MCP Servers

O

Outbound OS

RecepioHQ

Evidence-gated email outreach MCP with dry-run defaults and explicit send approvals.

R

Reckon Email Verification

reckonapp

Enterprise-grade, real-time email verification in a straightforward way. Prevent bounces by checking any email against format rules, DNS records, disposable address lists, catch-all detection, and live SMTP—and get back a structured result your agent can act on immediately.

R

Re:lation MCP Server

Procrustes5

No description yet

Y

YoushowInterpreter MCP

rico-c

Read-only MCP for Youshow Interpreter: product overview, supported languages and pricing

W

warp

Ringer

SIP trunking, numbers, porting, messaging, billing, and CDR analytics on the Ringer WARP platform

T

tdl-mcp

rixile9999

Read-only Telegram MCP server wrapping the tdl CLI: list chats, read messages, download media.

R

Rongcloud Native

rongcloud

No description yet

R

Roomcomm

kotinder

Ephemeral REST chatrooms where AI agents of different owners coordinate on a shared task. A room is one URL — no SDK, no registration. The owner creates a room, hands the URL to agents, and watches the conversation live in a browser. Remote MCP server at https://roomcomm.ru/mcp

W

wa2agent

rosroyros

Read-only WhatsApp MCP for your AI agent: it reads the chats you choose. Try the public demo.

M

MAGNT MCP Door

magnt.ru

Meet Alexander Redkov for structured finance, corporate organization and joint human-AI research

R

RuSender

Rusender

Manage email campaigns, contacts and deliverability analytics in RuSender from an AI assistant

S

Sendpaper

ryan-tish

Your agent sends real postcards and letters. You approve; we print and mail

S

Sable Platform + HyperDX Observability

sable-inc

Manage Sable AI voice agents, query HyperDX logs and metrics, and deploy — all from your IDE

F

fldigi-mcp

sbrunner-atx

Control fldigi (amateur-radio digital modes) over XML-RPC: modem, frequency, rig, log, transmit.

A

ABOVO.co — Email-to-Web Publishing

seanfenlon

Publish content to the web by emailing [email protected]. No API key, no signup. SMTP is the API.

G

gauge

seayniclabs

Website analytics (Umami) and email (Resend) for an AI assistant, as one MCP bundle

S

Selectic

selectic-ai

AI agent that calls, texts and emails businesses for you, then returns transcripts and replies

S

send0

send0-dev

Email inboxes for AI agents: create an address, wait for codes and links, send and reply in threads

S

Send16

spruikco

MCP server for Send16 — 79 tools that let AI agents (Claude, Cursor, ...) send transactional & marketing email, manage contacts/automations/webhooks, with a zero-DNS sandbox sender.

S

SendGrid MCP Server by CData

CDataSoftware

This project builds a read-only MCP server. For full read, write, update, delete, and action capabilities and a simplified setup, check out our free CData MCP Server for SendGrid (beta): https://www.cdata.com/download/download.aspx?sku=BGZK-V&type=beta

L

luca-mcp

setluca

SetLuca DM sales from any MCP client: 208 API tools and 15 task tools for leads, replies, calls.

S

SetSmart

setsmart-git

Instagram, WhatsApp and Messenger DMs through official Meta Business APIs

O

OpenMail

openmail.sh

Gmail for agents: create inboxes, read and reply to mail, send email, manage domains. OAuth sign-in

P

Parlor.sh

parlor.sh

Rooms where AI agents of any vendor talk to each other. A room is a URL. No sign-in

S

Simplepush

simplepu.sh

Send tasks and notifications to people's phones. Answers build a queryable knowledge base

T

Telegram

globalion

Turn any Telegram bot into a chat-first AI assistant. Sign in with Google, paste your BotFather token, message your bot. MCP tools let external agents push notifications.

P

Prosyo MCP Server

ShubhamTuts

Zero-config Prosyo MCP for LinkedIn, cold email, and inbox. No API key

S

Shutter Mcp

shutter-network

A Model Context Protocol (MCP) server that provides timelock encryption capabilities using the Shutter Network

A

Agent Commons

sibi-narendran

A home for any agent: inbox, public memory, job board, rooms, human help. Free, no key

E

evolution-api-mcp

singleflo

Operate one Evolution API (WhatsApp) instance: chats, history, sending, groups, settings

M

Mailly

mailly.site

A real inbox for agents: read mail, draft replies you approve, wait for verification codes.

E

email-tool

skhan61

IMAP/SMTP email for AI assistants: read, search, draft and send, with CMMC-grade safeguards

S

Skysay

skysay-ai

Skysay voice agents, phone numbers, calls, SMS and campaigns over MCP. 100+ countries covered.

S

Slack Admin MCP Server

xiujiang1987

MCP server for Slack channel administration (create, rename, archive)

S

Slack Local MCP

nqkdev

A lightweight Model Context Protocol (MCP) server for Slack automation using cookie-based authentication.

S

Slack MCP Server

AIAtrium

No description yet

S

slack-mcp-server-by-cdata

CDataSoftware

This read-only MCP Server allows you to connect to Slack data from Claude Desktop through CData JDBC Drivers. Free (beta) read/write servers available at

S

Slack MCP Server

edrigu1989

slack

S

Slack MCP Server with SSE Transport

dVelopment

Slack MCP server with SSE transport

S

Slack MCP Server

unwieldymaste

The most powerful MCP Slack Server with Stdio and SSE transports, Proxy support and no permission requirements on Slack Workspace!

P

pillowfort

slee1996

Private encrypted rooms for agents and people to invite, chat, draw, and play. Local and hosted MCP

S

Smartlead MCP Server

Meerkats-Ai

smartlead-mcp-server typescript

S

Servidor MCP para SmileAPI

edupoli

MCP server for WhatsApp API

S

SamDesk Support

smrht

Read your SamDesk support inbox, find customer agreements and draft replies. Read-only.

S

SMS MCP Server

675256493

SMS MCP server

P

phone carrier detector

dahuangbaojian

phone carrier detector

S

Sms Validator X402

Br0ski777

Validate SMS-capable phone numbers -- mobile vs landline detection, carrier type, E.164 format, SMS readiness. x402 micropayment API + MCP server for AI agents

S

Smspm

alesav

MCP server for sending SMS via SMSPM — use with Claude Desktop or any other MCP client.

S

snoooz-mcp

snoooz-ai

AI email automation, follow-ups, training, previews and mailbox troubleshooting

Z

Zas

soke1556

Move files and notes between a coding agent and your Zas channels, encrypted here or via Directo

S

Sooda MCP

sooda-ai

AI agent relay — message business agents across company boundaries via A2A protocol

S

Speaking Bots MCP Server

Meeting-Baas

An MCP server that can send speaking bots inside meetings

T

Telnyx

stucchi

MCP server for the Telnyx API: billing, phone numbers, and messaging

T

Telegram AI CLI MCP

stufently

Read a personal Telegram account over MTProto; every write is a plan a human applies.

E

Email Verifier (SMTP, MX, Catch-All)

sumitrmardy

Bulk email verification: live SMTP mailbox check, MX, catch-all, disposable and role detection.

I

iris

SuperAngryMonkey

Microsoft 365 mail MCP: reads mail, drafts into Outlook; sending is opt-in (IRIS_ENABLE_SEND)

S

Superhuman Mail

Superhuman Mail

Drive your email and calendar, right from Claude

A

AgentsChat — Shared MCP Rooms for AI Coding Agents

swswordholy-tech

Bring Claude Code, Codex, DSH, Muse, Antigravity, and Hermes into shared rooms over MCP.

T

T3kniq Voice Agents

wcsdproducer

Custom AI voice agents that answer calls, book appointments, qualify leads, and close deals 24/7.

P

PlanVortex

taliasoftworks

Schedule posts, read comments and answer messages across all your social networks