subject-line-lab
aaron-he-zhu930 installs
Find email subject lines worth testing first.
What it does
Creates and ranks email subject lines with matching preheaders, flagging likely spam patterns and preview truncation before testing.
When to use it
Use to generate or pre-screen subject lines and preheaders before a test, for promotional, cold-outbound, or newsletter emails.
How to use it
Give it subject candidates or an offer/angle; it returns labeled subjects and preheaders, heuristic assessment cards, and a ranked shortlist.
What you provide
- subject candidates or an offer/angle
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What you need · 0
No setup requirements listed.
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This skill
memory/hot-cache.md
Write
Saves findings to agent memory
memory/open-loops.md
Write
Records findings in open loops