"Tools or methods to help determine a technology stack" matching MCP connectors:

Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.

Agent-run cold-email infra: 24 MCP tools, live sending, free sandbox. $99/mo, concierge go-live.

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Verify email deliverability & find business emails (single or bulk) via the Verifox API.

MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.

Internet identity for AI agents: register or broker domains, email, DNS - pay by card or USDC.

Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.

Cameron Rye's blog, projects, resume, and live site stats, plus contact and newsletter tools.

Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.

Email marketing y transaccional AI-native: campañas, correos 1-a-1, contactos, flujos y métricas.

Scan and fix a domain's email deliverability (SPF, DKIM, DMARC, MTA-STS, BIMI, DNS blocklists).

Email infrastructure for AI agents — send, receive, search, and reply to email over MCP.

AI-powered virtual assistant that connects to Gmail, Outlook, Slack, Salesforce, HubSpot, Google Calendar, DocuSign, QuickBooks, and 20+ other services. Manage your entire professional life through a single Claude conversation — email, calendar, CRM, documents, travel, expenses, and more.

AI agent email — 23 tools free to read inbox, 28 paid to send. $9.99/mo. Token auto-provisioned.

Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).

Phone, SMS & email for AI agents. One remote MCP server (Streamable HTTP, OAuth or API-key auth, no local install) exposing call, sms, email, and event tools; also usable via CLI, Python SDK, and OpenAPI. Self-hostable, AGPLv3.

Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.

Apollo connects your sales data and outreach tools directly to your agent . Ask it to find leads, look up a company, write and send emails, or check how a campaign is performing. All from a conversation, without opening another tab.

Domain intel for AI agents: RDAP registration, DNS, email deliverability, tech stack.

Your AI agent just got a marketing team. SendPulse MCP Server provides full access to the SendPulse marketing platform — email campaigns, CRM, chatbots, SMTP, and online courses. 134 methods across 5 modules.