Self-hosted MCP servers with OAuth client_credentials auth.
Each server connects to a different backend:
- Mail: reads Maildir IMAP backups
- Calendar/Tasks: CalDAV against Radicale
- Contacts: CardDAV against Radicale
- Files: WebDAV against oCIS
- Notes: Joplin REST API
Credentials externalized to config.json (not in repo).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Stefan Lohmaier