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91,174 servers. Updated
20 Best Email MCP Servers: compared and ranked, September 2026Ranked from 2,467 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    A
    quality
    B
    maintenance
    Enables AI assistants to search, read, draft, and send Gmail messages, as well as manage labels and trash using natural language.
    18
    31 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Provides IMAP and SMTP capabilities, enabling developers to manage email services with seamless integration and automated workflows.
    18
    2,684 PyPI
    335
    BSD 3-Clause
  • A
    license
    A
    quality
    B
    maintenance
    A local MCP server that provides Gmail tools (search, read, send, draft, label management) while keeping your emails only between your machine and Google, with no third-party access.
    6
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    It enables AI assistants to search, read, and draft email in a Gmail inbox, and at the highest access level to send mail and reorganize labels, archive, or trash messages. Access is gated behind three levels — read-only by default, drafts-only, and full — so the model is only offered the tools its configured level permits.
    5
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    gmail-mcp is a remote MCP server that exposes Gmail as a set of tools — search, read, label, draft, send — over streamable HTTP with OAuth 2.1. It runs on Cloudflare Workers under your own domain.
    105 npm
    8
    MIT
  • A
    license
    A
    quality
    A
    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
    1
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Hosted email MCP server for AI agents. Connect Gmail or any IMAP/SMTP mailbox (Fastmail, iCloud, Yahoo, Zoho, Yandex) to Claude, ChatGPT, Cursor and any MCP client to read, search, send, organize, schedule and auto-triage email. Mail is fetched live and never stored.
    23
    8
    AGPL 3.0
  • A
    license
    A
    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.
    3
    262
    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
    27 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Professional Proton Mail management with 20+ tools, advanced analytics, and seamless Proton Bridge integration.
    96
    5,719 npm
    45
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    A multi-service email platform for MCP-compatible clients that supports standard email providers, transactional APIs, and local testing environments. It enables users to send and receive emails, monitor service health, and integrate with messaging webhooks like Slack and Discord through natural language commands.
    10
    2
    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
    192 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    MCP server for SentVia that provides email infrastructure for AI agents, enabling them to create inboxes, send, reply, forward, search messages, manage drafts, domains, webhooks, and allow/block rules through 21 tools.
    21
    25 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables read-only search and retrieval of your email across multiple IMAP accounts through a local notmuch index, served over authenticated HTTP for MCP clients like Claude or Codex.
    11
    15
    MIT