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83,236 servers. Updated
20 Best Email MCP Servers: compared and ranked, September 2026Ranked from 2,148 matching servers on stars, growth, downloads and maintenance. Updated .

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  • 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.
    4
    393
    10
    MIT
  • 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.
    30
    73
    MIT
  • A
    license
    A
    quality
    D
    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
    34
    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
    87
    MIT
  • F
    license
    A
    quality
    D
    maintenance
    Lets AI tools send transactional emails, check status, and manage contacts through the Model Context Protocol.
    2
    -
  • A
    license
    B
    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
    16
    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
    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.
    6,700
    6
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    An MCP server exposing every documented Email on Acid API v5 request as a tool — 24 tools across authentication, email client lists, email rendering testing, and spam testing.
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    A multi-channel messaging MCP server that sends messages through Slack, Telegram, Email (Gmail, Naver, Microsoft Graph API), KakaoTalk, and Discord.
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    A unified MCP server that provides OAuth-enabled integrations for multiple services through a single deployment. Currently supports Slack with 47 tools, with plans to expand to Gmail, Google Calendar, Notion, and 100+ other integrations.
    6
    MIT
  • A
    license
    Not graded
    quality
    B
    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.
    259
    MIT
  • F
    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.
    4
    -