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116,802 servers. Updated
20 Best GitHub MCP Servers: compared and ranked, November 2026Ranked from 2,153 matching servers on stars, growth, downloads and maintenance. Updated .

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  • F
    license
    A
    quality
    D
    maintenance
    Find email addresses for people at companies and verify email validity using the Hunter.io API.
    2
    -
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables finding B2B leads with verified work emails, finding and verifying email addresses, and running cold email outreach from any MCP client.
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables MCP-compatible assistants and coding agents to run privacy-preserving readings on pairs of people from their emails, returning per-area color signals, predictions, changes, contextual notes, and a sealed record for continuity.
    Apache 2.0
  • A
    license
    Not graded
    quality
    C
    maintenance
    Connects Claude to on-premises Exchange via EWS and Active Directory, enabling natural-language meeting-room booking, free/busy checks, calendar management, email handling, and org-chart-aware scheduling with OIDC-authenticated impersonation.
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables MCP clients to exchange an MCP-audience token for a Microsoft Graph token and call Graph as the signed-in user, with tools for identity verification and recent mail access.
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables finding a person's email address from LinkedIn, GitHub, a name on a page, X, or YouTube, enriched with roles and company, and reopening previously found contacts with match details.
    Apache 2.0
  • A
    license
    A
    quality
    B
    maintenance
    Enables verification of email address lists through a chosen third-party service (ZeroBounce, NeverBounce, MillionVerifier, BounceBan, or Reoon), returning one normalized row per address with verdict and role, free, and disposable flags. It protects credits by skipping malformed or duplicate addresses and stopping runs on invalid keys or exhausted balances.
    1
    274 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Let AI agents search and read your mail: on-premises Microsoft Exchange (EWS, no cloud API or admin setup) and any IMAP mailbox, tested on Mail.ru and Gmail. Text inside PDF, Office and ZIP attachments is searchable in Russian and English. Runs from a local copy, and read-only is enforced at the protocol level.
    9
    Apache 2.0
  • A
    license
    A
    quality
    D
    maintenance
    A read-only MCP server that lets Claude Desktop interact with Apple Mail on macOS via AppleScript. It enables listing mailboxes, searching emails, and reading email content without making network calls.
    3
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Reads and searches local email archives (.mbox or .eml) with full MIME parsing, enabling queries about senders, subjects, dates, and bodies while keeping all data on your machine.
    3
    162 npm
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables Gmail label management with tools to list, create, delete labels, and modify labels on messages and threads, handling OAuth2 authentication automatically.
    7
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables reading replies, bounces, unsubscribes, meetings, interest changes, and LinkedIn replies from the user's own Instantly, Smartlead, HeyReach, and lemlist accounts, returning one flat row per event over a chosen time window. It is read-only and runs the polling work on Apify.
    1
    333 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    This MCP server bridges AI agents with Apple Mail on macOS, enabling email operations like reading, sending, drafting, searching, and scheduling through natural language, with added features like stable draft IDs and confirmation-gated sending.
    61
    18 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Giggal.ai is an email verification tool that runs a deep mailbox existence check on every address and verifies catch-all/accept-all and even SEG protected emails. Your bounce rate stays under 5%, and the 30% of every B2B list that other tools flag as "Risky" becomes deliverable again.
    3
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables an AI agent to send files end-to-end encrypted, encrypting on the user's computer and keeping the download link key, password, and login away from the model.
    1
    508 npm
    AGPL 3.0
  • A
    license
    A
    quality
    B
    maintenance
    Unofficial, local-first MCP server for Proton Mail via Proton Bridge. Read, search and draft from Claude, ChatGPT, Cursor, Codex and more. Nothing is sent without your one-time approval token. Runs only on your machine. Not affiliated with Proton AG.
    22
    Apache 2.0
  • A
    license
    A
    quality
    A
    maintenance
    Renders markdown into email-safe HTML that holds up in Outlook and Gmail, lints drafts for deliverability problems, and returns a live preview link. Also serves the emailmd syntax reference so an assistant can look up directives on demand.
    3
    1,386
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables searching active eBay listings, inspecting exact item results, and checking connection configuration, with optional private Gmail seller-notice briefs generated on the assistant host.
    3
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    An MCP server that provides programmatic access to Apple Mail, enabling AI assistants like Claude to read, send, search, and manage emails on macOS.
    25
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Access 5+ ATXP agent tools via MCP: web search, AI image generation, email, and music generation. Free tier with pay-per-use Pro tier via x402 micropayments (USDC on Base mainnet).
    5
    MIT
  • F
    license
    A
    quality
    B
    maintenance
    Enables reading and searching emails in Microsoft Outlook classic on Windows via COM, with tools for listing folders, searching mail, reading messages and threads, and extracting attachments.
    5
    -
  • A
    license
    A
    quality
    D
    maintenance
    A minimal MCP server for sending plain-text emails and managing Gmail user labels over stdio, using only gmail.send and gmail.labels OAuth scopes.
    4
    608 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    An MCP server that enables LLMs to search, fetch, and act on Google Workspace (Drive, Gmail, Docs, Sheets, etc.) with rich, one-call results and file deposits to disk, reducing context usage.
    3
    MIT