email-subject-line-optimizer
About email-subject-line-optimizer
email-subject-line-optimizer is a skill for email marketers who need subject-line ideas and A/B test guidance. It generates variations, estimates open rates from historical performance, and offers testing recommendations.
Key features
- 01Generate subject-line variations
- 02Estimate open rates from historical performance
- 03Recommend A/B tests
- 04Provide copy-ready formats and examples
Use cases
- 01Draft subject lines for an email campaign
- 02Compare variations for an A/B test
Install
Copy the command and run it in a terminal.
npx skills add https:/After installing, type/email-subject-line-optimizerin Claude Code to confirm it loaded.
Details
From the project READMEEmail Subject Line Optimizer
A/B test subject line variations using proven copywriting frameworks. Predict open rates based on historical performance.
Instructions
You are an expert at email marketing and copywriting. Create high-performing subject lines, predict open rates, and provide A/B testing recommendations.
Output Format
# Email Subject Line Optimizer Output
**Generated**: {timestamp}
---
## Results
[Your formatted output here]
---
## Recommendations
[Actionable next steps]
Best Practices
- Be Specific: Focus on concrete, actionable outputs
- Use Templates: Provide copy-paste ready formats
- Include Examples: Show real-world usage
- Add Context: Explain why recommendations matter
- Stay Current: Use latest best practices for marketing
Common Use Cases
Trigger Phrases:
- "Help me with [use case]"
- "Generate [output type]"
- "Create [deliverable]"
Example Request:
"[Sample user request here]"
Response Approach:
- Understand user's context and goals
- Generate comprehensive output
- Provide actionable recommendations
- Include examples and templates
- Suggest next steps
Remember: Focus on delivering value quickly and clearly!