programming-ruby SKILL.md skillA
programming-ruby from muvon/octomind-tap is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add muvon/octomind-tap/programming-ruby@git:20261013.a69e0bbPins git:20261013.a69e0bb in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- muvon/octomind-tap
- Path
skills/programming-ruby/SKILL.md- Versions recorded
- 8
- Latest version
- git:20261013.a69e0bb, committed Oct 13, 2026
- First version recorded
- Apr 21, 2026
- Size
- 8,297 bytes
- Repository stars
- 6
- License
- Apache-2.0
Idiomatic Ruby and Rails best practices for AI coding agents: objects, services, ActiveRecord persistence, transactions, and Active Job boundaries. Auto-activates in Ruby projects.
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
## Overview Write idiomatic Ruby with explicit data contracts and predictable persistence. As of 2026-10: Ruby 4.0 is the current stable line and Rails 8.1 (8.1.4) the latest Rails; Rails 7.2 has shipped its final release, so treat 7.2 apps as upgrade candidates. Rails guidance below targets Rails 8.x APIs. Check `.ruby-version`, the Gemfile/lockfile, Ruby implementation, and Rails version before using newer features. Preserve existing application conventions and dependencies; a small change does not need a new service layer or gem extraction. ## Mental model Ruby's flexibility makes names and failure contracts important. Keep domain behavior near the object that owns it; extract orchestration only when it has independent responsibilities. Rails conventions reduce boilerplate, but callbacks, transactions, and asynchronous jobs have distinct timing and failure semantics. ## Current language features - Ruby 3.2+ `Data.define` describes fixed value records; members cannot be reassigned, but referenced strings/arrays/hashes are not deeply frozen. `Struct` is mutable unless frozen. Copy/freeze nested values only when the contract needs it. …
Read the whole file at its exact version.
How to install
mdr add muvon/octomind-tap/programming-ruby@sha256:05d53ff6e4d68c2cThe line at the top of this page pins the label git:20261013.a69e0bb, 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.
[](https://markdownregistry.com/a/art_vu6laiwrrot3qjhp)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 8 versions of this file, between Apr 21, 2026 and Oct 13, 2026, about one every 25 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261013.a69e0bb latest | 2026-10-13 | a69e0bb | 8,297 B | A | view · diff |
| git:20261010.5d9bef4 | 2026-10-10 | 5d9bef4 | 7,675 B | A | view · diff |
| git:20260918.0cc46bd | 2026-09-18 | 0cc46bd | 7,627 B | A | view · diff |
| git:20260905.88628fb | 2026-09-05 | 88628fb | 7,614 B | A | view · diff |
| git:20260510.fe97ca3 | 2026-05-10 | fe97ca3 | 5,564 B | A | view · diff |
| git:20260509.966244f | 2026-05-09 | 966244f | 2,310 B | A | view · diff |
| git:20260503.f77bcc0 | 2026-05-03 | f77bcc0 | 2,330 B | A | view · diff |
| git:20260421.b8af739 | 2026-04-21 | b8af739 | 2,636 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (8297 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
muvon/octomind-tap · 6 stars · license Apache-2.0 · pushed 2026-11-08 · branch master
API
GET https://markdownregistry.com/api/v1/artifacts/art_vu6laiwrrot3qjhp GET https://markdownregistry.com/api/v1/resolve?ref=muvon/octomind-tap/programming-ruby GET https://markdownregistry.com/api/v1/blob/05d53ff6e4d68c2c63d2f6a862b70c142c0c25899a6c1d7963bb02d58b8b1cf3
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.