MCP Server Directory

DomainDNA dev.workers.cybermax-tools.cybermax/domaindna-api

Tech stack, email security (SPF, DMARC, MX provider) and domain age API + MCP. 25 free domains/day.

Userport io.userport/userport

Read and answer support conversations, and run outbound email and chat sequences, from your AI.

WebinarIgnition com.webinarignition/mcp

Webinar leads, registrants and revenue from WordPress and WooCommerce, in the chat.

Dataset Cleaner & Exporter io.github.Nero-Engine/dataset-cleaner-exporter

Dedupe, flatten and clean messy JSON rows (emails, phones, URLs, HTML) in one call, as JSON or CSV.

BulkSMS MCP by usefulapi io.usefulapi/bulksms

Read BulkSMS messages, replies, profile and webhooks; send SMS to up to 10 numbers.

ReminderIt com.reminderit/reminderit

Schedule real phone-call reminders with WhatsApp follow-up — medication, wake-ups, family check-ins.

Mails.ai — Agent Email ai.mails/agent-email

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

Pantry Buddy com.bonbrain/pantry-buddy

Your kitchen in chat: pantry stock, shopping lists, recipes and scanned grocery receipts.

em[ai]l ai.eml/email

Read and draft email you forward to a private alias. Agents cannot send or delete mail.

Check whether ChatGPT, Perplexity and Gemini recommend a business. By Cited (cited.voreli.ai)

Connected Apps io.github.pollinations/composio

Read Gmail, search GitHub, update Sheets, and post to Slack through Composio.

Discord snowflake id shape, value discarded io.github.sadri-dridi/discord-id-ok

Discord snowflake id shape, value discarded

LNX QR codes net.lnx/qr

Styled, print-ready QR codes for links, text, email or phone, with frames and custom colors.

IP Judge org.ipjudge/ipjudge

Check an IP or your own network exit before using ChatGPT, Claude, Gemini or Meta Muse.

SMTPing Email Verification io.github.smtping/smtping-mcp

Verify email addresses, clean lists and check spamtrap, disposable, spambot and complainer lists.

Send and manage email via the SendHustle API — emails, domains, contacts, audiences, campaigns.

Agency AI – Meta & Google Ads Automation app.agencyai/agency-ai

Create, launch, and manage Meta + Google ads from Claude and ChatGPT.

Voix contact co.lbm/contact

Reach a human at Voix: submit the studio contact form and get a reply by email.

HelpCrunch MCP by usefulapi io.usefulapi/helpcrunch

Manage HelpCrunch chats, customers, agents and knowledge-base articles.

Lettio MCP eu.lettio/mcp

Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send.

Session Relay io.github.dimitrihilverda/claude-session-relay

Self-hosted relay: agent sessions on different machines share a board, chat and check git conflicts

Pay-per-request GPT chat, embeddings, agents and prepaid keys with local x402 USDC signing

TableProof Review and Result Checks site.chatgpt.mitchellwhite.tableproof-data/tableproof

CSV structural checks and keyed diffs, SRT formatting, MCP result checks and review discovery.

Email verify (MX), website contacts, LinkedIn jobs, YouTube data via RapidAPI. Bring your own key.