Mailbox.org is a secure email service from Germany that offers encrypted communications and online office solutions with a focus on privacy and data protection.
Enables Claude and other MCP clients to read, write, validate, activate, and manage server-side mail filtering rules over ManageSieve. It provides safe updates with validation, dry-run diffs, backups, and shared encrypted account configuration.
15
MIT
Why this server?
Provides email management for mailbox.org accounts, including searching, reading, drafting, and optionally sending and organizing messages.
Email MCP server for any IMAP mailbox, Outlook and Microsoft 365 included through browser sign-in. Search, read and draft with every message fenced as untrusted input, warnings for hidden text, lookalike letters and injected instructions, and sending locked to an allowlist.
6
332 npm
4
MIT
Why this server?
Allows managing mailbox.org email accounts via IMAP, enabling operations such as searching, reading, sending, moving, and deleting emails, as well as folder management.
Enables Claude to interact with email accounts via IMAP and SMTP, providing tools for searching, reading, sending, and managing emails across multiple providers.
40
1,044 npm
127
MIT
Why this server?
Allows connecting to mailbox.org email accounts via IMAP to archive, encrypt, and search emails.
Zero-trust encrypted email archiving and search MCP server with real-time IMAP IDLE ingestion, AES-256-GCM encryption, SQLite FTS5 full-text search, and Obsidian vault export, exposing tools for AI assistants to search, retrieve, and manage emails.
7
2
MIT
Why this server?
Allows managing mailbox.org calendars over CalDAV, including listing calendars and events, searching events, checking free/busy availability, creating and updating events, and responding to invitations.
Enables MCP clients to interact with CalDAV calendars, letting users view schedules, find free time, create and update events, manage tasks and dated notes, and respond to invitations on their own server.
22
349 npm
2
MIT
Why this server?
Supports reading and writing contacts in a mailbox.org CardDAV address book, including listing, searching, creating, updating, and managing groups and contact photos.
Enables AI assistants to read, search, sort, draft, and send email from connected mailboxes through MCP tools, with access controlled by per-token permissions.
18
2
MIT
Why this server?
Provides full CRUD operations on calendar events, free/busy, and availability-finding for mailbox.org calendars.
Enables full CRUD operations on calendar events, free/busy queries, and availability slot finding via CalDAV, supporting Nextcloud, Radicale, iCloud, and other RFC 4791-compliant servers.
