martinholovsky/sota-skills · skills/sota-ruby/SKILL.md

sota-ruby skillA

Name: sota-ruby
Author: martinholovsky

sota-ruby is agent-read markdown (skill) from martinholovsky/sota-skills: State-of-the-art Ruby engineering rules (2026 baseline, Ruby 3.4+ / 4.0) that Claude applies when writing or auditing Ruby. Covers modern idioms (frozen string literals, pattern matching, Data/Struct, RBS/Sorbet/Steep typing), security (SQL injection via ActiveRecord/Sequel, ERB/XSS escaping, mass assignment, CSRF, Marshal/YAML deserialization, command injection, ReDoS), framework-neutral web hardening (Rails/Sinatra/Hanami as neutral examples), supply chain and tooling (Bundler lockfile and che.

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 martinholovsky/sota-skills/sota-ruby@git:20260820.7720f5a

Exact content

mdr add martinholovsky/sota-skills/sota-ruby@sha256:39124b14a8e6a2f4

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](https://markdownregistry.com/badge/art_er47waoqsggukbmc.svg)](https://markdownregistry.com/a/art_er47waoqsggukbmc)

0 badge views in 30 days

Versions

version	committed	commit	size	audit
git:20260820.7720f5a latest	2026-08-20	7720f5a	8,114 B	A	view · diff
git:20260710.0c49830	2026-07-10	0c49830	8,040 B	A	view · diff
git:20260704.67df0cc	2026-07-04	67df0cc	8,042 B	A	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 (8114 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

martinholovsky/sota-skills · 18 stars · license CC-BY-4.0 · pushed 2026-09-05 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_er47waoqsggukbmc
GET https://markdownregistry.com/api/v1/resolve?ref=martinholovsky/sota-skills/sota-ruby
GET https://markdownregistry.com/api/v1/blob/39124b14a8e6a2f4f503775891fa74f4e05f8e1faa31c258fe0e147162b2dd10