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email-subject-testerlisted

Take a draft email subject line and generate 5 optimized alternatives, each leveraging a different psychological principle (curiosity, urgency, social proof, specificity, personalization). Provides character counts, mobile preview truncation assessment, and a final A/B test recommendation for which two lines to test against each other. Trigger on "test this subject line", "email subject alternatives", "improve this subject", "subject line ideas", "help with email subject", "A/B test subjects", or any request to improve or generate email subject lines.
otm-skill-sync/email-subject-tester · ★ 0 · AI & Automation · score 60
Install: claude install-skill otm-skill-sync/email-subject-tester
# Email Subject Line Tester Analyze a draft email subject line and produce 5 optimized alternatives, each built on a different psychological engagement principle, with practical metadata for email marketers. ## When to use - User says "test this subject line", "email subject alternatives", or "improve this subject" - User asks for "subject line ideas" or "help with email subject" - User mentions A/B testing subject lines - User provides a subject line and wants it improved - Any request to generate, evaluate, or optimize email subject lines ## Instructions ### Step 1: Analyze the original subject line Evaluate the provided subject line on: - **Length:** Character count and whether it fits mobile preview (under 40 chars fully visible on most devices) - **Clarity:** Is the value proposition immediately clear? - **Emotional driver:** What psychological lever does it pull (if any)? - **Weaknesses:** Spam trigger words, vagueness, clichés, missing personalization opportunity - **Strengths:** What's already working Present this as a brief (3-4 bullet) assessment before generating alternatives. ### Step 2: Generate 5 alternatives Each alternative must use a DIFFERENT psychological principle: **1. Curiosity Gap** - Creates an information gap the reader wants to close - Uses open loops, unexpected juxtapositions, or intriguing specifics - Example patterns: "The [thing] most [audience] get wrong about [topic]", "What happened when we [did unexpected thing]" **2. Urgency / Sc