Curated library of 39 AI agent skills for Ruby on Rails development. Organized by category: planning, testing, code-quality, ddd, engines, infrastructure, api, patterns, context, orchestration, and workflows. Includes 5 callable workflow skills (rails-tdd-loop, rails-review-flow, rails-setup-flow, rails-quality-flow, rails-engines-flow) for complete development cycles. Covers code review, architecture, security, testing (RSpec), engines, service objects, DDD patterns, and TDD automation.
95
98%
Does it follow best practices?
Impact
95%
1.20xAverage score across 35 eval scenarios
Passed
No known issues
{
"context": "Tests whether the agent respects service object boundary rules: keeping the orchestrator's call method concise by extracting sub-services, ensuring services return data (not HTTP responses), and avoiding cross-domain model modifications.",
"type": "weighted_checklist",
"checklist": [
{
"name": "Orchestrator call length",
"description": "The main orchestrator service's `call` (or `def call`) instance method body is 20 lines or fewer (comments and blank lines excluded)",
"max_score": 14
},
{
"name": "Sub-services extracted",
"description": "At least two distinct sub-service classes or helper classes are created to handle steps that the orchestrator delegates to",
"max_score": 12
},
{
"name": "Orchestrator delegates, not implements",
"description": "The orchestrator's `call` method calls other service objects or methods rather than containing the full implementation logic inline",
"max_score": 10
},
{
"name": "No HTTP response returned",
"description": "No service class renders or returns an HTTP response object (no `render`, `redirect_to`, `ActionDispatch::Response`, or `head` calls inside any service)",
"max_score": 12
},
{
"name": "Data-only return",
"description": "All services return plain Ruby hashes or data objects, not controller/HTTP concerns",
"max_score": 8
},
{
"name": "Single responsibility",
"description": "Each service class addresses one domain concern and does NOT modify models clearly outside its declared scope",
"max_score": 10
},
{
"name": "Frozen string literal",
"description": "Every service file begins with `# frozen_string_literal: true`",
"max_score": 8
},
{
"name": "File structure",
"description": "All service files are placed under `app/services/<module>/` with namespaced module declarations",
"max_score": 8
},
{
"name": "Response format",
"description": "Return values across all services use `{ success: true/false, response: { ... } }` structure",
"max_score": 10
},
{
"name": "Error handling",
"description": "At least one service has a rescue block that returns an error hash rather than leaking exceptions",
"max_score": 8
}
]
}docs
evals
scenario-1
scenario-2
scenario-3
scenario-4
scenario-5
scenario-6
scenario-7
scenario-8
scenario-9
scenario-10
scenario-11
scenario-12
scenario-13
scenario-14
scenario-15
scenario-16
scenario-17
scenario-18
scenario-19
scenario-20
scenario-21
scenario-22
scenario-23
scenario-24
scenario-25
scenario-26
scenario-27
scenario-28
scenario-29
scenario-30
scenario-31
scenario-32
scenario-33
scenario-34
scenario-35
mcp_server
skills
api
api-rest-collection
rails-graphql-best-practices
code-quality
rails-architecture-review
rails-code-conventions
rails-code-review
rails-review-response
rails-security-review
rails-stack-conventions
assets
snippets
refactor-safely
context
rails-context-engineering
rails-project-onboarding
ddd
ddd-boundaries-review
ddd-rails-modeling
ddd-ubiquitous-language
engines
rails-engine-compatibility
rails-engine-docs
rails-engine-extraction
rails-engine-installers
rails-engine-release
rails-engine-reviewer
rails-engine-testing
infrastructure
rails-api-versioning
rails-background-jobs
rails-database-seeding
rails-frontend-hotwire
rails-migration-safety
rails-performance-optimization
orchestration
rails-skills-orchestrator
patterns
ruby-service-objects
strategy-factory-null-calculator
yard-documentation
planning
create-prd
generate-tasks
ticket-planning
testing
rails-bug-triage
rails-tdd-slices
rspec-best-practices
rspec-service-testing