MCP Server Directory

PaperAgent — Send Physical Mail dev.paperagent/letters

Mail one-off USPS letters from ChatGPT or Claude after you approve the preview and price. US only.

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

Neuro Agenda com.neuroagenda/agenda

Personal agenda and CRM with AI: people, companies, reminders, contracts, finances and WhatsApp.

Truelist io.truelist/mcp

Validate email addresses for deliverability and manage email validation batches with Truelist.

LotsBusiness business.lots/lotsbusiness

Get your business online and found: website, Google Business Profile, business email and listings

WhatSync for WhatsApp Business app.whatsync/whatsapp-business

Official WhatsApp Business API for AI agents: customer chats, templates, campaigns and Meta prices.

Workchats com.workchats/mcp

Read and act on your Workchats messages, tasks, meetings and files. You approve every send.

Recomma ai.recomma/recomma

What ChatGPT, Gemini and Google AI Overviews say about your brand, and which sources they cite

Oneprofile ai.getoneprofile/oneprofile

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

HelpWell ai.helpwell/helpwell

Manage your HelpWell help desk, knowledge base, live chat, contacts, email and marketing automation.

IMAP/SMTP email for iCloud, Gmail, Proton Bridge and more: search, read, follow threads, send.

Website Contact Scraper io.github.fernandoguiraud16-coder/website-contact-scraper

Company role emails, phones, address and social profiles from websites. No personal emails.

Mojeeb app.mojeeb/mcp

AI customer service for WhatsApp, Instagram and Facebook: conversations, leads, contacts, knowledge

x402 Email Verifier dev.workers.microtools-x402.x402-email-verifier/email-verifier

Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.

Google Ads MCP by InsightfulPipe com.insightfulpipe/google-ads

Hosted Google Ads MCP server for Claude, ChatGPT and Cursor, with each action switched per account.

Yumi Cost-Aware Diagnostic Planner site.chatgpt.no-qt.noqt/yumi-cost-aware-diagnostic-planner

Exact expected-cost diagnostic policies for caller-supplied finite deterministic fault models.

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

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.

CallRail MCP by InsightfulPipe com.insightfulpipe/callrail

Hosted CallRail MCP server for Claude, ChatGPT and Cursor, with each action switched per account.

Encrypted, local memory for Claude, Codex/ChatGPT and Copilot. Needs the free Vitkilabs Anvil app.

WbizTool com.wbiztool/mcp

Send WhatsApp and Telegram messages, manage reminders and check numbers in your WbizTool workspace.

SeoAiX SEO Audit com.seoaix/seo-audit

Free SEO & AI-search (AEO) audits for any site or Shopify store, with emailed weekly score reports.

ConverZAP — WhatsApp (official API) com.converzap/mcp

WhatsApp via the official Meta API: contacts, conversations, messages, CRM deals and campaigns.

NoBounce Email Validation io.github.notprathap/nobounce-mcp

Real-time single and bulk email validation (syntax, MX, 5,000+ disposable domains, SMTP).