Add dav-mcp community server — universal CalDAV/CardDAV/VTODO orchestration

[PhilflowIO]

What is dav-mcp?

An MCP server that turns calendars, contacts, and task lists into AI-orchestrated systems — across any platform that implements the DAV standard.

Instead of building separate integrations for every provider, dav-mcp uses the open CalDAV/CardDAV protocols. One server connects to Nextcloud, Baikal, Radicale, Fastmail, Synology, and any other standards-compliant DAV provider.

What sets it apart

• Platform-independent — one server reaches any DAV-compliant provider. No vendor lock-in.
• Field-agnostic updates — agents can read and write any property from the RFC specs (5545/6350), including custom X-* extensions. The protocol is the limit, not the implementation.
• Server-side filtering — CalDAV/CardDAV queries push filtering to the server for efficient data retrieval
• 26 production-ready tools — full CRUD for events, contacts, and todos
• Two transports — STDIO (Claude Desktop, Cursor) and Streamable HTTP (n8n, cloud agents)

Links

• npm: dav-mcp — npx dav-mcp
• GitHub: https://github.com/PhilflowIO/dav-mcp

[olaservo]

Thanks for contributing to the MCP servers repo!

We've retired the third-party server list from the README in favor of the MCP Registry — see #3950 for context. The Official Integrations and Community Servers sections no longer exist in the README, so this PR no longer has a target.

Going forward, please publish your server to the MCP Registry using the quickstart guide:
https://github.com/modelcontextprotocol/registry/blob/main/docs/modelcontextprotocol-io/quickstart.mdx

That's where server discovery now happens. Thanks for building on MCP!

---

Note: I'm working through the backlog with help from Claude Code to give everyone a prompt response.