Email Copywriting

Email Copywriting is a Writing skill for Claude Code, published by revfactory in harness-100.

1.2K stars424 forkson revfactory/harness-100Added 2026/07/20+1% in starsRepository updated 2026/03/22

Install in seconds

Install Email Copywriting

Copy Email Copywriting into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/revfactory/harness-100/tree/main/en/03-newsletter-engine/.claude/skills/email-copywriting ~/.claude/skills/email-copywriting

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/revfactory/harness-100.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: en/03-newsletter-engine/.claude/skills/email-copywriting/skill.md in revfactory/harness-100
Installs to: ~/.claude/skills/email-copywriting
Collection: One of 51 skills cataloged from this repository
Category: Writing — 1361 skills

What Email Copywriting does

Provides subject line psychology, preheader optimization, CTA design, and scannable body structure methodologies for effective email copywriting and newsletter creation.

Email Copywriting is cataloged under Writing on DirSkills.

Documentation

README

Excerpt

Email Copywriting — Email Copywriting Methodology

Writing techniques specific to the email medium, used by the copywriter agent when crafting newsletters.

Why Email Copy Is Different

Blog posts are found via search. Social media posts are discovered in feeds. Emails must be opened from the inbox to be read. The battle is won or lost at the subject line, and within 7 seconds of opening, readers decide whether to scroll or close.

Subject Line Design: The CURVE Framework

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Email Copywriting

What else does revfactory publish alongside Email Copywriting?
Email Copywriting is one of 51 skills that DirSkills catalogs from revfactory/harness-100, the repository it ships in. Its siblings there include Ad Copywriting Formulas, Advertising Campaign and Argumentation Framework. Each one is a separate skill with its own page in this directory, installs the same way Email Copywriting does, and is maintained by revfactory in that same repository. The rest of the collection is listed on the revfactory/harness-100 page.
How does Email Copywriting compare to other Writing skills?
Email Copywriting ranks #381 by stars among the 1361 Writing skills in this catalog. The most-starred ones next to it are Article Writing, Social Media Content Calendar and Knowledge Comic Creator. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Email Copywriting against them. Open each page to compare what they document and how they install.