MCP Server Directory

Build and send interactive email campaigns: studio editing, contacts, sending, results.

Postio — UK Address, Postcode, Email & Phone Validation

Validate UK addresses, postcodes, emails and phone numbers — Royal Mail PAF, live SMTP and HLR.

Capture feature requests and bug reports from chat into a searchable, AI-categorized backlog.

Upload files and get public CDN links in chat.

Calaf

Run your Calaf recruiting book from chat: firms, people, pipeline, calendar, notes, and prep.

com.mambabuilt/mcp-domain-deliverability-checker

Audit a domain email deliverability via Apify: SPF, DKIM, DMARC, MX, blacklist, catch-all, age.

Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.

Send SMS, WhatsApp & email, manage contacts and campaigns, and pull reports via Pulseem.

ai.smithery/miguelgarzons-mcp-cun

Greet people by name with friendly, personalized messages. Add a warm touch to onboarding, demos,…

Global Chat — x402 MCP Agent Discovery (LangGraph, CrewAI, Eliza, A2A)

x402-paid MCP server on Base L2 — LangGraph/CrewAI/Eliza/A2A agent-discovery + agent-marketplace.

ai.syntheticbrew/syntheticbrew

Embed an AI chat widget on your website from your coding agent: provision, configure, get snippet.

An MCP server that provides tools to validate an email address using Dilli Email Validation API.

People-enrich: work email + phone, company & domain enrichment. Pay-per-call USDC, no key.

Chat with your Pally, the AI assistant in your texts, from any MCP-compatible AI app.

MisarMail MCP Server

Send transactional email, run campaigns, manage contacts and automations, audit deliverability.

First dedicated sailing MCP — America's Cup, SailGP, Vendée Globe. Events, venues, teams, schedule.

Decentralized task broker and message relayer for multi-agent swarms.

Microsoft Teams API

AI-native Microsoft Teams integration — read chats, send messages, search people

Microsoft 365 Teams

Microsoft 365 Teams via Graph: list chats, read/send messages, list teams/channels, presence.

htmlweb.ru — справочники и проверки для AI

RU INN/OGRN, banks, geo, WHOIS. Agent self-registers via register_agent. 20 free/day.

PERSONAIZER

Free MCP API to create AI chat personas for websites — upload knowledge, search, and chat

Crisp

Customer support, live chat, CRM and helpdesk on Crisp with the full official REST API v1 (api.crisp

Manage Loops contacts, mailing lists, campaigns, and transactional email from your Loops account.

Wedyesday — wedding planning

Plan a wedding in chat: search vendors, get regional costs, build a checklist and budget.