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81,811 servers. Updated
20 Best Email MCP Servers: compared and ranked, September 2026Ranked from 2,148 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    Not graded
    quality
    C
    maintenance
    MCP server for email + calendar via classic Outlook on Windows (COM automation). No Azure app registration, no OAuth — it just drives the Outlook desktop client you're already signed into.
    48
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    An MCP server providing comprehensive email capabilities via IMAP and SMTP, enabling AI assistants to read, search, send, manage, schedule, and analyze emails across multiple accounts.
    49
    5,599
    LGPL 3.0
  • A
    license
    A
    quality
    D
    maintenance
    Enables intelligent integration with Gmail and Google Calendar for context-aware email analysis, advanced searching, and personalized response drafting. It supports natural language interactions for managing communication history, detecting events in emails, and creating calendar entries.
    17
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Provides full access to Microsoft Outlook calendar and email through Claude Code by intercepting browser tokens from an existing signed-in Edge profile, eliminating the need for Azure app registration.
    24
    15
    1
    Apache 2.0
  • A
    license
    A
    quality
    C
    maintenance
    Enables interaction with Outlook Web through its internal API, supporting email search, folder listing, email retrieval, read state changes, calendar events, and reply drafts without Microsoft Graph or COM.
    7
    1
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Unofficial MCP server for accessing and managing TimeTree calendar data, including events, memos, and comments, with secure email/password authentication.
    18
    11
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables AI assistants to access Aruba email and calendar services through IMAP, SMTP, and CalDAV protocols. Users can list, search, and send emails with custom signatures, as well as manage calendar events and invitations.
    14
    2
    MIT
  • F
    license
    A
    quality
    B
    maintenance
    Enables full read/write control over Apple Mail.app and Calendar.app on macOS, exposing all configured accounts without per-provider setup.
    51
  • A
    license
    A
    quality
    A
    maintenance
    Enables AI agents to read and manage Microsoft 365/Outlook email and calendar, with destructive actions (send email, create event) requiring human approval.
    8
    MIT
  • A
    license
    B
    quality
    A
    maintenance
    Enables AI assistants to interact with Fastmail email, contacts, and calendars through JMAP API, supporting operations like sending emails, managing attachments, searching conversations, and organizing events.
    52
    76
    126
    MIT
  • A
    license
    B
    quality
    D
    maintenance
    A local MCP server that provides LLM clients with read/write access to email and calendar data from Gmail, iCloud, and generic IMAP providers. It runs entirely on your machine, keeping data private while enabling email management, calendar operations, and task handling through natural language.
    39
    MIT
  • A
    license
    B
    quality
    C
    maintenance
    Enables AI assistants to manage Microsoft Outlook email and calendar through the Microsoft Graph API, including reading, sending, searching emails, and handling calendar events.
    43
    114
    27
    MIT
  • 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.
    33
    91
    MIT
  • A
    license
    B
    quality
    A
    maintenance
    MCP server that gives AI agents direct access to Google services including Gmail, Calendar, Drive, and more, with multi-account OAuth support. Enables reading and sending email, managing calendar events, and interacting with Google files through natural language.
    60
    365
    1
    MIT
  • F
    license
    B
    quality
    B
    maintenance
    MCP server providing AI assistants with full access to Microsoft Outlook email and calendar via the Microsoft Graph API, featuring 26 tools for mail, calendar, contacts, and scheduling with delegated authentication.
    29