MCP Servers

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SendGrid MCP by usefulapi

usefulapi.io

Send email and read templates, marketing contacts, lists, stats, bounces and unsubscribes

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Sendlane MCP by usefulapi

usefulapi.io

Manage Sendlane lists, contacts, tags and custom fields; read campaign and SMS reports

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SIGNL4 MCP by usefulapi

usefulapi.io

Read SIGNL4 alerts, teams, users and duty schedules; raise, acknowledge, close and annotate alerts

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SimpleTexting MCP by usefulapi

usefulapi.io

Send SMS/MMS, manage contacts, and read campaigns, messages and media on SimpleTexting

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SlickText MCP by usefulapi

usefulapi.io

Read SlickText contacts, lists, campaigns, analytics and inbox; create and update contacts

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smsmode MCP by usefulapi

usefulapi.io

Read smsmode balance, messages, replies, campaigns and usage; send SMS to up to 10 numbers

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Spoke Phone MCP by usefulapi

usefulapi.io

Read Spoke calls, transcripts, directory and users; manage phonebook contacts and send SMS

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Spruce Health MCP by usefulapi

usefulapi.io

Read Spruce Health contacts, conversations, messages, phone lines and team members (read-only)

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Stream MCP by usefulapi

usefulapi.io

Query channels, search messages, and read threads, users and reactions in your Stream Chat app

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SupportBee MCP by usefulapi

usefulapi.io

Read SupportBee tickets, replies and reports; reply, comment, label, assign and archive tickets

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Text-Em-All MCP by usefulapi

usefulapi.io

Send and track Text-Em-All broadcasts, texts and contact lists

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Textline MCP by usefulapi

usefulapi.io

Read Textline conversations, contacts and reports; send a text, add notes, resolve or transfer

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Trengo MCP by usefulapi

usefulapi.io

Work tickets and messages, look up contacts and teams, pull reports, and reply, assign or close

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Trumpia MCP by usefulapi

usefulapi.io

Read Trumpia lists, subscribers, keywords and reports; add contacts and send SMS or email campaigns

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Vision6 MCP by usefulapi

usefulapi.io

Read Vision6 lists, contacts, messages and reports; update contacts; send transactional email/SMS

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Voodoo SMS MCP by usefulapi

usefulapi.io

Read Voodoo SMS credits, reports, inbox and lists; send one SMS; manage the opt-out blacklist

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Zammad MCP by usefulapi

usefulapi.io

Search and read Zammad tickets, customers and organizations; add notes, replies and ticket updates

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Zendesk MCP by usefulapi

usefulapi.io

Read tickets, users, orgs, macros and satisfaction ratings; create, update and comment on tickets

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WSENDER

wsender.io

Manage WhatsApp, Telegram and MAX mailings: audiences, drafts, moderation and sending

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Apple Mail, Calendar & Notes

ipsupport-llc

Apple Mail, Calendar, and Notes on macOS for any MCP client. Local, no dependencies

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messages-bridge

IsaiahDupree

MCP connector for iMessage and Contacts via a local Mac agent and Vercel relay

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claws-mail-mcp-plugin

it-atelier-gn

Claws Mail plugin exposing the running mail client over a local, bearer-token MCP endpoint

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Grounders MCP

ItsBreeze

Multiple Google accounts (Gmail, Calendar, Drive, Contacts, Tasks) in one Claude connector

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Hub

ItsBreeze

Multiple Google accounts (Gmail, Calendar, Drive, Contacts, Tasks) in one Claude connector

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LINE WORKS AiNote (unofficial)

iwaohig

Unofficial read-only access to LINE WORKS AiNote meeting notes: list, search, summaries, transcripts

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Wiggle

jamesonhussey

Privacy-first coordination for autonomous agents: rooms, messaging, inbox, and per-agent memory

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psquare

jasonko

MCP server for ParentSquare — feeds, calendars, messages, directories, and admin roster tools

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JBAssist - Microsoft Graph MCP Server

JBAgent

A Windows-compatible MCP server for querying Microsoft Graph API

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MepMail

JE4NVRG

Transactional email and agent mailboxes: send, broadcasts, domains, Correio inboxes.

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JetAPI

jetapi

Send WhatsApp, Telegram, SMS and MAX messages, files and bulk mailings via JetAPI

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WhatsApp Messaging API

jevil25

Send WhatsApp messages from Claude. No Meta Business approval or WhatsApp Business account

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Corebee Customer Support

jonny-1812

Hosted support inbox over MCP: answer web chat, WhatsApp, email and SMS, manage knowledge base

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Ownhand

jordan-gibbs

Write in the user's own voice, fitted to the occasion. Learns from the text they actually send

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Pushover Notifications

joshuawowk

Send push notifications to your devices and groups via the Pushover API

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Signal Messaging (via signal-cli)

joshuawowk

Send Signal messages and read replies through your own signal-cli JSON-RPC daemon (unofficial).

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Agent Push Kit

JustinBStrong

Send, search and manage notifications, accounts and push preferences

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KeyID

KeyID-AI

Agent email, SMS, OTP/TOTP, and signup session infrastructure for AI agents. Self-provision email addresses, phone numbers, extract verification codes, manage TOTP authenticators, and run full signup flows with browser state persistence. 47 tools, 8 prompts.

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김팔복TV의 Slack MCP Server 예제

dev-palboksoft

No description yet

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Klass Personal OS

KlassyCoder

Mac app that runs Claude or Codex on a schedule against your mail, calendar, and files

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Klavis AI 🌟

alexgolemelectrico

Klavis AI (YC X25): Open source, easy to use MCPs on Slack, Discord and Web

Marketing campaigns, profiles, analytics

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Krisp

Krisp

Add your meetings context via transcripts and notes

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Email Deliverability Checker

kryptoscan

Check SPF, DKIM, DMARC, blocklists, reverse DNS and email headers against Gmail/Yahoo sender rules.

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phone-lookup

ktozvonil

Caller ID lookups: community verdict, spam rating, operator and reviews (ktozvonil.net)

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Telegram Managed Bot Factory

laser54

Provision owner-confirmed isolated Telegram Managed Bot instances

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Laxis

laxis-tech

Search and read your Laxis meeting transcripts, AI summaries, and participants from Claude

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email-validator

lazymac2x

Cloudflare Workers MCP server: email-validator

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AgentPub — Public Chat for AI Agents

liboy119

Public, agent-native chat for AI agents. 6 channels. Zero auth. MCP + A2A + WebSocket.

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Listmonk MCP Server

ngomis-com

Listmonk-MCP server is used as an MCP server for your Listmonk server

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nostr-ops-mcp

llmops-pro

Nostr publishing, queries and DMs for AI agents, with allowlists, rate limits and an audit log

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Lorikeet

Lorikeet

A universal concierge for complex businesses

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Synology Chat

Louis-Lastella

Read channels and posts, find users, send messages and files on any Synology Chat server.

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Outlook Mailbox Tidier

ma2no4413

Tidy a large Outlook / Hotmail mailbox. Folder subtree moves, bulk ops with dry run, never sends

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Mailcheck Mcp Server

skushagra

The MailCheck MCP Server.

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Mailchimp

Mailchimp

Email marketing and campaigns

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Mailerastro

ruthlesscodes

No description yet

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MailerLite

MailerLite

Turn Claude into your email marketing assistant.

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MailFlat

MailFlat

Real email inboxes for AI agents: open an address, read the one-time code, send mail

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Mailmodo MCP Server

mailmodo

Mailmodo MCP server to interact with Mailmodo APIs

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Mailsink

heocoi

Programmatic temp email inboxes for QA tests and AI agents. 8 MCP tools, free tier 50 inboxes/month, MCP server published as @mailsink/mcp on npm