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81,811 servers. Updated
20 Best GitHub MCP Servers: compared and ranked, September 2026Ranked from 1,495 matching servers on stars, growth, downloads and maintenance. Updated .

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  • 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
    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
    85
    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
    Official MCP server for Shipmail, enabling agents to manage domains, mailboxes, messages, threads, webhooks, and suppressions via natural language.
    100
    305
    1
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    MCP server for SpamTitan email security — manage quarantine, allowlists, blocklists, and view email stats
    9
    Apache 2.0
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables LLMs to access candidate information including resume, LinkedIn, GitHub, and contact via email.
    32
    81
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    An MCP server for EmailJS that enables AI agents to send emails, validate configurations, and query email history through natural language.
    3
    16
    2
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    MCP server that converts .eml email exports (Gmail, Outlook, and other archives) into clean Markdown with YAML front matter — splitting reply threads, stripping signatures and quoted history, extracting attachments, and parsing calendar invites. Built for feeding archived email into RAG and LLM pipelines.
    4
    7
    PolyForm Noncommercial 1.0.0
  • A
    license
    B
    quality
    A
    maintenance
    A local-first open-source MCP server that acts as a personal secretary, memory manager, and automation hub—it syncs Calendar, Gmail, Canvas, GitHub, and Health into a typed temporal memory graph, and enables approval-gated write actions like creating events, drafting/sending mail, and filing issues, all with telegram/slack/CLI interfaces and a SQLite-backed audit trail.
    33
    Apache 2.0
  • A
    license
    C
    quality
    A
    maintenance
    Your real mailbox and calendar for your AI agent — Microsoft 365 via Graph or any IMAP — as 24 tools: read, search, attachments as text, sender history, drafting from identity and knowledge files, free-slot computation. Send, reply, delete and calendar writes need out-of-band human approval: the agent cannot approve its own actions.
    24
    4
    AGPL 3.0
  • A
    license
    Not graded
    quality
    A
    maintenance
    Provides a self-hosted shared email workspace with team access controls, multi-domain support, drafts, audit history, and an OAuth-protected MCP server, all running on your own Cloudflare infrastructure.
    317
    AGPL 3.0
  • A
    license
    Not graded
    quality
    D
    maintenance
    MailKite offers email sending and receiving for agents at your domain or free inboxes Create inboxes for your agent Send emails from your agent Receive emails to your webhook Receive emails to your agent
    128
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Connects AI agents to self-hosted Stalwart mail servers via a Cloudflare Worker and JMAP, enabling mailbox search, reading, listing, and two-step draft-and-send email operations through MCP.
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Exposes an iCloud Mail account through IMAP/SMTP as MCP tools, enabling Claude to read, search, sort, reply to, and archive email from a conversation.
    37
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables MCP-compatible LLM clients to manage a Listmonk instance end-to-end through its full REST API, covering subscribers, campaigns, lists, templates, media, bounces, imports, settings, transactional messages, and admin functions, with selective tool loading for a leaner context.
    550
    1
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables AI clients like Cursor to send emails via Resend, supporting multiple recipients, subjects, and HTML bodies, with configuration through environment variables.
    2,013
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    MCP server for the big-mailer self-hosted email platform, exposing 93 tools to manage subscribers, consent, sequences, broadcasts, segments, and Stripe reconciliation via natural language.
    1
    MIT