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subject-writer
Generate and A/B test subject line variants
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
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Generate and A/B test subject line variants
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
Based on SOC occupation classification
Initialize a sklock workspace in a project — install sklock, scaffold the skills directory, infer requires[] dependencies from skill descriptions, generate skill.lock, and verify the workspace is healthy. Use when setting up sklock for the first time or onboarding a project that already has skills.
Format citations in APA, MLA, or Chicago style
A standalone skill with no dependencies
Gather sources, summarize findings, and produce a structured report
Condense long content into a concise summary
Retrieve raw content from a URL or local file path
| name | subject-writer |
| version | 0.2.0 |
| tags | ["writing","email"] |
| description | Generate and A/B test subject line variants |
Generate subject line variants optimised for open rate and run a quick A/B preference ranking before surfacing the top candidate.
product — product or offertone — one of urgent | curiosity | benefit (default: benefit)