Communication MCP Servers
Slack, email and messaging integrations.
1050 servers
Marvenn MCP Server
Connect AI agents to Marvenn for outbound growth via email, voice, and LinkedIn.
sendifai
335 MCP tools, 75 playbooks. AI-native CRM, email/SMS, events, OAuth.
Hunter
Hunter.io MCP — wraps the Hunter.io email finder & verification API (hunter.io)
Delegation School
Learn to delegate real work to AI, not just chat with it — a course taught live in your own Claude.
Discord
MCP server for the Discord REST API: 5 read tools always on, 7 write tools env-gated, default off.
Agent Email
Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP
M365 Graph MCP
Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.
MakeItRun
Publish HTML from Claude or ChatGPT to a live URL with a QR code — no developer needed.
Socializioz AI Social Media Agent MCP
Socializioz AI agent for creating, approving, scheduling, and managing social media content.
Favorize – Wishlist & Gifts
Wishlists, favorites, and gift ideas — right from chat
Fluxmail
Read, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.
UnCorreoTemporal
Temporary email for AI agents: create inboxes, wait for emails, extract OTPs, verify signups.
Runik AI
Chat-first business management. 40+ tools, 26 templates. Describe your business, done.
Gmail
Gmail MCP server — send, read, and search email. By Strider Labs.
Aruba Email & Calendar
MCP server for Aruba email and calendar via IMAP/SMTP/CalDAV
CAI MCP
CAI MCP server — gives AI agents a custodial wallet, @cai.com email, and vault.
Broke2built Skills
29 live data skills for agents: email/DNS/domain intel, web audits, EVM reads. Free tier.
Mailtempo
MCP server for MailTempo's public free temporary email inboxes.
SingChat
Free live chat and AI support agent. Auto-create a workspace and embed from your AI editor.
Guapu
CRM AI-native para PYMEs de LATAM: contactos, ventas, cotizaciones, WhatsApp y métricas vía MCP.
Outlook Assistant
Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.
ПромтЛаб — библиотека AI-промптов
Self-hosted AI prompt library: prompts, collections, tags, teams, chains. 29 MCP tools for agents.
Apple Mail
Read, search, compose, and send emails via Apple Mail on macOS.
Secretcarousel
Agent-first secrets vault. Store, rotate, and share credentials from chat. 20 tools.