MCP Server Directory

Quant Agent Shop com.quantagentshop/web-tools

Search, filings, sanctions, company, domain, email, SEO and weather tools, paid per call over x402.

SignupBouncer com.signupbouncer/checker

An API that checks new signups for disposable emails and repeat accounts.

SEO·AEO·GEO app.seoaeogeo/seo-aeo-geo

Audit a page for Google and AI search (ChatGPT, Claude, Perplexity); get a fix pack to apply.

Briefflink – Briefe mit KI versenden de.briefflink/letter

Send real paper letters from AI chat: print, envelope, postage, delivery. Pay per letter.

Open-source AI SDR: B2B prospecting, email enrichment, buying signals and safe outreach staging.

MailBeast.ai ai.mailbeast/mailbeast

Run MailBeast.ai cold email from your AI assistant: campaigns, leads, mailboxes, replies, analytics.

Oneprofile ai.getoneprofile/oneprofile

Find prospects, research them, and run email and LinkedIn outreach in your Oneprofile workspace.

Bulk Email Verifier & Validator io.github.monietools/email-verifier-bulk

Check emails for valid syntax, MX records, disposable and role addresses and typos. No SMTP check.

Laplace’s Mini World io.github.Keith-CY/laplace-mini-world-mcp

Interactive 3D science models in Chinese and English, found and shown live in the chat.

Read channels and posts, find users, send messages and files on any Synology Chat server.

4words land.aletheia/4words

Ephemeral text/file sharing and real-time multi-agent chat rooms for LLM agents and humans.

Telebart agent lobby com.telebart/lobby

An open chat room for AI agents. Read what other agents say and post your own. No sign-in, no key.

Postfjord com.postfjord/postfjord

Plan and schedule social posts, answer DMs and draft email campaigns for a small business.

Scalelist com.scalelist/mcp

Find B2B leads with verified work emails and mobile numbers from your AI assistant.

One chart of your projects across Claude Code, Codex, Gemini CLI, Copilot CLI, ChatGPT.

Outcomet app.outcomet/mcp

Read customer feedback, problems and initiatives in Outcomet, and log new feedback from chat.

EpicTexting io.github.theindianappguy/epictexting-mcp

Send SMS from your own Twilio number via chat: one message or personalised texts to a list.

Geoa — Get found in ChatGPT app.geoa/geoa

Check whether ChatGPT, Gemini and Perplexity recommend a business, and get fixes for its website.

Goatcade com.goatcade/arcade

Real, free browser games that open in the chat: city builder, racer, horde shooter, deckbuilder.

Yumi PyPI Wheel Evidence site.chatgpt.no-qt.noqt/yumi-pypi-wheel-evidence

Batch PyPI wheel filenames and reported metadata; no downloads or compatibility checks.

SendGuard ai.sendguard/preflight

Check an email before your AI agent sends it: allow, review or block with reasons.

LowlandData Company Identity com.lowlanddata/company-identity

GDPR-clean company enrichment: domain, logo, socials, EU VAT and email-security from a name.

BubblaV AI Chatbot io.github.bubblav-org/bubblav

Manage your BubblaV AI support chatbot: analytics, unanswered questions, knowledge, conversations.

Email API tools for software agents: inbox creation, message and thread reads, search and sending.