varnan-tech/opendirectory · skills/newsletter-digest/SKILL.md

newsletter-digest skillA

newsletter-digest is agent-read markdown (skill) from varnan-tech/opendirectory: Aggregates RSS feeds from the past week, synthesizes the top stories using Gemini, and publishes a newsletter digest to Ghost CMS. Optionally outputs formatted Markdown for Substack or any other platform. Use when asked to generate a newsletter, create a weekly digest, summarize RSS feeds, compile top stories for a newsletter, or publish a digest to Ghost. Trigger when a user mentions newsletter digest, weekly roundup, RSS digest, compile top stories, or publish to Ghost..

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 varnan-tech/opendirectory/newsletter-digest@v1.0.0
Exact content
mdr add varnan-tech/opendirectory/newsletter-digest@sha256:ebf269229aa91bba

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_hjnikwllwdwysyvi.svg)](https://markdownregistry.com/a/art_hjnikwllwdwysyvi)

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Versions

versioncommittedcommitsizeaudit
v1.0.0 latest2026-04-14 cf4acb6 7,778 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 (7778 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

varnan-tech/opendirectory · 648 stars · license MIT · pushed 2026-08-16 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_hjnikwllwdwysyvi
GET https://markdownregistry.com/api/v1/resolve?ref=varnan-tech/opendirectory/newsletter-digest
GET https://markdownregistry.com/api/v1/blob/ebf269229aa91bbab98f14debaa3fffcd9eb1f78291a352889d05320af6e1628

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