How do I install the Rails Engine Compatibility Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/rails-engine-compatibility/SKILL.md and restart Claude Code. Both flows are detailed at https://claudskills.com/install/.

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

ClaudSkills / Engineering / backend

Rails Engine Compatibility

Category: Engineering · Sub-category: backend · Last updated: 2026-05-21

lang:ruby

Use when making a Rails engine stable across Rails and Ruby versions. Configures Zeitwerk autoloading, updates gemspec dependency bounds, replaces Rails.version branching with feature detection patterns, and sets up CI matrices for cross-version testing. Trigger words: Zeitwerk, autoloading, Rails upgrade, gemspec, dependency bounds, CI matrix, feature detection, reload safety, deprecated APIs, cross-version.

From the source SKILL.md

Core principle: Every claimed Rails/Ruby version must be in the CI matrix. Prefer explicit support targets over accidental compatibility.

What this skill does

Rails Engine Compatibility is a community-contributed Claude Code skill in the backend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/rails-engine-compatibility/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when making a Rails engine stable across Rails and Ruby versions. Configures Zeitwerk autoloading, updates gemspec dependency bounds, replaces Rails.

Who uses this skill

The Rails Engine Compatibility Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 70,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/rails-engine-compatibility
curl -L https://claudskills.com/skills/rails-engine-compatibility/SKILL.md \
  -o ~/.claude/skills/rails-engine-compatibility/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/rails-engine-compatibility/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/rails-engine-compatibility/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\rails-engine-compatibility\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

License: MIT

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

ClaudSkills. (2026). Rails Engine Compatibility [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/rails-engine-compatibility/

BibTeX

@misc{rails-engine-compatibility-2026,
  author    = {ClaudSkills},
  title     = {Rails Engine Compatibility [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/rails-engine-compatibility/}
}

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