MCP Server Directory

Autonomous B2B lead prospecting — 36 tools for campaigns, leads, and email outreach.

Commune

Email and SMS MCP server for AI agents — 41 tools for inboxes, sending, search, and SMS.

OrcaRouter

Browse 160+ LLM models and live pricing — no API key needed for catalog. Add key to route chat.

Voice Transcriber MCP Server

MCP server for transcribing Google Chat voice messages using Groq Whisper API

com.qmailing/mcp-server

AI agents read & send email, manage mailboxes, domains and webhooks via the QMailing API.

three.ws Brain

List LLM providers and run chat completions through the three.ws multi-provider router.

Proton Mail (unofficial)

Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP

Persistent AI agents that run 24/7 in your Slack, Telegram, SMS, or email.

AppDeploy turns app ideas described in AI chat into live full-stack web applications

MailboxValidator

Email validation MCP server using the MailboxValidator API. It can validate email addresses.

ai.smithery/smithery-notion

A Notion workspace is a collaborative environment where teams can organize work, manage projects,…

fish-bridge — Session Knowledge Graph

Compresses AI chat sessions into a typed knowledge graph. Local/offline via Ollama.

UnCorreoTemporal

Temporary email for AI agents: create inboxes, wait for emails, extract OTPs, verify signups.

Resend Email MCP

Complete Resend email MCP: full API coverage + debug layer (deliverability, DNS, bounces).

smails

Disposable email for AI agents: create a throwaway inbox and read verification emails over MCP.

Chamade

Voice and chat for AI agents — Discord, Teams, Meet, Slack, Zoom, Telegram, WhatsApp, NC Talk, SIP

dev.mailkite/mail-receive

Receive inbound email as clean JSON — manage domains, routes, and webhooks. MailKite.

The AI orchestration agent for modern software teams.

Corporate email and chat thread summarization parser.

DietBox

Patient, prescription, anthropometry, scheduling, chat and food diary management for dietitians.

com.bounceprotect.www/mcp

Email validation and SMTP verification for Claude Desktop, Cursor, and Claude Code.

Real-time polls, surveys, quizzes, trivia, Q&A, and word clouds for teams, educators, and creators.

Email A/B tests for AI agents: subject lines, managed sends, open/click tracking, and results.

Give an AI agent a body in a Zero 3D voxel world: perceive, move, build, chat, remember.