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Communication MCP Servers

Slack, email and messaging integrations.

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1050 servers

Kajabi

Manage Kajabi from any MCP client — products, pages, contacts, offers, emails, analytics.

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LayerCall

Score an IP, email, phone, domain or device for fraud in one call, with the signals behind it.

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SenderKit

Build and send email, SMS, and push straight from your AI agent.

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Lead Generation

B2B and local lead gen: verified emails, site contacts, Maps and Yellow Pages leads.

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DevInbox

Real email inboxes for AI agents: create inboxes, catch verification codes, extract OTPs, reply.

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Teamspend

Compares AI coding tool spend before and after a migration via MCP tools.

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Python
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Foqal

Foqal turns Slack/Teams into efficient support platforms with AI-powered ticketing.

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Website Auditor

AI visibility + site audits: see if ChatGPT, Perplexity, Claude & Gemini recommend a website.

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TypeScript
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Mistral

Mistral AI MCP server: chat, OCR, Voxtral audio, Codestral FIM, vision, agents, batch.

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TypeScript
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Apple Mail

Read, search, compose, and send emails via Apple Mail on macOS.

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Python
ClaudeCursorClineWindsurfWarp

ПромтЛаб — библиотека AI-промптов

Self-hosted AI prompt library: prompts, collections, tags, teams, chains. 29 MCP tools for agents.

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ClaudeCursorClineWindsurf

Guapu

CRM AI-native para PYMEs de LATAM: contactos, ventas, cotizaciones, WhatsApp y métricas vía MCP.

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SingChat

Free live chat and AI support agent. Auto-create a workspace and embed from your AI editor.

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CAI MCP

CAI MCP server — gives AI agents a custodial wallet, @cai.com email, and vault.

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Aruba Email & Calendar

MCP server for Aruba email and calendar via IMAP/SMTP/CalDAV

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Python
ClaudeCursorClineWindsurf

Runik AI

Chat-first business management. 40+ tools, 26 templates. Describe your business, done.

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UnCorreoTemporal

Temporary email for AI agents: create inboxes, wait for emails, extract OTPs, verify signups.

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Python
ClaudeCursorClineWindsurf

M365 Graph MCP

Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.

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Agent Email

Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP

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TypeScript
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Discord

MCP server for the Discord REST API: 5 read tools always on, 7 write tools env-gated, default off.

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Python
ClaudeCursorClineWindsurf

Delegation School

Learn to delegate real work to AI, not just chat with it — a course taught live in your own Claude.

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ClaudeCursorClineWindsurf

sendifai

335 MCP tools, 75 playbooks. AI-native CRM, email/SMS, events, OAuth.

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ClaudeCursorClineWindsurf

Marvenn MCP Server

Connect AI agents to Marvenn for outbound growth via email, voice, and LinkedIn.

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TypeScript
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Espn

ESPN MCP — keyless multi-sport live scores, teams, and news via ESPN's public site API.

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