Best Communication MCP Servers

The most powerful MCP Slack Server with no permission requirements, Apps support, GovSlack, DMs, Group DMs and smart history fetch logic.

Interact with your HackMD notes and teams seamlessly. Manage your notes, view reading history, and…

Read emails, send messages, and manage labels in your Gmail account.

Send messages, access channels, and manage files in your Slack workspace.

Collaborate, chat, and manage meetings in Microsoft Teams.

Embed an AI chat widget on your website from your coding agent: provision, configure, get snippet.

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

MCP server for VRChat friends, worlds, groups, events, notifications, and VRCX history.

Rust MCP server and CLI for Apprise notification fan-out across dozens of delivery backends.

Surface customer & prospect context from Slack, email, transcripts and tickets in any MCP client.

Agent-native marketing email: draft, edit, screenshot, and send from your verified domain.

Safety-first WhatsApp tools: draft-gated sends, enforced rate limits, append-only audit.

Configura y entrena tus agentes de IA de WhatsApp e Instagram de TBit desde ChatGPT o Claude.

Render HTML/.eml emails in real Gmail, Outlook & Yahoo web clients and screenshot them

Download DocSend and Papermark decks as PDF or PPTX, including email-gated and protected links.

Find verified professional emails by name, domain, LinkedIn, or role.

WhatsApp assistants, messaging, broadcasts, and analytics for your iZap account, over OAuth.

Goal-directed email outreach: research, draft, send, triage replies. Real data, never fabricated.

Lets AI agents get leads on the phone: call, send SMS, and schedule callbacks for sales teams.

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

Wholesale BOM pricer: send a parts list, get a priced line-by-line quote by email in minutes.

Domain & company intel for AI agents: RDAP, DNS, email deliverability, tech stack. No API keys.

Shared project context for AI agents and teams: docs, tasks, and messages that stay current.

An MCP server that provides tools to validate an email address using Dilli Email Validation API.

Read-only MCP for Rialto quotes and swap preflight on Robinhood Chain. No signing or broadcast.

Freight carrier intel: new FMCSA authority feed, carrier lookup by DOT/MC, safety screen (CSA/SMS).

Capture, organize, and work your GTD board: inbox capture, next actions, projects, waiting-for.

Stateful email for AI agents — read inboxes, reply in-thread, draft with approval.

MCP server for MailTempo's public free temporary email inboxes.

IMPACT Framework - B2B Positioning & Messaging Tools by Shashwat Ghosh