Communication MCP servers

Let two agents on machines with no public address talk directly: pair with a short code over an end-to-end encrypted relay (hosted or self-hosted), send files, and invite saved contacts by name.

Self-hosted multi-agent collaboration and audit layer for AI-assisted engineering teams

Read-only search over a local index of your engineering stack (GitHub, Jira, Slack, PagerDuty, Datadog and more): incidents, PRs, deployments and DORA metrics.

Telegram MCP server: read, send, and search messages and manage chats via your account.

AI sales automation for toflow.ai — prospect, enrich, sequence across email, LinkedIn, WhatsApp.

Scan QR codes and go! No more troublesome autos or APIs! Send text messages, images, links, locati…

Publish content to DEV.to, Hashnode, GitHub Discussions, Reddit, Bluesky, LinkedIn, Medium and Twitter, adapted per platform with idempotent state.

Self-hostable human-in-the-loop approval inbox: humans approve, reject or edit proposed agent actions via web, mobile, Slack, Discord or Telegram.

MCP server for sending physical postcards via Postcard.bot. Let AI agents send real postcards worldwide.

Search and browse Telegram chat history stored in Telegram Archive: list chats, retrieve messages and run full-text search.

Search your Google, Telegram, Spotify and Instagram exports locally. Fully offline.

Local-first index of your commits, PRs, Jira/Linear tickets, Confluence docs, Slack threads and calendar events to search and cite past work.

Human-in-the-loop for AI coding agents — ask questions, get approvals via Slack.

Connect AI to Nestr for Holacracy, Sociocracy, and self-organizing teams.

Greenhouse ATS for recruiting teams: role-based profiles (full, recruiter, read-only), pipeline views, analytics, candidate search and bulk operations.

WhatsApp integration with a web admin UI (QR login, status, settings), two-way media upload and download, and SQLite persistence.

MCP server for virtual phone number verification — SMS activations for AI agents via Claude, Cursor, VS Code Copilot

Manage DIDLogic SIP endpoints, numbers and destinations.

Manage Inxmail Commerce transactional emails: events, sendings, bounces, blocklist and blacklist, reactions and delivery tracking.

MCP server for a personal Telegram account: read chats, send messages, run polls

Self-hosted MCP server: Telegram userbot control (Telethon) via HTTP and MCP.

MCP server for TGStat — Telegram channel analytics, search, stats (Russia). 20 tools.

Wavix telecom MCP: SMS, voice, 2FA, SIP, numbers, 10DLC, CDRs. Account sign-in or API key.

WhatsApp MCP. SQLCipher-encrypted, scrubber-CI-gated, draft-and-confirm sends, voice transcription.

Ask questions across your WhatsApp inbox from Claude, ChatGPT, Cursor or any MCP client.

Rewrite queries, zoom into source domains and return sourced answers with metrics.

Clinical research tools for trial coordinators and life sciences teams: real-time access to PubMed and ClinicalTrials.gov.

Full CRUD MCP server for FactorialHR: employees, teams, time off, projects, ATS, payroll.

Official MCP server for FastAlert, providing tools to list channels and send notifications.

Microsoft Graph access to Outlook mail and calendar, Teams, OneDrive, SharePoint, OneNote, Planner and Entra ID.

Shared context for dev teams: syncs GitHub, Notion and saved decisions into reusable project context that agents load at the start of each session.

Free, local MCP server that audits ClickUp, Slack & Teams for work that slipped through.

Manage WhatsApp Business message templates via the Meta Cloud API: create, validate and send all template types, including carousel, catalog and flows.

X (Twitter) creator toolkit: tweet media downloads, curated hashtags, posting times, hook formulas, engagement calculators and a thread splitter.

Middleware exposing aiogram Telegram bots via MCP: messaging, rich media, moderation, keyboards, real-time events, rate limiting, permissions and audit logs.

MCP server for Voximplant — cloud telephony, calls, SMS, recordings, scenarios, ACD (Russia). 21 tools + 2 skills.

Manage Discord channels, messages, forums, webhooks, members, roles, threads and moderation. Also runs as a standalone bot with slash commands.

Meeting bots for Zoom, Google Meet and Teams: record, transcribe, summarize, run voice agents.

Zoom workspace server for meetings, chat, docs, recordings, and AI-generated collaboration content.

Control QQ via NapCatQQ (OneBot v11): send and receive messages, manage groups and wake the agent on incoming messages.

Email infrastructure for AI agents: create inboxes on the fly, send and receive email, search messages and manage threads.

Gambot WhatsApp Business API: send WhatsApp messages and templates, and manage CRM contacts, leads, cases, tasks, quotes, invoices, orders and campaigns.

Email verification for AI agents. One call returns send, hold or kill with the reason. Free DNS tier runs locally; the hosted SMTP probe is 9 USD per 10,000 checks. CLI + MCP server.

Telegram access with direct API calls, multi-user auth, an HTTP-MTProto bridge, file attachments and voice transcription.

Instagram creator toolkit: download Reels, Stories and photos, extract audio, check engagement, research hashtags and get hook templates and posting times.

Have an AI make phone calls on your behalf: book reservations, schedule appointments and view call transcripts.

Bring an agent into live Google Meet or Zoom calls via a Chrome extension: read captions, answer in a side panel, post to chat and view shared screens.

Microsoft Teams MCP Server for Claude — Read/send messages, list channels, search across Teams. Works with Claude Cowork, Desktop & Code.