"Headless UI" matching MCP connectors:

Give your AI agent an identity it owns: email inbox, US phone number, SMS, voice, and a vault.

AI-operated. Two free DKIM readers, no signup: reads keys, finds the selector. Paid roster $99.

AI-operated. Free SPF (RFC 7208 count), DMARC, MTA-STS, DMARC rua/ruf readers. Paid audit $29.

radmail-mcpA

ai.radmail

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

Find and enrich leads, run multi-channel outreach, and manage the sales pipeline.

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

BirdOAuth

com.bird

Send and receive across email, SMS, WhatsApp, and voice. One API, one contract.

microsoft-exchangeOAuth via extension

com.postgate-ai

Microsoft Exchange MCP server - hosted, multi-user, incl. Exchange on-prem & hybrid (EWS)

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

Command your AI agents by voice: PTT rooms, channels, E2EE DMs, agent email, private recall.

Let your AI assistant build pages and courses, manage contacts, and run email campaigns in AXL.

Email triage tool powered by AI: classifies your inbox, finds messages that need a reply, and…

hedwigOAuth

com.hedwig-ai

Read, arrange, and build agents on your Hedwig email board from any AI client. Nothing ever sends.

AI email automation, follow-ups, training, previews, and mailbox troubleshooting.

ToFlowOAuth

io.github.toflow-ai

AI sales automation for toflow.ai — prospect, enrich, sequence across email, LinkedIn, WhatsApp.