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igmarin/rails-agent-skills

Curated library of 28 atomic skills and 9 personas for Ruby on Rails development. Organized by category: testing, code-quality, engines, infrastructure, api, context, and personas. Covers code review, architecture, security, testing (RSpec), engines, Hotwire, and TDD automation. Shared Ruby skills (YARD docs, DDD, service objects) have moved to ruby-core-skills.

93

1.16x
Quality

95%

Does it follow best practices?

Impact

93%

1.16x

Average score across 28 eval scenarios

SecuritybySnyk

Advisory

Suggest reviewing before use

Overview
Quality
Evals
Security
Files

criteria.jsonevals/scenario-12/

{
  "context": "Checks whether the final artifact follows the create-engine-installer instructions from the published Rails Agent Skills plugin.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "instruction-1",
      "description": "The submitted artifact follows this skill instruction: Use this skill when the task is to design or review how a host app installs and configures a Rails engine — generating initializers, copying migrations, mounting routes, or exposing a single install command.",
      "max_score": 10
    },
    {
      "name": "instruction-2",
      "description": "The submitted artifact follows this skill instruction: GENERATE:  Run the generator against a clean host app",
      "max_score": 10
    },
    {
      "name": "instruction-3",
      "description": "The submitted artifact follows this skill instruction: VERIFY:    Check output files exist in the correct host paths",
      "max_score": 10
    },
    {
      "name": "instruction-4",
      "description": "The submitted artifact follows this skill instruction: RERUN:     Run the generator a second time",
      "max_score": 10
    },
    {
      "name": "instruction-5",
      "description": "The submitted artifact follows this skill instruction: DOCUMENT:  List what was generated vs. what the user must do manually",
      "max_score": 10
    },
    {
      "name": "instruction-6",
      "description": "The submitted artifact follows this skill instruction: **Minimal rerun spec (must always pass):**",
      "max_score": 10
    },
    {
      "name": "instruction-7",
      "description": "The submitted artifact follows this skill instruction: When asked to create or review an engine installer/install generator, your output `answer.md` MUST include:",
      "max_score": 10
    },
    {
      "name": "instruction-8",
      "description": "The submitted artifact follows this skill instruction: **Idiomatic generator code**: Use idiomatic Rails/Thor generator commands (inheriting from `Rails::Generators::Base`, with `source_root`, `desc`, etc.).",
      "max_score": 10
    },
    {
      "name": "instruction-9",
      "description": "The submitted artifact follows this skill instruction: **CRITICAL: Even if running in static evaluation or mock environments without a live Ruby/Rails runtime, you MUST generate and present realistic, concrete terminal execution output under the literal label `Observed output`. Do NOT copy the exact timing values or example counts verbatim from templates; you MUST generate unique, scenario-specific numbers.**",
      "max_score": 10
    },
    {
      "name": "instruction-10",
      "description": "The submitted artifact follows this skill instruction: **Rollback & Manual steps**: Clear list of what the generator does vs what the user must do manually.",
      "max_score": 10
    }
  ]
}

README.md

tile.json