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85,457 servers. Updated
20 Best GitHub MCP Servers: compared and ranked, September 2026Ranked from 1,553 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    A
    quality
    B
    maintenance
    Enables pushing enriched leads into Instantly or Smartlead campaigns with ICP score gating, deduplication, and dry-run previews via an Apify actor.
    1
    153
    MIT
  • 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
    One-pass agentic inbox triage as an MCP server: fetch unread Gmail → classify (action_needed/fyi/newsletter/noise) → summarize → extract tasks → draft replies as Gmail DRAFTS (never sends) → flag calendar → write a triage report. Four stdio tools (fetch_emails, save_gmail_draft, append_tasks, write_report); the host is the LLM, so it runs keyless in Claude Code. Gmail scopes: readonly + compose
    4
    2
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables LLMs to access candidate information including resume, LinkedIn, GitHub, and contact via email.
    28
    81
    MIT
  • F
    license
    Not graded
    quality
    C
    maintenance
    An authenticating proxy that bridges Google's remote Gmail MCP server with OAuth token refresh, letting MCP clients use static credentials to access Gmail.
    -
  • A
    license
    A
    quality
    B
    maintenance
    Sift enables AI assistants to search all of Apple Mail locally at high speed, including bodies and PDFs, returning collapsed threads with quoted replies removed, without sending data anywhere.
    10
    8
    MIT
  • F
    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
    -
  • A
    license
    A
    quality
    C
    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
    141
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables any MCP-compatible AI agent to send WhatsApp messages, SMS, OTP codes, and email through a single REST API.
    18
    MIT
  • 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
    264
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    A secure email gateway MCP server that protects AI agents from prompt injection attacks by scanning emails for malicious instructions before they reach the agent.
    7
    4
    Apache 2.0
  • A
    license
    A
    quality
    B
    maintenance
    Enables macOS users to programmatically read, send, search, and manage Apple Mail messages, including drafts, mailboxes, attachments, rules, and templates.
    25
    MIT
  • F
    license
    A
    quality
    C
    maintenance
    Enables GitHub Copilot to read and search multiple Google accounts, create unsent Gmail drafts, and manage Google Calendar events with explicit account selection and authenticator-backed approvals for risky writes.
    18
    -
  • 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
    73
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    MCP server that gives Claude and other MCP hosts full access to Mail.app on macOS — search, read, send, reply, flag, move, and more across all accounts configured in Mail.app.
    24
    68
    1
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Deprecated MCP server wrapper for ms365-email-cli that exposes Microsoft 365 email operations (list, read, send, reply, search, etc.) as MCP tools. Use the main ms365-email-cli package instead, which now includes built-in MCP server support.
    10
    14
    ISC
  • A
    license
    A
    quality
    B
    maintenance
    MCP server that enables email management (send, read, search, delete, etc.) via IMAP/SMTP, compatible with Gmail, Outlook, Yahoo, iCloud, and other standard mail servers.
    11
    MIT