the next Taian (大安)?". Supports both MCP and REST API.

U.S. federal holidays with observed dates and business-day math. Example from an open-source kit.

Booking pages, free times and meetings for your agent. Pay per action.

IPO calendar, SEC filings, deal terms, and IPO news research via the IPOGrid MCP server.

Stock exchange trading days, hours, live market status (28 exchanges) and holidays (247 countries).

Trailing and calendar-year total returns for 32,000+ US mutual funds and ETFs — compare fund performance by ticker. Six read-only tools: search the fund universe, fetch metadata, and pull single or batched (up to 100) trailing/calendar returns, latest or as-of a date. Free tier; same data and API key as the Fruit Stand REST API.

Daily horoscopes (en/es/pt, 7 days ahead), moon phases, Panchang, solar terms, Maya, Ramadan dates.

Deterministic date, time and calendar tools for agents over MCP. Parse and format dates, convert time zones, add and diff durations, compute week numbers, business days and calendar arithmetic. Pure computation: no AI, no API keys, no outbound calls, and the same input always returns the same result.

Public holidays and business-day math (T+N, counts) for many countries; pay per call via x402