newsletter-writer

Automate drafting and refining Substack newsletter articles from raw notes.

Updated Apr 8, 2026
One-click install
npx skills add https://github.com/martiraste-lgtm/claude-skills --skill newsletter-writer-martiraste-lgtm
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: newsletter-writer
Source: https://github.com/martiraste-lgtm/claude-skills/tree/main/newsletter-writer
Command: npx skills add https://github.com/martiraste-lgtm/claude-skills --skill newsletter-writer-martiraste-lgtm

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill assists in creating and refining long-form editorial articles for Stefano's newsletter, turning rough notes into structured, on-brand pieces that align with a defined voice and patterns.

Core Features & Use Cases

  • 3 Modes: from raw notes to publish-ready article, new-angle rewrites, and editorial consulting.
  • Tone & Structure Guidance: adheres to the style-guide, article-patterns, and category taxonomy to ensure consistency.
  • Operational Workflow: generates outlines, hook options, headlines, and section ideas to accelerate drafting.
  • Real-World Scenarios: can transform a brainstorming draft into a complete Substack piece ready for review.

Quick Start

Provide a topic and angle, then request an outline for the article.

Frequently Asked Questions about newsletter-writer

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I turn raw notes into a structured Substack newsletter article?

To turn raw notes into a Substack newsletter article, you provide a topic and angle to generate outlines, hooks, headlines, and section ideas, refining the draft into a publish-ready piece that adheres to specific style guidelines.

What is the best way to generate new angles for startup strategy and product marketing articles?

The best way to generate new angles for startup strategy and product marketing articles is using a new-angle rewrite mode, which applies editorial consulting logic to reframe existing drafts while maintaining consistency with a defined category taxonomy.

Can I use this to draft long-form editorial pieces for go-to-market strategy?

Yes, you can draft long-form editorial pieces for go-to-market strategy. The workflow is designed for long-form product marketing and startup strategy articles, transforming brainstorming drafts into complete, on-brand pieces ready for review.

Do I need a reference style guide to automate newsletter writing?

Yes, you need a reference style guide to automate newsletter writing. The process requires reference guidance and stylistic constraints to produce outlines, hooks, and polished drafts that follow the required voice and article patterns.

How does the editorial consulting mode work for newsletter content refinement?

Editorial consulting mode works for newsletter content refinement by applying tone and structure guidance to raw inputs, generating operational workflow elements like headlines and outlines to ensure the final piece aligns with the defined style guide.