Email Template Builder

Tier: POWERFUL Category: Engineering / Marketing Tags: email templates, React Email, MJML, responsive email, deliverability, transactional email, dark mode

Overview

Build complete transactional email systems: component-based templates with React Email or MJML, multi-provider sending abstraction, local preview with hot reload, i18n support, dark mode, spam optimization, and UTM tracking. Outputs production-ready code for any major email provider.

This skill builds the email rendering and sending infrastructure. For writing email copy and designing sequences, use email-sequence.

Clarify First

Before building the templates, settle the inputs below. When one is missing or vague and would change the result, ask about it; when it wouldn't, use a sensible default and say which one you used.