Communication MCP servers

Call2Me

mcp.call2me.app

connects

Place real phone calls, read transcripts, run a live interpreter and buy numbers.

Email marketing: campaigns, audiences, contacts, segments, templates and reports.

SuperMailbox

api.supermailbox.app

connects

Search connected email, read and manage messages, draft and send, and manage rules for new mail.

100Hires - AI ATS & Recruitment Software

mcp.100hires.com

connects

Official 100Hires MCP: AI ATS & Recruitment Software for candidates, jobs, applications, interviews.

1Lookup

app.1lookup.io

connects

Verify phone numbers, emails and IPs, and check remaining plan credits.

42min

api.42min.us

connects

Scheduling for AI assistants: bookings, availability, meeting polls and routing forms.

7IT Solutions

7it.co.il

connects

Store speed tests, automation ROI, a studio profile, Field Kits and guides from 7IT Solutions.

9bot

mcp.9bot.com.br

connects

Manage, automate and analyze WhatsApp groups, communities and channels with 9bot.

a2a2p — Agent-to-Agent-to-Physical

a2a2p.com

warnings

Turn agent intent into physical parts: engineering review, measured geometry, calibrated pricing.

abundance-apis

abundanceapis.com

connects

Try 26 utility REST APIs keylessly: NAICS classification, IP geo, email validation, currency.

Activecampaign

gateway.pipeworx.io

warnings

ActiveCampaign MCP Pack — email marketing + CRM (API v3).

adbtd

mcp.adbtd.com

connects

Email infrastructure as a service: mailboxes, domains, dedicated IPs, sending, deliverability.

Manage AdButler campaigns, zones, ad items, VAST, and reports from Claude, ChatGPT, and Cursor.

AdminHub for Telegram

backend-git-production-cb93.up.railway.app

connects

Run a Telegram channel from your AI agent. Posts go out through your own bot, not your account.

ads

mcp.promtpress.com

connects

Buy Telegram subscribers and website traffic, billed per verified result.

Aerosend

mcp.aerosend.io

connects

Manage Aerosend cold email domains, mailboxes, tags, warmup, inbox placement and domain burn.

agendaforge

mcp.agendaforge.app

warnings

Event management for organizers: events, sessions, speakers, agendas, forms, approval-gated writes.

AgentAddress

agentaddress.dev

connects

Persistent webhooks, callback queues, and an email inbox for AI agents that outlive the run.

Pay-per-call cybersecurity for AI agents: vuln scans, threat intel, compliance, code security.

Agentboxd

mcp.agentboxd.com

connects

Real email inboxes for AI agents: create addresses, send, wait for mail and verification codes.

agent-cold-email

agent-cold-email-api.yaakovscher.workers.dev

warnings

Coldrig — cold-email infra run by your agent: 28 MCP tools, live sending, free sandbox. $99/mo.

Agent Commons

agent-commons.alexlabs.dev

blockers

End-to-end encrypted messaging and work coordination for autonomous AI agents.

Agent Control

agent-control.net

warnings

External audit for your agents. Spend control for agent wallets. You keep the keys.

AgentCouch

mcp.agentcouch.dev

connects

Messaging rooms for AI agents: hand off context across tools, worktrees, machines, and teammates.

Agent-native task management: your AI agent is the interface. Delegate to anyone by email.

AgentDM: Agent to Agent Communication Platform

api.agentdm.ai

connects

Agent communication platform for agent to agent messaging via MCP. Messages, channels, skills.

Free domains under makes.fyi or agentdomains.co for the sites and APIs AI agents build.

Agent Email List — Free SMTP Relay for AI Agents

ai.agentemaillist.com

connects

Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.

agenten-tuer

agent.flowboxx.de

connects

flowboxx Agenten-Tuer: ehrliche Antworten zu Websites, Software, KI, Telegram. Anfrage an Menschen.

AgentFeed

x402.ochinimus.app

connects

Collateral exit liquidity, liquidation tape and peg data. 51 tools, paid in USDC via x402.

Agent Harbour

kicorn.com

connects

Find tasks for people and AI; publish, claim, discuss and deliver work with verified-email access.

Give an AI agent a throwaway email and phone number to test signup/verification flows end to end.

AgentiSend

api.agentisend.com

connects

Transactional email API for AI agents: verified domains, a per-sender budget, and a kill switch.

AgentKit x402 - pay-per-call tools for agents

agentkit-x402.erikssonanton2001.workers.dev

connects

Email, DNS, SPF/DMARC, site contacts, Markdown, IBAN, Swedish validators. Pay per call (x402).

AgentLine

api.agentline.cloud

connects

Give AI agents a phone number. Voice calls, SMS, and phone number management for MCP clients.

agent-mail

mcp.mailkite.dev

connects

Give an AI agent its own inbox — receive email as a webhook, send over a verified domain.

AgentMail

mcp.agentmail.to

connects

Email inboxes for AI agents: send, receive, reply, search, and manage threaded email over MCP.

AgentMart

agentmart.ciphyr.ai

warnings

Shop for AI agents: always-on utilities and tested code kits, paid from a prepaid balance.

Agent-Native Brain

brain.agent-native.com

connects

Cited company knowledge from Slack, meetings, transcripts, and decisions

Agent-Native Clips

clips.agent-native.com

connects

Screen recording, meeting notes, and voice dictation - all with AI

Agent-Native Dispatch

dispatch.agent-native.com

connects

Central Slack/Telegram router with jobs, memory, approvals, and A2A delegation

Agent-Native Mail

mail.agent-native.com

connects

Agent-Native Superhuman - email client with keyboard shortcuts and AI triage

Agent Papers

agentpapers.dev

connects

Registry of companies selling AI agents identity, phone, email, addresses, money, legal, insurance

Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.

Private agent messaging: DMs, group channels, presence, search, and webhooks over MCP or REST.

Authenticated event topics for agent-to-agent messaging with per-agent credentials and audit logs.

Agent Safe

agentsafe.locationledger.com

blockers

Email safety MCP server. Detects phishing, prompt injection, CEO fraud for AI agents.

Stop your agent before it runs rm -rf /etc or emails your .env. Deterministic preflight checks.