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
95%
Does it follow best practices?
Impact
93%
1.16xAverage score across 28 eval scenarios
Advisory
Suggest reviewing before use
{
"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
}
]
}.tessl-plugin
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
skills
api
generate-api-collection
implement-graphql
code-quality
apply-code-conventions
apply-stack-conventions
assets
snippets
code-review
refactor-code
review-architecture
security-check
context
load-context
setup-environment
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
personas
testing
plan-tests
test-service