MCP Server Directory

MailTester Email Verification com.mailtester/email-verification

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

adbtd com.adbtd/mcp

Email infrastructure as a service: mailboxes, domains, dedicated IPs, sending, deliverability.

knowsme dev.knowsme/memory

One memory for you and your AI agents, shared by ChatGPT, Claude, Gemini, Grok, Codex and Cursor.

FluxSocial app.fluxsocial/fluxsocial

Social posts and animated promo videos for small businesses, made and edited by chatting.

instagram-data com.superagnt/instagram-data

superagnt: marketing plugin for Claude and ChatGPT. Know your market: Instagram reels and hashtags.

Human Relay — ayuda humana remota site.chatgpt.alexvelez951205.human-relay-alex/human-relay

Spanish human assistance: phone tasks, offer sourcing, app tests. Catalog and quote drafts only.

UK Business Leads (via Apify) io.github.retracn/uk-business-leads

UK business leads from Google Maps with emails, phones, Companies House directors and outreach.

facebook-data com.superagnt/facebook-data

superagnt: marketing plugin for Claude and ChatGPT. Know your market: competitor ads on Facebook.

Cornelius bot.cornelius/cornelius

A personal agent with lasting memory and a morning brief, inside the Claude or ChatGPT you use.

Via Rapida Insurance (California) com.viarapidaservices/mcp

Licensed California insurance broker (CA #6003045), EN/ES: products, offices, quote in chat, quote s

ApiOne B2B Enrichment (GCC and MENA) io.github.MT285/apione

B2B company, people and email enrichment with cited sources, built for GCC and MENA companies.

Siftsmith Company Signals com.siftsmith/signals

Open jobs from a company's ATS, plus hiring, tech stack, intent, email-security and launch signals.

Firmfold: Company Enrichment API io.github.CyberMax-tools/company-enrichment

Firmfold: company enrichment by domain/email/name: logo, tech, contacts, jobs, firmographics.

Dutyfinch Tariff Lookup dev.workers.cybermax-tools.cybermax/dutyfinch-chatgpt

US import duty and HTS codes from the official USITC schedule, plus Section 301 China status. Free.

BoardMark ai.boardmark/boardmark

Issue board for teams: find, create and move issues, run sprints, comment and keep project docs.

The Gumroad API v2 from chat: products, files, sales, refunds, licenses, plus niche scans.

x402 Web Tools io.github.iparadise71/x402-web-tools

Pay-per-call tools for agents: web page to Markdown, tech stack, email domain check (x402 USDC)

Private OCR, web search, and attested AI chat, paid with anonymous credits bought with shielded ZEC

jobwyre app.jobwyre/jobwyre

Track job applications on a board: let Claude or ChatGPT read and update jobs, interviews, notes.

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

Inbox Zero io.github.elie222/inbox-zero

Search Gmail and Outlook, save drafts, manage email rules, and view email stats.

Contexel ai.contexel/contexel

Shared AI memory. ChatGPT, Claude, Cursor and any MCP app read and write the same memory.

task-board-todo-kanban io.github.theluckystrike/task-board-todo-kanban

A todo and task board in kanban form, driven from chat with full CRUD.

CoreNexis API com.corenexis/api

PDF from HTML or Markdown, OCR, email validation, image conversion and hosting, QR and barcodes.