Slack workspace integration for agents. Read messages, post to channels, manage threads, and search workspace history.

MCP server for Discord bot integration, enabling agents to read and send messages, manage channels, and interact with guild members.

Official Twilio MCP server. Send SMS and WhatsApp messages, make voice calls, manage phone numbers, and access Twilio's communications APIs from agents.

Send transactional and marketing emails via Resend from MCP clients. Compose HTML or plain-text emails, manage audiences, and track delivery — no SMTP setup needed.

Send emails via Twilio SendGrid from MCP clients. Supports transactional messages, dynamic templates, and list management using your SendGrid API key.

Send messages, manage channels, and interact with Microsoft Teams workspaces from AI agent workflows via the Microsoft Graph API.

Manage email marketing campaigns, subscriber lists, and audience segments via Mailchimp from AI agent workflows.

Interact with Intercom customer messaging. Search conversations, create and reply to tickets, manage contacts, and surface customer data for support agents.

Read, search, and send Gmail messages from AI agents. Access inbox threads, compose emails, manage labels, and retrieve attachments via the Gmail API.

Send and receive messages via WhatsApp Business API. Handle templates, media messages, interactive buttons, and message status tracking for business communication at scale.

Build and operate Telegram bots via the Bot API. Send messages, manage groups, handle commands, inline queries, and webhooks. Supports media, polls, and rich UI elements.

Loom video messaging via MCP. Access video library, retrieve transcripts, manage spaces, and search recordings from agents.

E-commerce marketing automation for email and SMS. Manage lists, segments, flows, and campaigns. Power personalized marketing from agent workflows.

Behavioral marketing automation platform. Send targeted messages based on user actions. Manage campaigns, broadcasts, and transactional messages.

All-in-one marketing platform for email, SMS, WhatsApp, and chat. Send transactional and marketing messages, manage contacts and campaigns at scale.

Open-source notification infrastructure for developers. Manage in-app, email, SMS, push, and chat notifications via a unified API and workflow engine.

Developer-first notification infrastructure. Build and manage cross-channel notification workflows across email, SMS, push, in-app, and Slack.

Manage Zoom meetings, webinars, and recordings via natural language. Create meetings, list participants, retrieve transcripts, and manage scheduling through the Zoom API.

Manage customer conversations via Crisp. Read and reply to support tickets, update contact profiles, search conversation history, and trigger automated messages.

Official MCP server for Adobe Marketo Engage marketing automation platform. 100+ operations across forms, programs, smart campaigns, leads, and emails. Enables AI agents to manage marketing workflows at scale.

MCP server for ActiveCampaign — the customer experience automation platform. Manage contacts, trigger automations, track deals, and power email marketing workflows from AI agents.

MCP server for LiveKit — the open-source real-time audio/video infrastructure. Create rooms, manage participants, stream audio to AI agents, and build voice-enabled agent pipelines with WebRTC.

MCP server for Courier — the multi-channel notification infrastructure platform. Send and manage notifications across email, SMS, push, Slack, and 20+ channels from a single AI-accessible API.

MCP server for Agora — the real-time voice, video, and interactive live streaming platform. Manage channels, tokens, cloud recording, and real-time transcription from AI agents building voice-enabled workflows.

Open-source MCP server from Iterable enabling AI agents to interact with the cross-channel marketing automation platform. Allows campaign management, customer segmentation, journey orchestration, and marketing analytics through the Model Context Protocol. Currently in beta with over 90% of Iterable customers already leveraging AI agents.

Hosted MCP server from Truelist that brings email validation directly into AI assistants and development environments. Enables AI agents to validate individual emails, manage batch verification jobs, check account usage, and explore validation results through MCP-compatible clients including Claude, Cursor, and VS Code. Eliminates the need for direct API integration by exposing Truelist email verification capabilities as MCP tools that any compatible client can invoke.

MCP server from MoEngage that opens the customer engagement platform to the enterprise AI stack. Part of the Merlin AI Custom Agents launch in June 2026. Enables AI tools like Claude and ChatGPT to access MoEngage data and tools for marketing automation, campaign management, customer segmentation, and engagement analytics. Provides marketer-defined guardrails and full visibility into agent actions. Designed for enterprise marketing teams building custom AI agent workflows that interact with customer engagement data.

MCP server from Front that provides AI agents with access to customer communication data and workflows within the Front platform. Currently in beta. Allows external AI agents and MCP-compatible tools to access Front context for running complex communication workflows, managing conversations, and coordinating across shared inboxes. Part of Front's broader initiative to bring external AI agents into workspaces as governed teammates with built-in access controls.

Official MCP server from Fastmail that gives AI agents access to email, calendar, and contacts through the JMAP protocol. Hosted at api.fastmail.com/mcp with OAuth authentication providing three permission levels: read-only, write, and send. Enables AI assistants to search and organize emails, draft and send messages, manage calendar events with participants, and look up contacts. Works with Claude, ChatGPT, and any MCP-compatible client. Launched April 2026. No local installation required — connects directly to Fastmail's hosted endpoint.

LinkedIn prospecting automation MCP server that manages contacts, launches outreach sequences, and tracks responses through 19 AI-callable tools. Automates the LinkedIn prospecting pipeline from contact discovery through follow-up tracking. Designed for sales teams and recruiters using AI agents to scale LinkedIn outreach workflows. Released June 2026. Commercial MCP server with managed hosting.

Telephony and messaging MCP server that lets AI agents trigger voice calls, SMS, and automated customer outreach through structured prompts. Connects to Exotel's communication stack for real-time voice and text interactions without requiring API development. Supports call initiation, SMS with fallback logic, WhatsApp messaging, and conversation flow management. Works with Claude, ChatGPT, and other LLMs. Open source on GitHub. Created by Exotel.

Sendoso's MCP server for AI-powered personalized gifting and direct mail. Enables AI agents to send personalized gifts, eGifts, and direct mail based on intent signals. Works with Claude, ChatGPT, Salesforce Agentforce, and other MCP clients.

MCP server from VoIPstudio connecting business VoIP and telephony data to AI assistants including Claude. Provides access to call records, voicemail transcriptions, call analytics, and communication workflows. Requires the CX Addon on any VoIPstudio account. Enables AI-driven call analysis, routing optimization, and customer experience insights.

MCP server from Bandwidth (NYSE: BAND) giving AI agents autonomous access to the Bandwidth Communications Cloud. Once authenticated, agents can provision phone numbers, manage messaging services, configure voice routing, and automate telecom workflows through Bandwidth APIs. Part of the Bandwidth Build platform for AI-native communications.

Official hosted MCP server from X (formerly Twitter), announced June 30, 2026. Provides AI assistants and coding agents with direct access to the X API through a single endpoint at api.x.com/mcp using Streamable HTTP. Supports 26 tools covering timelines, search, posting, engagement (likes, retweets, bookmarks), user lookup, follower export, mentions, articles, and lists. Users authenticate with their own X account permissions via OAuth. Compatible with Claude, Cursor, Grok Build, and other MCP clients.

MCP server from Publora for unified social media publishing across 10 platforms. Exposes 18 tools that let AI assistants like Claude, Cursor, and Codex manage social media in plain language including posting, scheduling, reading feeds, commenting, reacting to mentions, and replying to messages across Instagram, LinkedIn, X, TikTok, YouTube, Facebook, Threads, Bluesky, Mastodon, and Telegram with a single call. Starter plan free for 9 platforms.