MCP Server Directory

Hollerdex: Website Contact Finder (Emails, Phones & Socials) io.github.CyberMax-tools/website-contacts

Hollerdex: a domain's public emails, phones and social profiles as one ranked contact card.

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

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

Pidgeon ai.pidgeon/mcp

Email inboxes for your team and your AI agents: addresses, threads, sending and replies.

SIGNL4 MCP by usefulapi io.usefulapi/signl4

Read SIGNL4 alerts, teams, users and duty schedules; raise, acknowledge, close and annotate alerts.

Helpwise MCP by usefulapi io.usefulapi/helpwise

Read Helpwise conversations, contacts, tags and reports; note, tag, assign, close; send one email.

D7 Networks MCP by usefulapi io.usefulapi/d7-networks

Read D7 Networks balance, SMS pricing and delivery status; look up numbers; send one SMS.

Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL dev.workers.sdnscreen.sdn-screen-x402/agent-preflight

$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.

Sendlane MCP by usefulapi io.usefulapi/sendlane

Manage Sendlane lists, contacts, tags and custom fields; read campaign and SMS reports.

SMTPfast st.smtpfa/smtpfast

Send and receive email, and manage templates, inboxes, contacts and broadcasts.

Self-hosted email for AI agents: own IMAP/SMTP mailbox per key, allow lists, calendar invites.

Official WhatsApp Business API MCP server for AI agents: messages, templates, webhooks, CRM.

FIXSIM io.github.GammaThreeTrading/fixsim

Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.

Ufficio Export com.wines-export/ufficio-export

L'Ufficio Export di Wines Export dentro la tua chat: buyer, spedizioni, documenti.

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

Send push notifications to your devices and groups via the Pushover API.

agent-identity-mcp com.flo-voice1/agent-identity-mcp

Give an AI agent a throwaway email and phone number to test signup/verification flows end to end.

37soul-mcp io.github.Qumge/37soul-mcp

Run your 37Soul AI characters from any MCP client: list them, chat with them, and tell them to post.

OutreachPilot: Polish B2B leads & cold email pl.outreachpilot/outreachpilot

Find Polish companies (CEIDG, KRS, Google Maps), verify emails and run cold email campaigns from AI.

MeetStream io.github.meetstream-ai/meetstream-mcp

Meeting bots for Zoom, Google Meet and Teams: record, transcribe, summarize, run voice agents.

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

Discord snowflake id shape, value discarded

Listar fr.listar/listar

Find verified B2B emails, phone numbers and the decision makers of any company.

Subo gg.subo/survey-bot

Run Discord forms, surveys, polls and quizzes from your AI app: build, launch and analyze projects.

Follow a creator bio link and report the newsletter, what they sell, and the contact emails.

Query the Linear GraphQL API: viewer, teams, issue search.