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20 Best Email MCP Servers: compared and ranked, November 2026Ranked from 3,360 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    B
    quality
    B
    maintenance
    MCP server that tells AI assistants when a Mercedes-Benz is due for Service A or B, explains what each service covers, gives cautious guidance on common warning lights, and shares contact details for SilberArrows, an independent Mercedes-Benz specialist in Al Quoz, Dubai.
    4
    10 npm
    MIT
  • 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.
    23 npm
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, schedule, and organize email across multiple IMAP/SMTP accounts, including drafts, provider-aware labels, real-time inbox watching, verification-code capture, and analytics. Supports OAuth2, calendar extraction, and both local stdio and networked Streamable HTTP access.
    23 npm
    ISC
  • A
    license
    A
    quality
    B
    maintenance
    A self-hosted MCP server that provides secure access to iCloud Mail, Calendar, and Contacts, enabling agents to read and send email, manage calendar events, and search contacts with safety controls like approval for outgoing messages.
    50
    67 PyPI
    5
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables AI agents to read and send email, handle attachments and manage calendar invitations through their own IMAP/SMTP mailboxes, with per-mailbox sender and recipient allow lists and automatic HTML-to-Markdown conversion. It runs as a single self-hosted Docker container, exposing the same tools over MCP and REST.
    2
    15
    13
    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
    B
    maintenance
    Lets Claude read email and read/write calendar events for personal Microsoft accounts (Hotmail/Outlook/Live) via Microsoft Graph API, filling the gap where the official connector only supports work/school accounts.
    6
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    A privacy-first MCP server for inbox triage, enabling masked email reading, calendar upsert, reply drafting, and Slack digests using Google and Slack credentials.
    10
    MIT
  • A
    license
    A
    quality
    D
    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
    1,293 npm
    LGPL 3.0
  • A
    license
    A
    quality
    C
    maintenance
    Enables Claude to manage a service business front desk by searching customers, checking real-time availability, creating and canceling appointments without double-booking, and generating revenue reports from actual data.
    9
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables MCP-enabled AI clients to access Microsoft 365 operated by 21Vianet (China) through Microsoft Graph, supporting email, calendar, OneDrive, SharePoint, Teams, contacts, search, and intelligent aggregation with delegated permissions and OAuth 2.1.
    16
    89
    Apache 2.0
  • 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.
    29
    987 npm
    30
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    MCP server for iCloud integration, providing tools for managing calendars, contacts, and email.
    24
    13
    MIT
  • 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
    Enables Claude to connect unlimited Gmail and IMAP mailboxes, search and triage them together while identifying each account, read attachments, and create drafts or perform permitted mailbox actions under configurable safety modes.
    23
    362 npm
    1
    MIT
  • A
    license
    A
    quality
    D
    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
    11 npm
    1
    Apache 2.0
  • A
    license
    A
    quality
    C
    maintenance
    Self-hosted MCP server that exposes Synology Drive, Spreadsheet, MailPlus, and Calendar as structured tools for AI agents, enabling file, spreadsheet, email, and calendar management via natural language.
    39
    8 npm
    11
    MIT
  • 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
    C
    maintenance
    MCP server for any Microsoft Exchange / OWA deployment. Gives LLM agents access to email, calendar, directory search, folders, availability, and meeting analytics via 30 tools.
    30
    46 PyPI
    12
    MIT
  • F
    license
    A
    quality
    C
    maintenance
    Enables local automation of classic Outlook for Windows via COM, allowing email search, folder listing, calendar leave block creation, and contact/recipient management without needing cloud APIs or admin approval.
    8
    -