Google PageRank for AI agents. 25,000+ tools indexed.

Best MCP Servers for Communication in 2026

916 tools indexed · avg score 92.0 · sorted by AgentRank score

The AgentRank index tracks 916 communication tools. The top-ranked entry is ag2ai/ag2 at 98.0 points. Across the 10 shown here, the average AgentRank score is 92.0, and 10 had a commit in the last 30 days. The most common primary language is Python.

Communication MCP servers give AI agents the ability to send messages, notifications, and emails through popular platforms. These tools close the loop on automated workflows — when an agent finishes a task, it can notify stakeholders via Slack, post a Discord update, send an email, or trigger a webhook.

Coverage includes workspace messaging (Slack, Discord, Teams), email providers (SendGrid, Mailgun, SMTP), SMS/voice (Twilio), and generic webhook endpoints. Most communication MCP servers support both sending and reading — giving agents the ability to monitor incoming messages and respond to triggers.

The most important quality factor for communication tools is reliability at scale. A tool that works fine for one message but fails under load, rate-limits silently, or drops messages without errors is worse than useless in production. Check the issue tracker for reports of silent failures before committing to a tool.

Top 10 Communication MCP Servers

  1. #1
    ag2ai/ag2

    AG2 (formerly AutoGen): The Open-Source AgentOS.Join us at: https://discord.gg/sNGSwQME3x

    98.0
    Ranks here on adopted by 937 downstream projects and 5.0k GitHub stars, plus a commit within the last week.
    Dependents
    22.0
    Freshness
    20.0
    Issue health
    19.2
    Downloads
    13.0
    Stars
    10.0
    ★ 5.0k commit today Python 937 dependents
  2. #2
    Lifecycle-Innovations-Limited/claude-ops

    Business operating system for Claude Code — 57 skills, 21 agents, smart daemon. Unified inbox (WhatsApp/Email/Slack/Telegram), autonomous PR merge, full-AWS monitoring, revenue (Stripe+RevenueCat),...

    95.7
    Ranks here on 522 GitHub stars and a commit within the last week, plus 93% of issues closed.
    Freshness
    30.8
    Issue health
    28.7
    Stars
    13.9
    Contributors
    11.5
    Description
    6.2
    ★ 522 commit 1d ago Shell
  3. #3
    moltis-org/moltis

    A secure persistent personal agent server in Rust. One binary, sandboxed execution, multi-provider LLMs, voice, memory, Telegram, WhatsApp, Discord, Teams, and MCP tools. Secure by design, runs on...

    93.5
    Ranks here on 2.9k GitHub stars and a commit within the last week, plus 79% of issues closed.
    Freshness
    30.8
    Issue health
    24.2
    Stars
    15.4
    Contributors
    12.3
    Description
    6.2
    ★ 2.9k commit 3d ago Rust
  4. #4
    kagent-dev/kagent

    Cloud Native Agentic AI | Discord: https://bit.ly/kagentdiscord

    92.1
    Ranks here on 3.8k GitHub stars and a commit within the last week, plus 80% of issues closed.
    Freshness
    30.8
    Issue health
    24.7
    Stars
    15.4
    Contributors
    12.3
    License
    4.6
    ★ 3.8k commit today Go
  5. #5
    smixs/iva-agent

    AI assistant in Telegram that remembers everything and helps you run your life. Self-hosted in one command.

    92.0
    Ranks here on 219 GitHub stars and a commit within the last week, plus 94% of issues closed.
    Freshness
    30.8
    Issue health
    29.1
    Stars
    12.0
    Contributors
    11.2
    License
    4.6
    ★ 219 commit 1d ago TypeScript
  6. #6
    Wh1isper/mcp-email-server

    Full-featured, multi-account MCP email server for Windows, macOS, and Linux—read, search, organize, and send email via IMAP and SMTP.

    91.7
    Ranks here on 337 GitHub stars and a commit within the last week, plus 94% of issues closed.
    Freshness
    25.6
    Issue health
    24.1
    Downloads
    13.5
    Stars
    10.8
    Contributors
    10.3
    ★ 337 commit 3d ago Python
  7. #7
    lemonade-sdk/lemonade

    Lemonade helps users discover and run local AI apps by serving optimized LLMs right from their own GPUs and NPUs. Join our discord: https://discord.gg/5xXzkMu8Zk

    89.7
    Ranks here on 5.8k GitHub stars and a commit within the last week.
    Freshness
    30.8
    Issue health
    20.4
    Stars
    15.4
    Contributors
    12.3
    Description
    6.2
    ★ 5.8k commit today C++
  8. #8
    ErisPulse/ErisPulse

    Event-driven multi-platform bot framework with Dashboard, Docker, hot-reload & module marketplace | 事件驱动的多平台机器人框架 — 一次编写部署 QQ/Telegram/Kook/云湖/Matrix/邮件等 15+ 平台

    89.7
    Ranks here on a commit within the last week and 100% of issues closed.
    Freshness
    25.6
    Issue health
    25.6
    Downloads
    12.5
    Contributors
    9.3
    Stars
    7.5
    ★ 57 commit 2d ago Python
  9. #9
    ominiverdi/opencode-chat-bridge

    Bridge OpenCode, Ferrum, and other ACP-compatible agents to Matrix, Slack, Mattermost, WhatsApp, Discord, Telegram, and Web—with permission-based security.

    89.2
    Ranks here on a commit within the last week and 100% of issues closed.
    Issue health
    30.8
    Freshness
    30.7
    Stars
    10.4
    Contributors
    6.5
    Description
    6.2
    ★ 105 commit 7d ago TypeScript
  10. #10
    groupultra/telegram-search

    🔍 导出并模糊搜索 Telegram 聊天记录 | Export and fuzzy search your Telegram chat history

    88.4
    Ranks here on 4.1k GitHub stars and an active commit 24 days ago, plus 94% of issues closed.
    Issue health
    28.9
    Freshness
    24.5
    Stars
    15.4
    Contributors
    12.3
    Description
    4.3
    ★ 4.1k commit 23d ago TypeScript

More Communication MCP Servers

# Tool Score Stars Last Commit Language
11 alicomert/pixcode 86.8 19 5d ago JavaScript
12 jeremylongshore/claude-code-slack-channel 86.5 39 today TypeScript
13 mcp-telegram/mcp-telegram 86.3 43 4d ago TypeScript
14 zhixuli0406/DuDuClaw 85.5 49 today Rust
15 tomeraitz/claude-slack-bridge 85.3 33 8d ago Python
16 Oolab-labs/patchwork-os 84.5 30 1d ago TypeScript
17 yunfeizhu/mcp-mail-server 84.4 50 7d ago TypeScript
18 Microck/discord.py-self-mcp 84.3 64 17d ago Python
19 AtomicBot-ai/Atomic-Chat 83.0 1.6k 1d ago TypeScript
20 unchase/antigravity-storage-manager 82.3 107 16d ago TypeScript
21 duolingo/slack-ai-agent 82.1 45 14d ago TypeScript
22 basicmachines-co/basic-memory 82.0 4.0k 1d ago Python
23 agenticmail/agenticmail 81.4 227 12d ago TypeScript
24 indianic/mailman 81.4 7 1d ago TypeScript
25 OpenCoworkAI/open-cowork 81.2 2.2k 11d ago TypeScript
26 coddy-project/coddy-agent 80.7 155 today Go
27 nczz/kiro-discord-bot 80.5 43 today Go
28 psyb0t/docker-claudebox 80.3 22 2d ago Shell
29 curie-eng/curie 80.1 35 today Python
30 axelfreeman/tapac-mcp 80.0 3 6d ago JavaScript
31 Sealjay/mcp-hey 80.0 11 3d ago TypeScript
32 ongridio/ongrid 79.9 1.1k 1d ago Go
33 Opendray/opendray 79.8 66 1d ago Dart
34 norrietaylor/distillery 79.7 24 6d ago Python
35 barryyip0625/mcp-discord 79.7 105 18d ago TypeScript
36 leeguooooo/mail-use 79.2 43 17d ago JavaScript
37 thefalconry/talon 79.2 85 today TypeScript
38 ldbumble/taskuary 79.0 124 today Python
39 Bredrumb/TomoriBot 78.7 53 today TypeScript
40 leshchenko1979/fast-mcp-telegram 78.0 49 1d ago Python
41 publora/skills 78.0 48 2d ago Python
42 n24q02m/claude-plugins 77.0 4 today Python
43 kagent-dev/website 77.0 20 1d ago TypeScript
44 ndesv21/socialclaw 75.9 92 1mo ago JavaScript
45 s-nagaev/chibi 75.7 56 today Python
46 thegreystone/mcp-email 75.6 14 4d ago Java
47 j2h4u/mcp-telegram 75.6 6 1d ago Python
48 nishantmodak/call-a-human-mcp 75.4 15 12d ago Python
49 s-morgan-jeffries/apple-mail-fast-mcp 75.2 104 16d ago Python
50 brekkylab/backlot 75.1 245 2d ago Python