MCP Server Directory

Mailvett: Email Validation API for AI Agents io.github.CyberMax-tools/email-validate

Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict.

Squatch Stack cc.squatch/mcp

Squatch Stack: a shop that opens in the chat, essays, and requests to the studio. No sign-in.

Kaption WhatsApp (Cloud) io.github.Kaption-AI/mcp-extension-remote

Use WhatsApp from AI apps through the Kaption extension. OAuth 2.1 relay that cannot read messages.

AgentiSend io.github.fortuneflick/agentisend

Transactional email API for AI agents: verified domains, a per-sender budget, and a kill switch.

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.

Telerivet com.telerivet/telerivet

Send, automate, and orchestrate SMS, WhatsApp, Viber, IVR, and USSD messaging in 150+ countries.

ReplyLayer ai.replylayer/replylayer

Safe email for AI agents: a mailbox with inbound scanning, outbound checks and human review.

SentientMail com.sentientmail/email-platform

AI-first email platform: templates, audiences, journeys. Sends real email when the key allows it.

Ficiel MCP io.ficiel/ficiel

Read and search your Instagram, WhatsApp and LinkedIn DMs and prepare follow-ups you approve.

Enhanciar — company brain in.enhanciar/enhanciar

Ask your company's Slack, Gmail, Drive, Notion, Jira and code from any MCP client, with sources.

NameWheel org.namewheel/mcp

Fair random picks with the wheel in your chat: pick names, split teams, run certified draws.

Awayfolk app.awayfolk/awayfolk

Shared trip planner for Claude and ChatGPT: ideas, days, bookings and packing for the whole party.

Secret Santa Organizer com.secretsantaorganizer/secretsanta

Create a Secret Santa party with names, emails, a date, a place, and a budget.

Local-first memory of how you write: style profile and real reply examples from your chat exports

Inbox Zero io.github.elie222/inbox-zero

Search Gmail and Outlook, save drafts, manage email rules, and view email stats.

fnlowl com.fnlowl/fnlowl

Read and manage fnlowl widgets, leads, email sequences and analytics from an AI assistant.

Reps com.repsworkout/reps

Your Reps gym log in Claude or ChatGPT: workouts, PRs, progress, routines and training plans.

METODIC io.metodic/metodic

Design workshops from chat: 750+ facilitation methods, timed agendas, worksheets, slide decks.

ConnectMeGuru eSIM Server io.github.vineetgoyalhuf/connectmeguru-mcp

Official ConnectMeGuru MCP server: search 190+ travel eSIM data plans and buy in-chat.

Unlayer: Email, Page & Document Templates for Developers com.unlayer/mcp

Generate email, page & PDF document templates as React code (Unlayer Elements) or AI; edit visually.

PromoStash app.promostash/promostash

Search your private marketing email archive and organize collections with optional write access.

Web Content & URL Tools ai.avaloncompany/web-content-url-tools

26 tools: web pages to Markdown, metadata, tech stack, SSL, SEO, domains, email auth and SSO checks.

Clera com.getclera/clera

Hire from your AI chat: search 210k+ vetted startup candidates, review matches, request intros.

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.