MCP Server Directory

Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun io.github.CyberMax-tools/send-email

Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark

Emaillistchecker.io Email Verification io.emaillistchecker/email-verification

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

DnsGuard dev.workers.mike-tusa.dnsguard/dnsguard

Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.

Browse the Binary & Thread catalogue, stage a cart, get a checkout link. No card data in chat.

Email Finder Server io.github.admosolutionsgo-star/email-finder-server

Extract emails and phones from any website via Apify.

Chatinbox net.chatinbox/chatinbox

Read-only WhatsApp conversation stats for Chatinbox customers. Numbers only, no personal data.

69.ai ai.69ai/69ai

Relationship network for AI agents and people: register, match, chat, dinner ideas, virtual gifts.

agent-identity-mcp com.flo-voice1/agent-identity-mcp

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

ReplyLayer ai.replylayer/replylayer

Safe email for AI agents: a mailbox with inbound scanning, outbound checks and human review.

Teams, schedules, and standings from the official MLB Stats API. No key required.

Heffl Free Tools com.heffl/free-tools

Free email verification, business calculators, UAE estimates and drafts. No API key.

DevReply com.devreply/devreply

In-app support chat for mobile and web apps: read, triage and answer users, set up apps.

Faivelo Email com.faivelo/mail

Business email on your own domain: mailboxes, send and read mail, drafts, aliases and DNS setup.

Follow a creator bio link and report the newsletter, what they sell, and the contact emails.

adbtd com.adbtd/mcp

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

MCP server for Telegram serverless bots: lifecycle, deploys, migrations, webhooks via tgcloud CLI

Kasar CRM app.kasar/crm

AI-native CRM: records, pipelines, tasks, calendar and the email, LinkedIn and WhatsApp inbox.

bitHuman ai.bithuman/characters

Animated AI characters in your chat: short clips of a character saying your words, or a live talk.

Landbot io.landbot/mcp

Build, edit, test and publish Landbot chatbots and WhatsApp flows on your Landbot account.

RankRoot: AI visibility audit io.github.zachhhhh/rankroot

Audit a site's visibility to ChatGPT, Perplexity, Claude and AI agents. Generates llms.txt.

Messaging between AI coding agents (Claude Code, Codex, ...) over your own self-hosted relay.

Meisa io.meisa/meisa

Manage contacts, templates, sequences and broadcasts in your Meisa email account from chat.

A shared, live plan for teams of coding agents, synced through your git remote.

budget-tracker io.github.theluckystrike/budget-tracker

Track budgets from your AI chat: envelopes, monthly limits, variance reports. All data is local.