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email-subject-line-optimizer

A/B test subject line variations using proven copywriting frameworks. Predict open rates based on historical performance.

Packaged view

This page reorganizes the original catalog entry around fit, installability, and workflow context first. The original raw source lives below.

Stars
62
Hot score
92
Updated
March 20, 2026
Overall rating
C3.5
Composite score
3.5
Best-practice grade
B84.0

Install command

npx @skill-hub/cli install onewave-ai-claude-skills-email-subject-line-optimizer

Repository

OneWave-AI/claude-skills

Skill path: email-subject-line-optimizer

A/B test subject line variations using proven copywriting frameworks. Predict open rates based on historical performance.

Open repository

Best for

Primary workflow: Ship Full Stack.

Technical facets: Full Stack, Testing.

Target audience: Development teams looking for install-ready agent workflows..

License: Unknown.

Original source

Catalog source: SkillHub Club.

Repository owner: OneWave-AI.

This is still a mirrored public skill entry. Review the repository before installing into production workflows.

What it helps with

  • Install email-subject-line-optimizer into Claude Code, Codex CLI, Gemini CLI, or OpenCode workflows
  • Review https://github.com/OneWave-AI/claude-skills before adding email-subject-line-optimizer to shared team environments
  • Use email-subject-line-optimizer for development workflows

Works across

Claude CodeCodex CLIGemini CLIOpenCode

Favorites: 0.

Sub-skills: 0.

Aggregator: No.