MCP Server Directory

MailAlign dev.workers.mike-tusa.mailalign/mailalign

Email header analyzer: SPF/DKIM/DMARC/ARC verdicts, domain alignment, hop delays. No lookups.

SignupBouncer com.signupbouncer/checker

An API that checks new signups for disposable emails and repeat accounts.

Offhand com.offhandapp/offhand

Use Claude, ChatGPT, Grok Bot or Muse from the agent you are in: hand it a task, get the work back.

SEO Heatmap com.getseoheatmap/seo-heatmap

Google Search Console clicks per page for Claude, ChatGPT and Codex: trends, decay, opportunities.

School Timetable Builder io.github.wilbek-source/timetable-builder

Build a full weekly timetable for a primary school (classes, teachers, rooms) via chat.

Cognita net.fmelo/cognita

Passive OSINT and security recon: DNS, TLS, email posture, IP reputation, CVE/KEV, CT logs.

WhatSync for WhatsApp Business app.whatsync/whatsapp-business

Official WhatsApp Business API for AI agents: customer chats, templates, campaigns and Meta prices.

Company and Lead Research com.gptshopltd/lead-research

Emails and socials from company sites, WHOIS, live job listings, Hacker News and App Store search.

Arettic com.arettic/arettic

One key for agent data tools: emails, companies, search, scraping. Pay only for results that pass.

Qanvo Stock Screener app.qanvo/screener

Screen global stocks, options, ETFs and crypto in plain English, and set email alerts on any screen.

DomainSpace si.domainspace/domainspace

Register .si domains, manage DNS, and give your AI agent an email inbox on your own domain.

Eidari com.eidari/eidari

A profile you control: gives your AI your role, projects and preferences, across ChatGPT and Claude.

email-validation.org email validation org.email-validation/validate

Validate emails and run bulk jobs: status, reason and action for each address. Unknown is free.

ai-visibility-tracker io.github.gaelasao/ai-visibility-tracker

Is your brand mentioned and cited in ChatGPT, Perplexity, Gemini and Google AI answers?

Facebook Page Contact Finder io.github.corent1robert/facebook-page-contacts

Get email, phone, website and Instagram from public Facebook business pages for lead generation

Query the Slack Web API (bot token; set SLACK_BOT_TOKEN, xoxb): channels, history, post messages.

Encrypted, local memory for Claude, Codex/ChatGPT and Copilot. Needs the free Vitkilabs Anvil app.

beckett com.yourbeckett/beckett

Lets Claude, ChatGPT, and Muse read and update your beckett tasks, notes, calendar, and lists.

Find business leads with emails from Google Maps, Apollo.io and LinkedIn. Prepaid, API key.

Truelist io.truelist/mcp

Validate email addresses for deliverability and manage email validation batches with Truelist.

AngelBacked Angel Investors co.angelbacked/angel-investors

Search 58,000+ angel investors and VCs by market and location, see portfolios, and reveal emails.

MailBeast.ai ai.mailbeast/mailbeast

Run MailBeast.ai cold email from your AI assistant: campaigns, leads, mailboxes, replies, analytics.

LowlandData Company Identity com.lowlanddata/company-identity

GDPR-clean company enrichment: domain, logo, socials, EU VAT and email-security from a name.

AgentDiet A2A Indirect Prompt-Injection & Jailbreak Firewall dev.agentdiet/prompt-guard

Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections an.