Rails Upgrade

Analyze Rails application upgrade path. Checks current version, finds latest release, fetches upgrade notes and diffs, then performs selective upgrade preserving local customizations.

54 stars 3 forksSoftware Development

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add robzolkos/skill-rails-upgrade --skill rails-upgrade

Manual install

git clone --depth 1 https://github.com/robzolkos/skill-rails-upgrade.git /tmp/skill-rails-upgrade
mkdir -p ~/.claude/skills
cp -r /tmp/skill-rails-upgrade/. ~/.claude/skills/rails-upgrade

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# Rails Upgrade Analyzer

Analyze the current Rails application and provide a comprehensive upgrade assessment with selective file merging.

## Step 1: Verify Rails Application

Check that we're in a Rails application by looking for these files:
- `Gemfile` (must exist and contain 'rails')
- `config/application.rb` (Rails application config)
- `config/environment.rb` (Rails environment)

If any of these are missing or don't indicate a Rails app, stop and inform the user this doesn't appear to be a Rails application.

## Step 2: Get Current Rails Version

Extract the current Rails version from:
1. First, check `Gemfile.lock` for the exact installed version (look for `rails (x.y.z)`)
2. If not found, check `Gemfile` for the version constraint

Report the exact current version (e.g., `7.1.3`).

## Step 3: Find Latest Rails Version

Use the GitHub CLI to fetch the latest Rails release:

```bash
gh api repos/rails/rails/releases/latest --jq '.tag_name'
```

This returns the latest stable version tag (e.g., `v8.0.1`). Strip the 'v' prefix for comparison.

Also check recent tags to understand the release landscape:

```bash
gh api repos/rails/rails/tags --jq '.[0:10] | .[].name'
```

## Step 4: Determine Upgrade Type

Compare current and latest versions to classify the upgrade:

- **Patch upgrade**: Same major.minor, different patch (e.g., 7.1.3 → 7.1.5)
- **Minor upgrade**: Same major, different minor (e.g., 7.1.3 → 7.2.0)

Read the full skill on GitHub

Details

Skill name: rails-upgrade
Repository: robzolkos/skill-rails-upgrade
Repo updated: 27 January 2026
Listed in: VoltAgent/awesome-agent-skills

FAQ

What does the Rails Upgrade skill do?

Analyze Rails application upgrade path. Checks current version, finds latest release, fetches upgrade notes and diffs, then performs selective upgrade preserving local customizations.

How do I install the Rails Upgrade skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add robzolkos/skill-rails-upgrade --skill rails-upgrade. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Rails Upgrade popular?

It lives in robzolkos/skill-rails-upgrade, which has 54 GitHub stars and 3 forks, and is included in 1 curated skill list.

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