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
93%
Does it follow best practices?
Impact
96%
1.77xAverage score across 41 eval scenarios
Passed
No known issues
{
"context": "Checks whether the final artifact follows the apply-code-conventions instructions from the published Rails Agent Skills tile.",
"type": "weighted_checklist",
"checklist": [
{
"name": "instruction-1",
"description": "The submitted artifact follows this skill instruction: **Run linter** — Detect config (for example `.rubocop.yml` or `.standard.yml`), run the appropriate tool, note absence if none found. Do not invent style rules.",
"max_score": 12
},
{
"name": "instruction-2",
"description": "The submitted artifact follows this skill instruction: **Apply area-specific rules** — Check path patterns (e.g., models, background jobs, controllers) and apply targeted guidance.",
"max_score": 11
},
{
"name": "instruction-3",
"description": "The submitted artifact follows this skill instruction: **Verify tests gate** — Confirm failing tests exist before any new behavior; run specs and checkpoints.",
"max_score": 11
},
{
"name": "instruction-4",
"description": "The submitted artifact follows this skill instruction: **Chain to specialised skills** — Use the Integration table to pull in deeper guidance (security, jobs, specs) as needed.",
"max_score": 11
},
{
"name": "instruction-5",
"description": "The submitted artifact follows this skill instruction: Only recommend `let_it_be` if `test-prof` is already in `Gemfile.lock`. Otherwise default to `let`; reach for `let!` only when lazy evaluation would break the example. Don't introduce `test-prof` unless asked.",
"max_score": 11
},
{
"name": "instruction-6",
"description": "The submitted artifact follows this skill instruction: Load these files only when their specific content is needed:",
"max_score": 11
},
{
"name": "instruction-7",
"description": "The submitted artifact follows this skill instruction: **[assets/checklist.md](assets/checklist.md)** — Use for detailed code review checklists.",
"max_score": 11
},
{
"name": "instruction-8",
"description": "The submitted artifact follows this skill instruction: **[assets/snippets.md](assets/snippets.md)** — Use for quick code snippets of common patterns.",
"max_score": 11
},
{
"name": "instruction-9",
"description": "The submitted artifact follows this skill instruction: When applying conventions, your output MUST include:",
"max_score": 11
}
]
}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
scenario-36
scenario-37
scenario-38
scenario-39
scenario-40
scenario-41
mcp_server
skills
api
generate-api-collection
implement-graphql
code-quality
apply-code-conventions
apply-stack-conventions
assets
snippets
code-review
refactor-code
respond-to-review
review-architecture
security-check
context
load-context
setup-environment
ddd
define-domain-language
model-domain
review-domain-boundaries
engines
create-engine
create-engine-installer
document-engine
extract-engine
release-engine
review-engine
test-engine
upgrade-engine
infrastructure
implement-background-job
implement-hotwire
optimize-performance
review-migration
seed-database
version-api
orchestration
skill-router
patterns
create-service-object
implement-calculator-pattern
write-yard-docs
planning
create-prd
generate-tasks
plan-tickets
testing
plan-tests
test-service
triage-bug
write-tests
workflows