T3 VERIFIED

cognyai/claude-code-marketing-skills/subject-line-lab

cognyai·Marketing·cognyai/claude-code-marketing-skills·skills/subject-line-lab/SKILL.md ↗·Updated May 20, 2026

cognyai/claude-code-marketing-skills

community

Install

# npm
$ npx vskill@latest install cognyai/claude-code-marketing-skills/subject-line-lab

# bun
$ bunx vskill@latest install cognyai/claude-code-marketing-skills/subject-line-lab

# pnpm
$ pnpx vskill@latest install cognyai/claude-code-marketing-skills/subject-line-lab

# yarn
$ yarn dlx vskill@latest install cognyai/claude-code-marketing-skills/subject-line-lab

# alternative
$ npx vskill@latest install cognyai/claude-code-marketing-skills --skill subject-line-lab

──Security

Tier 1PASS 95/100Tier 2PASSView full security report →

──Quality Evaluation

No evaluation data available yetView eval results →

Popularity

48stars5forks247d trend

Works with

Works with all 39 vskill-compatible agents

Claude Code

Cursor

GitHub Copilot

Windsurf

Codex

Gemini CLI

ClineAmp

Embed badge

Markdown

[![vskill VERIFIED](https://verified-skill.com/api/v1/skills/cognyai/claude-code-marketing-skills/subject-line-lab/badge)](https://verified-skill.com/skills/cognyai/claude-code-marketing-skills/subject-line-lab)