MCP Servers 378
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DevInbox
Real email inboxes for AI agents: create inboxes, catch verification codes, extract OTPs, reply.
Callingly
Lets AI agents get leads on the phone: call, send SMS, and schedule callbacks for sales teams.
Campaignstack
Run B2B outreach from your AI agent: 250+ tools for campaigns, leads, LinkedIn and email workflows.
MailFixture
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links.
Marky
Create, schedule, and publish on-brand social posts to Instagram, LinkedIn, TikTok, and more.
MailStream
The first MCP server for physical mail: send postcards and letters, manage lists and campaigns.
Checkmails — Email Verification
Verify email deliverability by SMTP.
Miguelgarzons Cun
Greet people by name with friendly, personalized messages.
Green API WhatsApp
MCP gateway for WhatsApp via Green API: messaging, contacts, groups and instance management.
Email Server
An MCP server that provides email capabilities, hosted on Alpic platform
Sebastianall1977 Gmail
Manage Gmail end-to-end: search, read, send, draft, label, and organize threads.
Llamanotes
Lucky AI study buddy over your own LlamaNotes courses: chat, progress, and AI course generation.
BlendDuck Social Publishing
Create, schedule, review, analyze, and manage social content across connected channels.
Verifly
Email verification for AI agents — verify, clean & validate emails; self-onboard + crypto pay
Email Check
Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.
Verify The Email Instantly
Verify the email instantly: Identify the spam email while authenticating your users.
Email Server
Still WiP!
Missive
Read email/chat conversations, messages, contacts and teams; draft, send and update threads.

Messages Bridge
MCP connector for iMessage & Contacts via a local Mac agent + Vercel relay
MCP Ads
Run Google Ads, Meta Ads, GA4 and Search Console from chat: read, audit and launch campaigns.
Just Domain
Search domain availability and pricing, straight from chat, then open a link to register.