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.

Connected Apps io.github.pollinations/composio

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

Agent Inbox — direct agent-to-agent messaging with receipts com.a2awire/agent-inbox

Free agent-to-agent inbox: send, claim, ack. Register in-session, no signup.

Memchats com.memchats/memchats

Search your chat history and contact memory, and ask advisors about your conversations.

Superpowers tools.superpowers/superpowers

Pay-per-call tools for agents: search, page reading, emails, company data, media. Sign in, no key

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.

RelayShield Scam Checks io.github.nzdsf2-gif/relayshield-free-mcp

Free scam checks for links, wallets, emails, and breach exposure. No signup.

Agent Email List — Free SMTP Relay for AI Agents com.agentemaillist.ai/free-transactional-email-smtp-relay

Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.

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.

Derrick com.derrick-app/derrick

B2B data enrichment: verified work emails, phones, firmographics, tech stack, hiring signals.

Slack channel name shape, value discarded io.github.sadri-dridi/slack-channel-ok

Slack channel name shape, value discarded

Log expenses, receipts and mileage from chat: auto-categorise, split VAT, summarise, export, rebill.

404KIN FIELD Transaction Intent site.chatgpt.cv5gyqnshz.field-404kin/transaction-intent

Token intent checks; no simulation/signing. Free trial ends 2026-09-25. No NFT required.

chatbase co.chatbase/chatbase

Manage Chatbase agents, sources, conversations and help-desk tickets.

SMTPfast st.smtpfa/smtpfast

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

AI Wave com.elopstudio.aiwave/ai-wave

AI model releases, price changes and deprecations in one feed: chat, embedding, speech, video.

SignatureForever com.signatureforever/email-signatures

Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.

turbopress Hosting de.turbopress/hosting

Manage turbopress hosting from Claude or ChatGPT: site health, domains, mail, SSL and AI Launch.

expenses-tracker io.github.theluckystrike/expenses-tracker

Track expenses from your AI chat: log, categorize, monthly CSV reports. All data is local.

GO AI Tools app.goaichat/tools

31 no-AI tools: image conversion and EXIF stripping, App Store assets, colour maths. No API key.

Chasync com.chasync/chasync

Connect AI assistants to Chasync CRM for leads, funnels, forms, email templates and analytics.

RankRoot: AI visibility audit io.github.zachhhhh/rankroot

Audit a site's visibility to ChatGPT, Perplexity, Claude and AI agents. Generates llms.txt.

Traffic Parrot com.trafficparrot/public

Traffic Parrot simulates APIs and messaging. Request or withdraw a trial, read docs, send feedback.

CheckTaJob com.checktajob/checktajob

Job search tracker for Claude and ChatGPT: applications, interviews, follow-ups, company watch.