MCP Server Directory

Mailvett: Email Validation API for AI Agents io.github.CyberMax-tools/email-validate

Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict.

DevReply com.devreply/devreply

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

Encharge MCP by usefulapi io.usefulapi/encharge

Manage Encharge people, tags, segments and fields, and track events for email automation.

GoAI Moat Decision-Maker Lookup com.goaimoat/decision-maker-lookup

Find B2B decision makers and verify work emails.

agmail dev.shveik/agmail

Email inboxes for agents by the hour: wait for a mail, get the code or link. Pay per call.

DomainDNA: Tech Stack Detector, WHOIS & Domain Age API io.github.shawmena-dotcom/domain-intel

DomainDNA: a domain's tech stack, email security (MX/SPF/DMARC), TLS expiry and age in one record.

MobileValidate com.mobilevalidate/mcp

Check phone numbers (WhatsApp, Telegram, carrier, spam reputation) and e-mail addresses.

Sliq com.getsliq/sliq

Run LinkedIn and email outbound from Claude, ChatGPT, or any AI agent.

AskYourStack com.askyourstack/askyourstack

Let Claude, ChatGPT or Cursor manage your servers, sites and SEO, with approvals for risky actions.

Prodantix com.prodantix/mcp

Product analytics, feature flags, experiments, session replay and messaging for your products.

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

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

fnlowl com.fnlowl/fnlowl

Read and manage fnlowl widgets, leads, email sequences and analytics from an AI assistant.

Czech SMS gateway: send and schedule SMS, OTP verification codes, delivery status and credit.

AgentiSend io.github.fortuneflick/agentisend

Email API for apps and AI agents: budgets per key, a kill switch, refusals that name the fix.

Signatoro com.signatoro/signatoro

The agentic email signature platform: one saved signature for your people and your AI agents.

Showoff dev.showoff/showoff

Turn app screenshots into 3D device mockups, App Store sets and launch videos, straight from chat.

Formbricks MCP by usefulapi io.usefulapi/formbricks

Read survey responses and manage contacts, webhooks, teams and organisation users.

Vocenya com.vocenya/platform

Calls, leads, bookings, chats, outbound AI calls and Do Not Call for one Vocenya business.

SuperMailOS com.supermailos/mail

Read, search, organize, draft and send business email from your SuperMailOS mailboxes.

Zebu Data - Local Business Leads io.github.zebudata/local-business-leads

Find local businesses on Google Maps, Yellow Pages and Yelp, then pull emails and phones from sites.

AskAiRank com.askairank/mcp

How ChatGPT, Claude, Perplexity and Gemini mention your brand: visibility, mentions, competitors.

Deeplead io.deeplead/deeplead

Find local businesses, companies and decision makers with verified emails for B2B outreach.

Proofsource co.proofsource/proofsource

AI visibility: which buyer questions name your brand in ChatGPT, Perplexity, Claude, AI Overviews.

ChatGPT (Codex CLI) and Claude (Claude Code) discuss until they agree, on your own subscriptions.