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108,273 servers. Updated
19 Best Email MCP Servers: compared and ranked, October 2026Ranked from 3,021 matching servers on stars, growth, downloads and maintenance. Updated .

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  • F
    license
    A
    quality
    B
    maintenance
    Enables MCP clients to validate email addresses locally before sending or saving them, detecting typos, disposable domains, dead domains, bad syntax, role addresses, duplicates, and provider information.
    2
    -
  • A
    license
    A
    quality
    A
    maintenance
    Search, document and execute authenticated API calls across all your apps (Gmail, Slack, Stripe, Notion, GitHub, and more) through 4 universal tools whose context footprint stays constant no matter how many connections you add. Hosted remote server with OAuth at https://mcp.withone.ai/mcp, or run locally via npx @withone/mcp.
    3
    133 npm
    11
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Read and write email through the Atomic Mail from an AI agent. Handles proof-of-work authentication and JMAP so the agent thinks in JMAP method calls. Use when the user asks to register an email inbox, list mailboxes, fetch or send email.
    3
    718 npm
    266
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Open-source privacy and approval gateway between AI assistants and your business systems (MCP): human approval, local PII checks and audit for Gmail, Drive, Slack, Salesforce, Jira and more.
    164
    516 PyPI
    1
    Apache 2.0
  • A
    license
    A
    quality
    A
    maintenance
    Sendmux is an email inbox API and email API for AI agents. Use this MCP server to let authorised agents work with Sendmux mailboxes, inbound email, clean JSON parsing, webhooks, outbound sending, provider routing, logs, billing, and team controls.
    32
    65
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    通过IMAP和SMTP协议实现邮箱读写操作,支持腾讯企业邮箱,可收发邮件、管理文件夹和搜索邮件。
    5
    26 npm
    1
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables connecting your own Gmail or SMTP mailbox and managing email through tools for sending, replying, searching, reading threads, and creating drafts.
    8
    Apache 2.0
  • A
    license
    A
    quality
    B
    maintenance
    Enables AI agents to send, receive, and reply to email through dedicated thread-aware mailboxes, with sandbox testing and compatibility across MCP clients.
    9
    15 npm
    MIT
  • A
    license
    A
    quality
    F
    maintenance
    Lets AI tools send transactional emails, check status, and manage contacts through the Model Context Protocol.
    2
    MIT
  • A
    license
    B
    quality
    B
    maintenance
    Official MCP server for Ballast: connect AI agents to manage cold email campaigns, deliverability warmup, lead lists, and inbox replies.
    30
    1
    MIT
  • A
    license
    C
    quality
    A
    maintenance
    Agent email with recipient allowlist and consent before send. For personal and small-team OpenClaw/Hermes operators. Free to try; Starter $9.99 in-app. Not for cold-outbound fleets. Not an official OpenClaw endorsement.
    22
    38 npm
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables AI agents to read, search, draft, send and organize Gmail through scoped credentials, guardrails and signed webhooks or an event feed, with real-time notifications of new mail.
    1
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    This read-only MCP Server allows you to connect to Email data from Claude Desktop through CData JDBC Drivers. Free (beta) read/write servers available at https://www.cdata.com/solutions/mcp
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Token-optimized unified MCP server for Gmail and Microsoft 365, enabling email, calendar, and contact management with up to 70% token savings via TOON format.
    5
    PolyForm Noncommercial 1.0.0
  • A
    license
    Not graded
    quality
    B
    maintenance
    Private remote HTTP MCP server that provides a unified endpoint to interact with Google Workspace services (Drive, Sheets, Gmail, Calendar, Docs, Forms) and other toolkits through the Composio provider layer.
    2,904 npm
    6
    MIT