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Best MCP servers for scheduling and calendars

We found 511 MCP servers for scheduling and calendars in the catalog; these are the 15 that rank highest. The order comes from our rank, which weighs adoption, freshness, documentation and publisher identity. Nobody can pay for a place on this list. Agent-Native Calendar, Google Workspace and Workspace MCP lead it. Agent-Native Calendar has the most GitHub stars here (7,507). 15 of the 15 had activity in the last 30 days. Remote servers need no local install; local ones run on your machine and can reach local files. Each entry lists why it made the list and links to its install page.

Updated Oct 26, 2026 · Built from catalog data; how we rank and grade

Top 15 of 511

  1. 1
    Agent-Native Calendar

    BuilderIO

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

    • Most GitHub stars here (7,507)
    • Remote server, no local install
    • Active in the last 30 days

    ★ 7.5KLast active Oct 24, 2026Remote (HTTP)Claude Code, VS Code, Cursor, Windsurf

  2. 2
    Google Workspace

    aaronsb

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

    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 192↓ 2K/wkLast active Oct 16, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  3. 3
    Workspace MCP

    taylorwilsdon

    Google Workspace MCP server for Gmail, Drive, Calendar, Docs, Sheets, Slides, Forms, Tasks, Chat.

    • Most weekly downloads here (73.3K)
    • Active in the last 30 days
    • Open source (MIT)

    ↓ 73.3K/wkLast active Oct 23, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  4. 4
    Caldav MCP

    dominik1001

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

    • Active in the last 30 days
    • Open source (MIT)

    ★ 105Last active Oct 23, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  5. 5
    Outlook Assistant

    littlebearapps

    Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 39↓ 236/wkLast active Oct 7, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  6. 6
    Apple Calendar

    JonathanRReed

    List, create, update, and delete events in Apple Calendar on macOS.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 28↓ 471/wkLast active Oct 22, 2026Local (stdio)Claude Code, Codex, VS Code, Claude Desktop +2

  7. 7
    MS 365-21V MCP Server

    mdwsk88

    MCP server for Microsoft 365 on the 21Vianet China cloud: mail, calendar, files via delegated Graph.

    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 89Last active Oct 20, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  8. 8
    Apple Tools (Unified)

    JonathanRReed

    Unified Apple ecosystem MCP server for macOS: Mail, Calendar, Notes, Files, Messages, and more.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 28↓ 322/wkLast active Oct 22, 2026Local (stdio)Claude Code, Codex, VS Code, Claude Desktop +2

  9. 9
    Dav MCP

    PhilflowIO

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

    • Active in the last 30 days
    • Open source (MIT)

    ★ 40Last active Oct 10, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  10. 10
    Outlook MCP

    littlebearapps

    Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 39Last active Oct 7, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  11. 11
    macOS Calendar & Reminders

    kiki830621

    macOS Calendar & Reminders MCP server (24 tools).

    • Active in the last 30 days
    • Open source (MIT)

    ★ 41Last active Oct 23, 2026Local (stdio)Claude Desktop

  12. 12
    macOS Calendar and Reminders

    PsychQuant

    macOS Calendar and Reminders MCP server (29 tools).

    • Active in the last 30 days
    • Open source (MIT)

    ★ 41Last active Oct 23, 2026Local (stdio)Claude Desktop

  13. 13
    Outlook

    rlrghb

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

    • Active in the last 30 days
    • Open source (MIT)

    ★ 21Last active Oct 17, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  14. 14
    PostSider

    lumizone

    Social media calendar for AI agents: read channels, create drafts, request approval.

    • Active in the last 30 days
    • Open source (AGPL-3.0)

    ★ 13Last active Oct 13, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  15. 15
    Genealogy research toolkit

    igormel81

    Family history: 171 sources, book search, calendars, kinship, event evidence and research projects

    • Active in the last 30 days
    • Open source (MIT)

    ★ 4↓ 431/wkLast active Oct 21, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

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