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igmarin/rails-agent-skills

Curated library of 41 public AI agent skills for Ruby on Rails development. Organized by category: planning, testing, code-quality, ddd, engines, infrastructure, api, patterns, context, and orchestration. Covers code review, architecture, security, testing (RSpec), engines, service objects, DDD patterns, and TDD automation. Repository workflows remain documented in GitHub but are intentionally excluded from the Tessl tile.

95

1.77x
Quality

93%

Does it follow best practices?

Impact

96%

1.77x

Average score across 41 eval scenarios

SecuritybySnyk

Passed

No known issues

Overview
Quality
Evals
Security
Files

criteria.jsonevals/scenario-36/

{
  "context": "Checks whether the final artifact follows the create-engine instructions from the published Rails Agent Skills tile.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "instruction-1",
      "description": "The submitted artifact follows this skill instruction: Use this skill when the task is to create, scaffold, or refactor a Rails engine.",
      "max_score": 13
    },
    {
      "name": "instruction-2",
      "description": "The submitted artifact follows this skill instruction: A good engine has a narrow purpose, a clear host-app integration story, and a small public API. Keep this skill focused on structure and design. Use adjacent skills for installer details, deep test coverage, release workflow, or documentation work.",
      "max_score": 13
    },
    {
      "name": "instruction-3",
      "description": "The submitted artifact follows this skill instruction: Dummy app exists: `ls spec/dummy` or `ls test/dummy` should return the app directory.",
      "max_score": 13
    },
    {
      "name": "instruction-4",
      "description": "The submitted artifact follows this skill instruction: Create the minimal engine structure. **Checkpoint:** `bundle exec rake` inside the engine must pass.",
      "max_score": 13
    },
    {
      "name": "instruction-5",
      "description": "The submitted artifact follows this skill instruction: Use a structure close to this:",
      "max_score": 12
    },
    {
      "name": "instruction-6",
      "description": "The submitted artifact follows this skill instruction: **What the host app must add:** mount route, initializer, migrations, credentials, background jobs, or assets.",
      "max_score": 12
    },
    {
      "name": "instruction-7",
      "description": "The submitted artifact follows this skill instruction: Prefer one explicit configuration surface, for example:",
      "max_score": 12
    },
    {
      "name": "instruction-8",
      "description": "The submitted artifact follows this skill instruction: **Structure** — Use idiomatic Rails engine patterns and include the recommended `lib/`, `app/`, `config/`, `db/`, and `spec/dummy` or `test/dummy` shape.",
      "max_score": 12
    }
  ]
}

README.md

server.json

tile.json