MCP Server Directory

x402 Domain Lookup & DNS Email Auth dev.workers.microtools-x402.x402-dns-auth-checker/dns-auth-checker

Domain lookup (DNS records + RDAP registrar/age/expiry), bulk, and SPF/DKIM/DMARC audit via x402.

Pay-per-call x402 agent tools (USDC): web reader, token/wallet/email/site checks, screenshots, PDFs.

x402 Format Checker com.crewofthecaptain/format-checker

IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base

OCOLO Project Requests io.ocolo.www/project-requests

Submit a data center colocation requirement to OCOLO; reaches 270+ providers. Email-verified.

Synoptic com.synoptic/synoptic

Follow live feeds from Twitter/X, Telegram, press releases, SEC filings and more; publish your own.

Lettrove com.lettrove/lettrove

Design emails from a brief, send tests, send to your lists now or scheduled, and read delivery.

SpecStream ai.specstream/specstream

The live web data engine for teams and agents.

Hypamoon com.hypamoon/hypamoon

Where AI lives: sites, apps, data, domains, email, payments and a phone line, live from your chat.

MCP server for RustChain blockchain, BoTTube video, and Beacon agent messaging

Mode VC Chart: Best AI Model vs. Most Popular AI Chatbot com.modevc/chart-best-ai-model-vs-most-popular-ai-chatbot

Anthropic builds 14 of the Arena's top 50 models and OpenAI builds 5. But 44% of US adults use.

Spun WhatsApp MCP com.spun/whatsapp

Your business WhatsApp for any AI: read and search chats, digests, team stats, sends you approve.

AgentRXI com.agentrxi.mcp/agentrxi

232 pay-per-call agent tools: LLMs, search, browser, OCR, media, vision, email. x402 USDC.

GrowthVector io.growthvector/mcp

Free SEO, GEO, ads, and email marketing knowledge base: search guides, pages, glossary, and prompts.

Domain Trust Check (DNS, Email Auth, TLS, Headers) io.github.pcp183/domain-check

Check a domain's DNS, SPF/DMARC and TLS before trusting it. $0.003/call via x402.

Count and cut tokens in prompts, chats and agents for any model. Runs locally, collects no data.

email-intelligence dev.emailiq/email-intelligence

Email intelligence MCP: MX/SPF/DKIM/DMARC, score, enrichment. x402 on emailiq.dev/mcp.

RevenueBase ai.revenuebase/revenuebase

Find B2B contacts, inspect audience coverage, enrich emails, and verify deliverability.

Neopress ai.neopress/mcp

Build, publish, and grow SEO-ready websites just by chatting with your AI assistant.

Warmerly com.warmerly/warmerly

Cold email outreach: find leads, launch campaigns, fix deliverability, answer replies.

VerifyEmail com.tryverifyemail/verifyemail

Check whether an email address is real and will accept mail before you send to it.

ShellWire io.github.Kiragu-Maina/shellwire

Discover and compare software, read chatbot news, and submit applications for private review.

Mailvett: Email Validation API for AI Agents dev.workers.cybermax-tools.cybermax/mailvett

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

Wati io.github.wati-io/wati-mcp

Manage Wati WhatsApp and Instagram contacts, chats, campaigns and templates, plus Astra AI agents.

CueScout io.github.telman03/cuescout

Check if ChatGPT or Perplexity names a brand for a buying question, and if AI bots can read a site.