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111,545 servers. Updated
20 Best Email MCP Servers: compared and ranked, October 2026Ranked from 3,203 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    A
    quality
    A
    maintenance
    Self-hosted, multi-account Gmail MCP server for Claude and Codex over Streamable HTTP, with explicit account aliases, owner-only OAuth, and encrypted credential storage. Supports searching and reading email, creating drafts, and optional sending and label changes.
    2
    9
    4
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    MCP server that gives an AI assistant simultaneous access to multiple Gmail accounts with per-account read-only, draft, or send tiers, two-phase write confirmation, and safeguards for handling untrusted email content.
    10
    11 npm
    1
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Local-first Gmail MCP server using PKCE + loopback OAuth flow that stores refresh tokens in the OS keychain, enabling secure read/write Gmail access via MCP tools without tokens leaving the device.
    20
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    A privacy-focused MCP server that grants Claude read-only access to Gmail using strict, user-defined filters to control which emails are exposed. It enables searching and fetching email metadata while ensuring data security through OAuth and localized filter enforcement.
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables account-isolated, read-only access to a chosen Gmail account for searching mail, retrieving message and thread content, downloading attachments, and listing labels. It verifies the actual Google OAuth grant and account before starting and emits ready-to-use Codex or JSON MCP client configuration.
    MIT
  • F
    license
    Not graded
    quality
    B
    maintenance
    Enables sending emails via Gmail using SMTP and app passwords without OAuth. It provides a custom authorization flow and encrypted credential storage for multi-user access.
    -
  • F
    license
    A
    quality
    A
    maintenance
    An MCP server that sends plain-text Gmail messages only to a predefined allowlist, using generated recipient IDs instead of email addresses to enforce security.
    2
    1
    -
  • A
    license
    A
    quality
    A
    maintenance
    Enables AI agents to read and send email, handle attachments and manage calendar invitations through their own IMAP/SMTP mailboxes, with per-mailbox sender and recipient allow lists and automatic HTML-to-Markdown conversion. It runs as a single self-hosted Docker container, exposing the same tools over MCP and REST.
    2
    15
    12
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Checks email deliverability: audits a domain's SPF (including the 10-lookup limit), DKIM, DMARC and MX records with ranked fixes, checks a sending IP's reverse DNS and blocklist listings, and tests email headers against Gmail and Yahoo bulk sender requirements.
    3
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables an AI assistant to list, search, and read email over IMAP without marking messages as read, and to create and revise reply drafts that you review before sending. It runs with least privilege, keeping the app password in an OS keychain or password store and never sending, deleting, or moving anything.
    5
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables local access to multiple email accounts across Gmail OAuth, IMAP/SMTP, and Proton Mail Bridge, requiring an explicit account ID for each action. It supports listing folders, searching and reading messages, and preparing or sending mail while keeping credentials in the operating system credential store.
    8
    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.
    174
    857 PyPI
    1
    Apache 2.0
  • A
    license
    A
    quality
    C
    maintenance
    Enables ChatGPT and Codex to securely inspect a QQ Mail mailbox through read-only tools for identity, connection status, unread messages, search, and message reading. Uses OAuth 2.1/PKCE and IMAP without sending, deleting, moving, or marking mail.
    5
    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
    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.
    2,576 npm
    2
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables an MCP client to read, draft, organize, send, and delete email across multiple Gmail and Exchange Online/Outlook.com accounts, with per-account capability policies, recipient allowlists, confirmations, minimum OAuth scopes, and local audit logging.
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to search, retrieve, and send email across multiple ordinary IMAP, POP3, and SMTP mailboxes, with per-account permissions and safe sending checks.
    Apache 2.0
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables deployment of an MCP server on Cloudflare Workers with OAuth login, allowing remote invocation of tools like math operations from MCP clients.
    174 npm
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    An open-source MCP server that provides AI agents with secure access to read, search, and manage emails via Microsoft 365 and Gmail. It features security-first defaults like recipient allowlists and markdown content conversion to facilitate safe agent interaction with mailboxes.
    6
    Apache 2.0
  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables users to browse folders, list and search messages, read emails, and retrieve selected attachments through a private read-only MCP bridge with OAuth and safe HTML extraction.
    Apache 2.0