"Most downloaded MCP servers" matching MCP connectors:
Matching Connector Tools:
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links.
Email for AI agents: read, search, send, organize, and schedule across your inboxes.
Your unified inbox — everything that reaches you, understood and actionable from your AI assistant.
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
DMARC analytics for AI assistants — domain health, SPF/DKIM records, compliance stats, anomalies.
Agent-run cold-email infra: 24 MCP tools, live sending, free sandbox. $99/mo, concierge go-live.
Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
Verify email deliverability & find business emails (single or bulk) via the Verifox API.
Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.
Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.
DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
Send email and read templates, marketing contacts, lists, stats, bounces and unsubscribes.
Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus.
Email verification for AI agents — verify, clean & validate emails; self-onboard + crypto pay
Email compatibility analysis across 15 clients — preview, audit, fix, diff, deliverability.
Read email/chat conversations, messages, contacts and teams; draft, send and update threads.
MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.
Read subscribers, groups, campaigns, fields, segments, automations, webhooks; safe additive writes.
Email for AI agents: send mail, manage contacts, automations & webhooks. Zero-DNS first send.