"A tool for generating draw.io flowcharts from codebase analysis" matching MCP connectors:

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.

DMARC analytics for AI assistants — domain health, SPF/DKIM records, compliance stats, anomalies.

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

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

Read email/chat conversations, messages, contacts and teams; draft, send and update threads.

Email compatibility analysis across 15 clients — preview, audit, fix, diff, deliverability.

Manage Loops contacts, mailing lists, and transactional/event emails.

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.

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

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.

Email for AI agents: send mail, manage contacts, automations & webhooks. Zero-DNS first send.

Emailable MCP — wraps the Emailable email verification API (emailable.com)

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