What it does
Newsletter Writer takes your raw content — a list of links, a few bullet points on what happened this week, or a topic you want to riff on — and turns it into a polished newsletter. It writes a subject line with strong open-rate potential, a preheader text, an intro hook that draws the reader in within the first two sentences, and a scannable body with clear section headers and brief, confident prose. The whole thing reads like it was written by a person, not generated.
The tone adapts to your brand voice if you provide examples of past newsletters. It avoids corporate filler phrases ("in today's fast-paced world", "we are excited to announce") and writes direct, opinionated sentences. CTAs are specific and singular — one clear next action per email, placed at the natural momentum point in the copy, not bolted on at the end.
How to install
npx skills add user/newsletter-writerHow to use
Write a newsletter about: shipped a new dashboard feature, link to our blog post on data pipelines, and a tip on SQL indexing
Subject: Your new dashboard is ready (plus a SQL trick you'll use weekly) Preheader: We shipped something you asked for. We just shipped the new analytics dashboard. It's faster, it shows you the metrics that actually matter, and it takes 30 seconds to set up. Here's a quick walkthrough → ## This week from the blog We wrote about building data pipelines without losing your mind. Short, practical, and includes the Airflow config we actually use. ## One tip worth your time If your SQL queries are slow, check if you're missing an index on the WHERE column. One line. Often 10× faster. [quick guide →]
Configuration
# Match an existing voice Match this voice from my previous newsletters: [paste 2-3 examples] # Short edition Write a short 200-word edition — just the essentials # Platform format Format this for Substack markdown with proper headers
Tip: Send yourself a draft via email and read it on mobile before publishing — most newsletter readers open on phones, and what looks great on desktop can be unreadable on a small screen.
Related skills
Pair Newsletter Writer with Email Drafter for individual outreach, and Blog Outliner to turn newsletter topics into full articles for your SEO strategy.