MCP Server Directory

Validate email addresses by format, MX record, and disposable domain. No key required.

Email Auth Checker dev.workers.quietworklabs.email-auth-check/email-auth-check

SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts.

AI Catalog by Crescendo Lab com.cresclab.catalog/ai-catalog

Check if a product feed is ready for AI shopping (ChatGPT, Gemini, AI Mode): score, gaps, fixes.

Apex by DRIP: A/B testing for online shops com.drip-apex/mcp

A/B testing for online shops. Read results, build and preview test variations from chat.

AgentLinkOps com.agentlinkops/agentlinkops

Backlink monitoring with dated fetch evidence; checks and change events continue after the chat.

ChatterLab ai.chatterlab/chatterlab

Set up and improve AI chatbot agents: sources, test answers, weak answers, clients. Studio and up.

LivePublicator com.livepublicator/livepublicator

Write, preview and publish your company's press releases from the chat, with a live link in seconds.

Smia io.github.Smia-Technologies-AS/smia

Build your own tools from chat: design, test and host them on a shareable MCP server URL.

Create images, video and audio; chat with multimodal AI; manage assets and reusable workflows.

Auth Posture — Email Deliverability & Spoofability Audit app.rowb.auth-posture/audit

One-call domain audit: MX receiving, SPF/DMARC/DKIM spoofing protection, disposable-address risk.

HiddenSwap com.hiddenswap/swap

No-KYC crypto swaps, no account or email. Read-only quotes, coins, swap links, order status.

T.A.O. — Reach Home site.chatgpt.hendrixerceg.tao-reach-home/tao-reach-home

T.A.O. — Reach home. Signed agent check-ins and a public roster; no agent execution.

Stipp app.stipp/stipp

Notes and actions in one app. Let Claude or ChatGPT read and update them.

GoAI Moat AI Visibility Audit com.goaimoat/ai-visibility

Diagnose brand visibility in AI answers (ChatGPT, Perplexity, AI Overviews). Free + paid audits.

GTM Swag com.gtmswag/gtm-swag

Personalized, thoughtful gifts that help GTM teams get meetings. Agents prepare; people approve.

MoonlyBox MoonLink cn.moonlybox/moonlink

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

AndCo io.github.Ethan-YS/andco

Bring your own AI into group chats with your friends and their AIs. AndCo only carries messages.

Agent Exchange by Shekkizh site.chatgpt.sarath0210.shekkizh-agent-exchange/agent-exchange

Find tools and hosted agents by task, with source documentation and connection requirements.

AI Ventures site.chatgpt.predicata-9274.ai-ventures/ai-ventures

Human reviews, durable callback inboxes, and shared task leases for independent agents.

Kaiku tech.kaiku/kaiku

Issue tracker and wiki for teams and their agents: find, file and update issues, write pages.

Review Times fyi.reviewtimes/review-times

Live review times for AI app stores: ChatGPT, Claude, Muse, Grok, Cursor. Check before you submit.

SkyOS ink.skyos/memory

Main memory for Claude, ChatGPT or Codex: exact, dated notes of each project.

Firemark AI com.tryfiremark/firemark

Read how often ChatGPT, Perplexity, Gemini and Google AI name your brand, its rivals and sources.

Proxy Mail QA qa.proxymail/proxymail-qa

Test inboxes for your app's sign-up and login emails: get the code or link, or why none came.