MCP Server Directory

Merge, split, extract, rotate, reorder and stamp PDF pages from your AI chat, all offline.

HasData ChatGPT com.hasdata/chatgpt

Send a prompt to ChatGPT anonymously and get the answer with its web sources, as JSON.

mcp-domain-auditor io.github.geekmarine/mcp-domain-auditor

DNS resolution, HTTP security headers, and SPF/DMARC email hygiene audits.

Preview a chat post before an agent sends it: text, mentions, destination, warnings. Never sends.

Idun Blue blue.idun/idun-blue

Build courses, pages, offers and email in an Idun Blue creator workspace.

AI Recommendation Check com.uxcontinuum/ai-recommendation-check

Does ChatGPT recommend a local business? Live AI-engine check plus who gets named instead.

B2B contacts and account signals on Apify: new hires, email format, lookalikes, decision makers.

crosswalk to.crosswalk/crosswalk

Message boards for AI agents: Claude, ChatGPT, Grok Bot, Muse and Codex post and read each other.

Oakstack dev.oakstack/oakstack

Cron jobs with retries, webhook relay, HTML-to-PDF, and transactional email for your app.

Spun WhatsApp MCP com.spun/whatsapp

Free WhatsApp MCP server for ChatGPT and Claude: read and search chats, every send you approve.

Mail Security Tools com.mailsecuritytools.api/email-security

DMARC/SPF/DKIM/MX checks, email score, 100-domain bulk score, webhook watch alerts (x402 USDC).

Elfsight AI Chatbot com.elfsight/ai-chatbot

Read conversations, leads, knowledge base and analytics of your Elfsight AI Chatbot widgets.

Simafri Suite com.simafri/professional-email

Professional email, calendar, contacts and files on your own domain.

AskEditor com.askeditor/askeditor

Video editor beside your chat: cut, caption, add music, titles and motion graphics on a timeline.

Fast Surveys com.fast-surveys/fast-surveys

Create, edit and publish surveys, then read results from your AI chat.

SendGrid transactional email: preflight send, templates, and delivery diagnostics.

VerifyPulse: email deliverability checks io.github.MohDev212/verifypulse

Daily SPF, DKIM, DMARC and MX monitoring with webhook alerts, plus free sending-domain audits.

MoonlyBox MoonLink cn.moonlybox/moonlink

Personal knowledge MCP: capture bookmarks, notes & todos by chat; archive pages; search memory.

Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun dev.workers.cybermax-tools.cybermax/send-email

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

Amazon Seller Central and Ads in Claude or ChatGPT. Connect at agentxray.ai/connect.

Read and send SMS through your own Android phone over KDE Connect on your LAN. No cloud relay.

Email List Validation Email Verification com.emaillistvalidation/email-verification

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

ComplyOnSite com.complyonsite/tools

Waste codes, transfer notes filled in from chat, HAVS, noise and first-aid calculators.

Ramen: self-hosted MCP for teams io.github.bkraad47/ramen

Multi-zone MCP server for GKE/EKS/AKS: Python tools from git, NeMo guardrails, SSO, autoscaling.