Substack Ghostwriting

Quality score: 70/100 · Category: Content · Sub-category: writing

Write, optimize, and grow Substack content — both newsletter issues (email-first) and web posts (web-first articles/essays). Covers ghostwriting with voice matching, Substack algorithm optimization, Notes strategy, email formatting, SEO, growth tactics, and monetization planning. Use when the user mentions Substack, newsletters, write a newsletter issue, Substack post, Substack article, web post on Substack, evergreen content, SEO for Substack, newsletter growth, Notes strategy, ghostwrite for, match someone's voice, write in the style of, newsletter monetization, paid subscribers, or any task involving Substack as a platform. Also trigger for general article/newsletter writing even if Substack isn't named explicitly, or when the user wants to adapt existing content (blog post, talk, thread) into newsletter or web post format. Do NOT use for generic blog post writing without a newsletter/Substack context (-> See samber/cc-skills@technical-article-writer skill).

What this skill does

Substack Ghostwriting is a production-ready Claude Code skill (quality score 70/100) in the writing sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/substack-ghostwriting/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user mentions Substack, newsletters, write a newsletter issue, Substack post, Substack article, web post on Substack, evergreen content, SEO for Substack, newsletter growth, Notes strategy, ghostwrite for, match someone's voice, write in the style of, newsletter monetization, paid subscribers, or any task involving Substack as a platform. Also trigger for general article/newsletter writing even if Substack isn't named explicitly, or when the user wants to adapt existing content (blog post, talk, thread) into newsletter or web post format.

Who uses this skill

The Substack Ghostwriting skill is built for content creators, marketers, copywriters, SEO professionals, and editorial teams. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/substack-ghostwriting
curl -L https://claudskills.com/skills/substack-ghostwriting/SKILL.md \
  -o ~/.claude/skills/substack-ghostwriting/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/substack-ghostwriting/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/substack-ghostwriting/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\substack-ghostwriting\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.