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 review-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 review an existing Rails engine or propose improvements.",
"max_score": 12
},
{
"name": "instruction-2",
"description": "The submitted artifact follows this skill instruction: **Inspect the namespace and public API surface.** Check for `isolate_namespace` and unqualified top-level constant references.",
"max_score": 11
},
{
"name": "instruction-3",
"description": "The submitted artifact follows this skill instruction: **Check host-app integration points.** Flag direct host constant references. Verify host dependencies flow through config seams.",
"max_score": 11
},
{
"name": "instruction-4",
"description": "The submitted artifact follows this skill instruction: **Check initialization and reload behavior.** Inspect `initializer`, `config.to_prepare`, and `ActiveSupport.on_load`. Flag anything that mutates global state at `require` time outside an initializer block.",
"max_score": 11
},
{
"name": "instruction-5",
"description": "The submitted artifact follows this skill instruction: **Check migrations, generators, and install flow.** Confirm migrations are copied via a generator. Check for destructive or irreversible migrations.",
"max_score": 11
},
{
"name": "instruction-6",
"description": "The submitted artifact follows this skill instruction: **Check dummy-app and integration tests.** Confirm `spec/dummy/` exists and exercises the mount point.",
"max_score": 11
},
{
"name": "instruction-7",
"description": "The submitted artifact follows this skill instruction: **Summarize findings by severity.** Flag High findings first. Do not surface Low findings before architecture issues.",
"max_score": 11
},
{
"name": "instruction-8",
"description": "The submitted artifact follows this skill instruction: Missing dummy app coverage check (dummy app must exist and be used).",
"max_score": 11
},
{
"name": "instruction-9",
"description": "The submitted artifact follows this skill instruction: Write findings first. For each finding include severity, affected file/area, risk, and smallest credible fix.",
"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