MCP Servers 27

MCP server for Google Calendar integration with service account support and domain-wide delegation.

Calendar.app

io.github.p-l-ta/calendar-mcp

A✓Verified

List, search, and manage calendar events via macOS Calendar.app across all configured accounts.

Apple Calendar

io.github.mgcrea/mcp-apple-calendar

A✓Verified

Search, read and act on Apple Calendar — ranges, free-time lookup, writes off by default

Google Calendar MCP

io.github.A1-x-Tech/mcp-google-calendar

A✓Verified

MCP server for the Google Calendar API: events, recurrence, invitations, availability, calendars.

CalDAV calendars

io.github.ni-c/caldav-mcp

A✓Verified

Read and write CalDAV calendars: events, tasks and journal entries over the open standard

Icloud Calendar

io.github.IceyWu/icloud-calendar

A✓Verified

Manage Apple iCloud Calendar through a reliable CalDAV MCP server.

Google Drive MCP

io.github.piotr-agier/google-drive-mcp

A✓Verified

Secure access to Google Drive, Docs, Sheets, Slides, and Calendar through MCP.

Google Workspace

io.github.aaronsb/google-workspace

A✓Verified

Give AI agents access to Gmail, Calendar, Drive, and more — multi-account, manifest-driven

Caldav

io.github.dominik1001/caldav-mcp

A✓Verified

CalDAV calendar operations (list, create, update, delete events) as MCP tools.

iCloud MCP

io.github.MrGo2/icloud-mcp

A✓Verified

Apple Mail, Calendar, Contacts, Reminders, Notes, Messages and Safari via AppleScript or iCloud

AIquila — Nextcloud MCP Server

io.github.elgorro/aiquila-mcp

A✓Verified

Nextcloud MCP server — files, calendar, contacts, mail, maps, notes, tasks & 120+ more tools

Dav

io.github.PhilflowIO/dav-mcp

A✓Verified

AI-orchestrated calendars, contacts & tasks across any DAV platform.

Outlook

io.github.rlrghb/outlook

A✓Verified

Outlook & OneDrive MCP: personal & enterprise tools for mail, calendar, contacts, tasks, files

Google Workspace MCP Server

io.github.conorbronsdon/gws-mcp-server

A✓Verified

Google Workspace as 39 curated MCP tools: Gmail, Calendar, Drive, Sheets, Docs, and Tasks.

Ofw

io.github.chrischall/ofw-mcp

A✓Verified

OurFamilyWizard co-parenting for Claude — messages, calendar, expenses, and journal

Skylight

io.github.chrischall/skylight-mcp

A✓Verified

Skylight Calendar for Claude — family events, chores, and rewards.

Agentlair

io.github.piiiico/agentlair

A✓Verified

Give AI agents a real email address, vault, calendar, and task delegation via MCP.

Better Workspace

io.github.n24q02m/better-workspace-mcp

A✓Verified

Google Workspace MCP — Docs, Drive, Calendar, Gmail, Sheets, Slides, Tasks, Chat, People, Forms

Myhotlunchbox

io.github.chrischall/myhotlunchbox-mcp

A✓Verified

My Hot Lunchbox school lunch ordering for Claude — calendar, cart, orders, payments

Shikamaru

io.github.JayOfemi/shikamaru

A✓Verified

Provably correct day-count, calendar, business-day, and schedule math, verified against QuantLib.

hostaway-kit

io.github.stylabs/hostaway-kit

A✓Verified

Read-only Hostaway MCP: listings, calendar, inbox, reports.

Estevao

io.github.dodopok/estevao-mcp

A✓Verified

Anglican liturgical calendar, lectionary and Daily Office (Book of Common Prayer) via Estêvão API

Siftable

io.github.Tom-R-Main/mcp-server

A✓Verified

Siftable MCP server for governed work, knowledge, calendar, people, datasets, and Vault.

Local-first productivity: email, calendar, messaging, search, image gen.