newsletter-writer SKILL.md skillA

newsletter-writer from qa-aman/claude-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add qa-aman/claude-skills/newsletter-writer@git:20260808.7dfb5c7

Pins git:20260808.7dfb5c7 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
qa-aman/claude-skills
Path
skills/by-role/marketing/newsletter-writer/SKILL.md
Versions recorded
2
Latest version
git:20260808.7dfb5c7, committed Aug 8, 2026
First version recorded
May 4, 2026
Size
18,686 bytes
Repository stars
21
License
MIT

Write recurring newsletter issues with a consistent format and POV using the Curiosity Gap (George Loewenstein) and David Perell's Online Writing framework. Different from one-off emails (use /content-writer or /email-nurture). Use when the user asks for a newsletter, weekly/monthly newsletter, "write this week's issue", recurring email, Substack issue, internal newsletter, or any periodic publication with subscribers. Reads brand voice and content library from knowledge/. For a nurture or…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# newsletter-writer

Writes recurring newsletter issues. Optimizes for consistent format, distinctive POV, and subscriber retention. Uses the Curiosity Gap (George Loewenstein) to engineer subject lines and Perell's Online Writing framework to discipline every issue to one shiny idea.

## Frameworks

### Curiosity Gap - George Loewenstein

Curiosity is triggered when there is a gap between what we know and what we want to know. For a gap to work, it must be:
- **Specific enough** to feel real (not vague)
- **Small enough** to feel closeable (not overwhelming)
- **Valuable enough** to be worth closing (the payoff must be implied)

Loewenstein's key finding: curiosity peaks when you know JUST ENOUGH to know what you're missing.

Why "5 tips for better writing" fails: you don't know what you're missing.
Why "The one email mistake that costs 40% of your opens" works: you know exactly what gap exists.

**Subject line formula:** `[Specific thing the reader doesn't know] + [implied payoff if they close the gap]`

Examples:
- "Why your best email went to spam" - specific gap, implied cost
- "The metric 80% of SaaS CMOs ignore" - you don't know which one, but you know it matters
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add qa-aman/claude-skills/newsletter-writer@sha256:6fde30c141e46990

The line at the top of this page pins the label git:20260808.7dfb5c7, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_qddjktobnosf3332.svg)](https://markdownregistry.com/a/art_qddjktobnosf3332)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, between May 4, 2026 and Aug 8, 2026, about one every 96 days.

versioncommittedcommitsizeaudit
git:20260808.7dfb5c7 latest2026-08-08 7dfb5c7 18,686 BA view · diff
git:20260504.0d54b6b2026-05-04 0d54b6b 11,145 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (18686 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

qa-aman/claude-skills · 21 stars · license MIT · pushed 2026-10-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_qddjktobnosf3332
GET https://markdownregistry.com/api/v1/resolve?ref=qa-aman/claude-skills/newsletter-writer
GET https://markdownregistry.com/api/v1/blob/6fde30c141e46990d4ff7481006d9af712d01ad4531682a6df734667bb3030dc

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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