travsteward/openwriter · skills/newsletter-writer/SKILL.md

newsletter-writer skillA

newsletter-writer is agent-read markdown (skill) from travsteward/openwriter: Channel-master writer for email newsletter. Weekly pipeline: scaffold structure, gather data, query the author, synthesize in their voice, review, send. Companion doc workflow. Voice-matched via the authors-voice skill. Works for any behind-the-scenes weekly newsletter built on proven content. Use when: "/newsletter-writer", "newsletter", "draft newsletter", "scaffold newsletter", "newsletter gather", "newsletter review", "newsletter send", "newsletter status", "newsletter to blog", "convert ne.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add travsteward/openwriter/newsletter-writer@v0.2.0
Exact content
mdr add travsteward/openwriter/newsletter-writer@sha256:03b6141e549d69b8

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_kws7hwfhaxvo6cq6.svg)](https://markdownregistry.com/a/art_kws7hwfhaxvo6cq6)

1 badge views in 30 days

Versions

versioncommittedcommitsizeaudit
v0.2.0 latest2026-06-10 e17b9d2 34,262 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, 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 (34262 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

travsteward/openwriter · 30 stars · license MIT · pushed 2026-09-08 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_kws7hwfhaxvo6cq6
GET https://markdownregistry.com/api/v1/resolve?ref=travsteward/openwriter/newsletter-writer
GET https://markdownregistry.com/api/v1/blob/03b6141e549d69b84267c05db94d031c9a4fe6acbfcdc8bf81f3fa0769e9f2cb

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.