writing-substack

Generate hook-driven Substack Notes within a 500-character limit.

12|4|Updated Mar 14, 2026
One-click install
npx skills add https://github.com/mshadmanrahman/pm-pilot --skill writing-substack
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: writing-substack
Source: https://github.com/mshadmanrahman/pm-pilot/tree/main/skills/content/writing-substack
Command: npx skills add https://github.com/mshadmanrahman/pm-pilot --skill writing-substack

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Quickly craft platform-optimized Substack Notes that fit the 500-character limit while maximizing engagement and clarity, removing guesswork around hooks, structure, and hashtags.

Core Features & Use Cases

  • Hook-first format: Produces a bold, attention-grabbing first line that delivers on its promise.
  • Concise structure: Generates 1–3 short paragraphs, a clear CTA, and suggests 2–4 relevant hashtags.
  • Use Case: Turn a topic or idea into a ready-to-post Substack Note for newsletters, audience growth experiments, or social cross-posting.

Quick Start

Write a 400-character Substack Note about "product management lessons" with a strong hook, two brief paragraphs, a CTA, and three suggested hashtags.

Frequently Asked Questions about writing-substack

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

FAQPage Schema
How do I write a Substack Note that fits the 500-character limit?▼

To write a Substack Note under 500 characters, use a hook-first format with 1–3 short paragraphs, a CTA, and 2–4 hashtags. This ensures concise, engaging content that strictly satisfies platform character counting constraints.

What is the best structure for Substack Notes to maximize audience growth?▼

The best structure for Substack Notes relies on a bold, attention-grabbing hook followed by 1–3 brief paragraphs and a clear CTA. This one-idea-per-note format maximizes clarity and engagement for audience growth experiments.

Can I generate social snippets from long-form newsletter posts for Substack?▼

Yes, you can generate social snippets from long-form newsletter posts by distilling the topic into a single idea. The output produces an attention-grabbing hook, concise paragraphs, and suggested hashtags optimized for Substack Notes.

Does every Substack Note need a hook and hashtags?▼

Every Substack Note requires a hook and hashtags to maximize engagement. The hook delivers an attention-grabbing first line, while 2–4 suggested hashtags improve discoverability for thought-leader threads and cross-posting.

Why do my Substack Notes exceed the 500-character platform constraint?▼

Substack Notes exceed the 500-character constraint when lacking strict character counting during drafting. Using a conversational voice with a one-idea-per-note constraint ensures the hook, paragraphs, CTA, and hashtags fit accurately.