What problem does it solve? Designing effective multi-email automated flows is hard: teams struggle with sequence structure, timing, subject lines, and copy that converts. This Skill provides a complete framework for planning, writing, and optimizing email sequences from welcome series to win-back campaigns. ## Core Features & Use Cases - Sequence Design: Build welcome, lead nurture, onboarding, re-engagement, and post-purchase sequences with recommended lengths, timing, and per-email goals. - Email Type Reference: Audit or implement lifecycle emails across onboarding, retention, billing, usage, win-back, and campaign categories using a detailed checklist. - Copy & Testing Guidelines: Apply proven subject line patterns, preview text rules, CTA structure, personalization, segmentation, and A/B testing practices. - Use Case: A SaaS team needs a 14-day trial onboarding sequence that drives users to their aha moment. The Skill produces a 5-7 email plan with timing, subject lines, full copy, CTAs, and metrics benchmarks. ## Quick Start Ask the agent to create a welcome email sequence for new trial signups, including timing, subject lines, and full copy for each email.