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91,042 servers. Updated
20 Best Email MCP Servers: compared and ranked, September 2026Ranked from 2,467 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.
    19 npm
    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
    924 npm
    LGPL 3.0
  • A
    license
    A
    quality
    C
    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
    3
    MIT
  • A
    license
    Not graded
    quality
    F
    maintenance
    A Model Context Protocol tool that enables Claude to interact with Microsoft Outlook for macOS, allowing users to read/send emails, manage calendar events, and access contacts through natural language commands.
    97 npm
    46
    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 npm
    131
    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
    -
  • F
    license
    Not graded
    quality
    B
    maintenance
    Enables reading, converting, and managing email messages, calendars, and contacts, along with mail account folder/thread operations and personal name parsing/formatting, via typed MCP tools.
    -
  • A
    license
    Not graded
    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.
    AGPL 3.0
  • F
    license
    Not graded
    quality
    B
    maintenance
    Enables AI agents to access multiple Gmail/Google Workspace accounts for searching and reading mail, calendars, and attachments.
    -
  • A
    license
    A
    quality
    B
    maintenance
    MCP server for a self-hostable personal planner — exposes memo, todo, calendar event, and cross-resource full-text search tools so Claude, Cursor, or any MCP client can manage your schedule and notes in natural language.
    18
    1
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables AI assistants to interact with Fastmail services, providing tools for comprehensive email management, contact searching, and calendar event coordination via the JMAP API. It supports advanced features like threaded conversations, attachment handling, and bulk mailbox operations through natural language.
    28
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables agents to interact with a clinic booking API, including listing specialties, doctors, and a patient's appointments, and booking or cancelling appointments when the active profile permits, while preserving the caller's authority and screening tool descriptions for safety.
    3
    MIT