protogridMulti Calendar
co.lumman/calendarR2· OAuth, oncequality 83 · newtrust 96Outlook.com, Microsoft 365, Google calendars: free time, events, invitations, booking pages, polls.
20 servers, ranked by relevance and trust
Search with filterscalendar-mcp
io.github.deciduus/calendar-mcpL0· runs locallynot scoredtrust 87Google Calendar for LLM agents: find, create, update, move, delete events; free/busy; scheduling.
Calendar.app
io.github.p-l-ta/calendar-mcpL0· runs locallynot scoredtrust 81List, search, and manage calendar events via macOS Calendar.app across all configured accounts.
calendar-mcp
cn.pianam.mcp/calendar-mcpnot classifiednot scoredtrust 60
China holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule.
Nolizi Calendar
com.nolizi.calendar/calendarR1· needs a keyquality 88 · goodtrust 83Free scheduling your agent can book through: live availability, booking, verification, cancel.
AllMyMeetings
com.allmymeetings/calendarR1· needs a keynot scoredtrust 82Sync Google, Outlook, and iCloud calendars and manage events, availability, and booking links.
Calendar Agent by Nova (CIVAI)
co.civai.nova/calendar-agentR0· no sign-inquality 79 · goodtrust 83I do everything related to calendar scheduling
Holiday Calendar
com.modernmustardseed/holiday-calendarR0· no sign-inquality 96 · strongtrust 100U.S. federal holidays with observed dates and business-day math. Example from an open-source kit.
YouSpot
com.youspot/youspotR0· no sign-inquality 60 · needs worktrust 93Query one person's second brain: contacts, companies, notes, files and connected accounts.
Consistency Calendar
io.github.olliejgooding/consistency-calendarR0· no sign-inquality 96 · strongtrust 91Turn any goal with a deadline into a private, gamified, evidence-based execution calendar.
Apple Calendar
io.github.redpop/apple-calendar-mcpL0· runs locallynot scoredtrust 87Read and create Apple Calendar events on macOS, and find free time across calendars.
Boston Calendar
io.github.pipeworx-io/boston-calendarR0· no sign-innot scoredtrust 96The Boston Calendar MCP.
google-calendar-mcp
io.github.mmedum/google-calendar-mcpL0· runs locallynot scoredtrust 96Google Calendar over MCP: calendars, events, recurrence and availability.
Timothe's Growth Calendar
ai.timothe/growth-calendarR2· OAuth, oncequality 83 · goodtrust 92Plan, schedule and generate SEO articles on a content calendar, from your agent.
Google Calendar MCP
io.github.A1-x-Tech/mcp-google-calendarL0· runs locallynot scoredtrust 96MCP server for the Google Calendar API: events, recurrence, invitations, availability, calendars.
Custody Calendar Maker
dev.workers.ekelund-apps.custody-calendar/custody-calendar-makerR0· no sign-inquality 86 · goodtrust 82Custody schedules (2-2-3, 2-2-5-5, week on/off) as a year calendar both co-parents can subscribe to
Google_calendar
io.github.pipeworx-io/google_calendarR0· no sign-innot scoredtrust 96Google Calendar MCP Pack
Mac Calendar MCP
io.github.wagamama/mac-calendar-mcpL0· runs locallynot scoredtrust 81Read-only Mac Calendar MCP server with indexed archive search.
Google Calendar
io.github.domdomegg/google-cal-mcpL0· runs locallynot scoredtrust 86Allow AI systems to list, create, update, and manage Google Calendar events.
CalDAV calendars
io.github.ni-c/caldav-mcpL0· runs locallynot scoredtrust 94Read and write CalDAV calendars: events, tasks and journal entries over the open standard
The list follows the registry live: it is what search for “calendar” returns, without listings scored poor, published under many names from one repository, or with nothing to connect to. A score is evidence anyone can check, not an audit.