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 implements the full 5-layer Auth→Client→Fetcher→Builder→DomainEntity pattern with correct file placement, class structure, and constants as prescribed for Ruby API client integrations.",
"type": "weighted_checklist",
"checklist": [
{
"name": "Auth file exists",
"description": "app/services/weather_service/auth.rb exists and defines a class named Auth within a module namespace",
"max_score": 5
},
{
"name": "Client file exists",
"description": "app/services/weather_service/client.rb exists and defines a class named Client within the same module namespace",
"max_score": 5
},
{
"name": "Fetcher file exists",
"description": "app/services/weather_service/fetcher.rb exists and defines a class named Fetcher within the same module namespace",
"max_score": 5
},
{
"name": "Builder file exists",
"description": "app/services/weather_service/builder.rb exists and defines a class named Builder within the same module namespace",
"max_score": 5
},
{
"name": "Domain entity file exists",
"description": "A domain entity file (e.g. reading.rb) exists in app/services/weather_service/ and defines a class within the module namespace",
"max_score": 5
},
{
"name": "Auth self.default",
"description": "Auth class defines a self.default class method that reads credentials from configuration (not hardcoded values)",
"max_score": 8
},
{
"name": "Auth token caching",
"description": "Auth#token method caches the token in an instance variable (pattern: return @token if @token)",
"max_score": 8
},
{
"name": "Client::Error class",
"description": "Client class defines a nested Error class inheriting from StandardError",
"max_score": 8
},
{
"name": "Client constants",
"description": "Client class defines MISSING_CONFIGURATION_ERROR string constant, DEFAULT_TIMEOUT, and DEFAULT_RETRIES numeric constants",
"max_score": 8
},
{
"name": "Fetcher DI constructor",
"description": "Fetcher initializer accepts client as positional argument and data_builder and default_query as keyword arguments",
"max_score": 8
},
{
"name": "Fetcher constants",
"description": "Fetcher class defines MAX_RETRIES and RETRY_DELAY_IN_SECONDS constants",
"max_score": 7
},
{
"name": "Builder attribute filtering",
"description": "Builder#build method uses slice (or select/filter) to restrict output fields to a whitelist — does NOT return all raw API fields",
"max_score": 8
},
{
"name": "Entity ATTRIBUTES constant",
"description": "Domain entity defines an ATTRIBUTES frozen array constant listing the whitelisted field names",
"max_score": 8
},
{
"name": "Entity DEFAULT_QUERY constant",
"description": "Domain entity defines a DEFAULT_QUERY string constant containing a SQL or query string",
"max_score": 7
},
{
"name": "README present",
"description": "A README.md file is present in the module directory",
"max_score": 5
}
]
}docs
evals
scenario-1
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scenario-4
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scenario-7
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scenario-25
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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