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107,930 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
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    A Model Context Protocol service for comprehensive email management that supports multiple email providers, with complete functionality for viewing, organizing, and batch processing emails.
    10
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  • A
    license
    A
    quality
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    maintenance
    Enables AI agents to send emails via Microsoft 365/Office 365 using app-only authentication and Microsoft Graph API, supporting HTML content, attachments, and CC/BCC.
    2
    MIT
  • F
    license
    A
    quality
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    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
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  • A
    license
    A
    quality
    A
    maintenance
    Enables sending and receiving email over generic IMAP and SMTP, with tools for searching, reading, drafting, attaching files, managing folders, and waiting for new messages.
    11
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables read-only, provider-agnostic email access over IMAP, allowing users to list folders, search and read messages, and download attachments without ever marking messages as read.
    6
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Agent-native cold-email infrastructure providing ~12 high-level tools for domain setup, mailbox provisioning, campaign launch, inbox management, and metrics, all operated via MCP or CLI.
    28
    MIT
  • F
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    A lightweight Model Context Protocol (MCP) server that enables your LLM to validate email addresses. This tool checks email format, domain validity, and deliverability using the AbstractAPI Email Validation API. Perfect for integrating email validation into AI applications like Claude Desktop.
    1
    4
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  • A
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    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
    834 npm
    266
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables finding and verifying work emails for contacts through a waterfall of provider keys, with per-provider cost attribution and verification after each finder.
    1
    219 npm
    MIT
  • A
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    A
    quality
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    maintenance
    Create disposable email inboxes, extract OTP codes in 15 languages, and receive webhooks — all from your AI agent. One call: create inbox → wait for email → get the verification code. Supports 7 domains, email forwarding, and HMAC-signed webhooks with OTP included in payload. Free tier available.
    8
    9 npm
    MIT
  • A
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    A
    quality
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    maintenance
    Programmatic email deliverability testing for AI agents. Create inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex — get per-provider placement (Inbox/Spam/Promotions), SPF/DKIM/DMARC auth, Rspamd & SpamAssassin verdicts, DNS health (MX, PTR, DNSBL), and live SSE results.
    5
    31 npm
    2
    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
    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
    21 npm
    MIT