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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
    An MCP service that enables AI to fully manage email accounts, supporting sending emails with attachments and multiple recipients across various email providers.
    7
    1,018 npm
    92
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    A stdio MCP server exposing a validate_emails tool that lets agents screen email lists without sending mail or probing SMTP, checking syntax, DNS/MX records, disposable domains, role accounts, free providers, typo suggestions, and SPF/DMARC. Each address comes back with a valid/risky/invalid/unknown verdict plus machine-readable reason codes so agents can clean leads and signups before outreach or import.
    2
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables real-time email verification via MCP tools, checking syntax, MX, disposable domains, and optional SMTP probe to determine deliverability with a VALID/RISKY/INVALID verdict.
    2
    10 npm
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Finds and verifies business email addresses using DNS/SMTP verification and web scraping, with no external API costs.
    5
    38 npm
    12
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables freelancers to create, store, render, and manage service agreements with scope, deliverables, rate, termination, liability, and signature blocks, including a before-send checklist and clause library.
    9
    0
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    MCP server for disposable email — create inboxes, receive emails, and extract OTP codes. Let your AI agent sign up for services, wait for verification emails, and extract codes autonomously.
    7
    64 npm
    1
    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.
    32
    62
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Connects AI assistants to Jira Service Management instances, providing 40 tools for managing service desks, requests, comments, customers, organizations, queues, SLA, approvals, and attachments.
    40
    1
    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
    4
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Local MCP server for multi-account IMAP/SMTP email (iCloud + Gmail via app-specific passwords). Never marks mail read. Cross-folder search, idempotent sends, TLS verified.
    8
    23 PyPI
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables agents to search, read, and draft email over IMAP and SMTP, including attachments and OAuth, with sending disabled by default and restricted to allowlisted recipients when enabled.
    6
    Apache 2.0
  • A
    license
    A
    quality
    F
    maintenance
    Provides full email management for Yahoo Mail via IMAP, including listing, reading, searching, deleting, archiving, and flagging emails.
    11
    29
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables AI assistants to review unread emails and perform email management operations like delete, archive, and label through Gmail integration.
    7
    Apache 2.0
  • A
    license
    A
    quality
    B
    maintenance
    The most complete Resend MCP server — full coverage of the Resend API (emails, domains, contacts, broadcasts, templates, segments, topics, webhooks, logs) plus a unique debug/diagnostics layer no other Resend MCP offers: deliverability analysis, DNS troubleshooting, email lifecycle inspection, bounce explanation, and account auditing. Works with Claude Code, Cursor, Claude Desktop, and any other
    75
    63 npm
    1
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables agents to validate email addresses through RFC 5321 syntax checks, MX record lookups, a 182,000-domain disposable blacklist, role-account detection, and an optional SMTP handshake. Runs locally via npx or as a hosted HTTP endpoint, returning explainable per-check scores at zero per-lookup API cost.
    4
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Connects any MCP client to a Yahoo mailbox over IMAP for reading, searching, organizing, and batch managing messages and folders. It also supports downloading attachments and creating or revising drafts, never sending email.
    15
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Provides real-time stock market data and analysis from Chinese markets through 34 MCP tools, including K-line charts, technical indicators, fundamental analysis, financial metrics, and market insights without requiring authentication or API tokens.
    34
    56
    MIT
  • A
    license
    B
    quality
    A
    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
    B
    quality
    A
    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
    19
    MIT
  • 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
    B
    quality
    C
    maintenance
    Enables secure email thread and message search, reading, drafting, sending, labeling, attachment handling, and reversible trash/restore operations through MCP tools, with sanitized untrusted message context, recipient safeguards, and JSONL audit logging.
    43
    MIT
  • A
    license
    B
    quality
    A
    maintenance
    Enables multi-account email management with AI-powered monitoring, intelligent filtering, and automated notifications across multiple platforms including Gmail, Outlook, QQ Mail, and 163 Mail.
    29
    48
    MIT
  • A
    license
    B
    quality
    B
    maintenance
    It enables AI agents and CI to run profile-driven SOAP/REST service tests with automatic login/session handling, test-customer locking, masked transaction-log/HAR catalog import, and cross-environment scenario execution.
    17
    MIT
  • A
    license
    B
    quality
    D
    maintenance
    An MCP server that enables LLMs to compose and send emails with attachments, and search for files in directories by pattern.
    2
    5
    MIT