"FOX" matching MCP servers:

• ox-mcp

  Rheopyrin

  A

  license

  B

  quality

  B

  maintenance

  MCP server for Open-Xchange & standards-based mail: email (IMAP/SMTP), Sieve filters, CalDAV calendar, CardDAV contacts, free/busy.

  Last updated 2026-07-19

  12

  33

  MIT

• MIST - Model Intelligence

  CLoaKY233

  A

  license

  -

  quality

  C

  maintenance

  Empowers AI assistants with real-world capabilities including note management, Gmail integration, Google Calendar and Tasks management, and Git repository operations through the Model Context Protocol.

  Last updated 2025-06-28

  12

  MIT

• OpenBSP MCP for Google

  matiasbattocchia

  A

  license

  -

  quality

  F

  maintenance

  A hosted MCP server that allows AI assistants to access Google Calendar and Sheets via OAuth proxy, requiring no Google Cloud setup.

  Last updated 2026-03-04

  70

  4

  The Unlicense

• Cal.com MCP Server for

  Niopub

  A

  license

  -

  quality

  D

  maintenance

  Enables AI assistants to book meetings, check availability, and manage Cal.com scheduling through natural conversation.

  Last updated 2025-06-14

  MIT

• tutamcp MCP Server for Tuta

  peix2

  A

  license

  -

  quality

  B

  maintenance

  MCP server giving Claude access to Tuta mail, calendar, contacts and drive. Supports mail modes (dedicated/shared/folder), trusted sender filtering with E2E verification, and Docker-based setup.

  Last updated 2026-06-23

  AGPL 3.0