"Proton Mail" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.
Verify email addresses in real time and find business email addresses with live mailbox checks.
PDF engagement layer for apps and agents: tracking links, read analytics, and a full PDF toolset.
Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.
Send transactional email, run campaigns, manage contacts and automations, audit deliverability.
Transactional e-mail and permission-based campaigns, multi-tenant, with a full audit trail.
Coldrig — cold-email infra run by your agent: 28 MCP tools, live sending, free sandbox. $99/mo.
Verify email addresses and clean lists to improve deliverability and sender reputation.
Verify US & international addresses and send physical mail (postcards, letters, checks) via Lob.
Send transactional emails for AI agents via SMTP. Templates included.
Run personalised outreach campaigns and manage conversations using a virtual computer equipped with email capabilities, research tools, and workflow automation. Email Outreach by OpenHelm enables your agent to carry out work such as: • Prospect research • Personalised outbound email campaigns • Lead qualification • Follow-up sequences • Inbox monitoring and response handling
AI-first email platform: templates, audiences, journeys. Sends real email when the key allows it.
Build responsive HTML email campaigns from any brand website: design, QA, export.
Send real handwritten cards in the US. A machine writes each one in ink, then we mail it.
The first MCP server for physical mail: send postcards and letters, manage lists and campaigns.
Manage Scribe email signatures: templates, teammates, smart fields and campaigns, via OAuth.
Goal-directed email outreach: research, draft, send, triage replies. Real data, never fabricated.
An MCP server to send personalised direct mail.
