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87,318 servers. Updated
20 Best Email MCP Servers: compared and ranked, September 2026Ranked from 2,238 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    Not graded
    quality
    B
    maintenance
    An MCP server that connects Claude to a personal Microsoft Outlook mailbox via Microsoft Graph, providing tools for mail, calendar, contacts, tasks, and settings with a strong security model.
    86 npm
    MIT
  • F
    license
    Not graded
    quality
    C
    maintenance
    Enables to manage your Outlook mailbox via Microsoft Graph (write access) with delegated permissions, providing MCP tools to create, modify, and send emails, folders, categories, rules, and automatic replies.
    -
  • A
    license
    A
    quality
    C
    maintenance
    Gives an AI assistant read- and draft-only access to a single personal Microsoft mailbox, letting it search, list and read mail, browse folders, save attachments to a jailed directory, and create new or reply drafts. It requests no send scope, so mail can never be sent, deleted, moved or marked, and calendar, contacts and files are untouched.
    6
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Renders markdown into email-safe HTML that holds up in Outlook and Gmail, lints drafts for deliverability problems, and returns a live preview link. Also serves the emailmd syntax reference so an assistant can look up directives on demand.
    3
    1,371
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables AI assistants to manage Microsoft 365 services like Outlook, Calendar, OneDrive, and Contacts through natural language commands, with support for multi-account and high-performance caching.
    85
    MIT
  • A
    license
    B
    quality
    A
    maintenance
    Enables multi-account email management with AI-powered monitoring, intelligent filtering, and automated notifications across multiple platforms including Gmail, Outlook, QQ Mail, and 163 Mail.
    29
    42
    MIT
  • A
    license
    B
    quality
    C
    maintenance
    Enables interaction with Microsoft Outlook services (Tasks, Calendar, Email, Contacts, and Teams) via the Microsoft Graph API, providing 39 tools for Claude Desktop with natural language and JSON output.
    39
    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
    B
    quality
    B
    maintenance
    Enables MCP-compatible AI clients to securely read a user's Microsoft 365 data across Outlook, Calendar, Teams, meetings, OneNote, SharePoint, OneDrive, Loop, and Search, and to send Outlook email only after explicit user confirmation.
    103
    -
  • A
    license
    Not graded
    quality
    D
    maintenance
    Model Context Protocol servers for Microsoft 365, enabling AI assistants to interact with Calendar, Contacts, OneDrive, Outlook, and SharePoint via the Microsoft Graph API.
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables multiple users to securely connect their own Microsoft 365 account and use natural language to manage Outlook mail, Teams, and SharePoint/OneDrive files through Microsoft Graph, with support for shared mailboxes and admin governance.
    MIT