Curated library of atomic AI agent skills for Hanami, dry-rb, and ROM Ruby development. Covers actions, slices, repositories, relations, changesets, providers, DI, operations, TDD, CLI, views, routing, and validation. Shared Ruby process skills have moved to ruby-core-skills. Uses Markdown + Front-matter architecture.
92
94%
Does it follow best practices?
Impact
92%
1.33xAverage score across 35 eval scenarios
Passed
No known issues
Use this quick-lookup table when translating Rails/ActiveRecord migration concepts to Hanami/Sequel syntax.
| Operation | Rails (ActiveRecord) | Hanami 2.x (Sequel) |
|---|---|---|
| Create Table | create_table :users do |t| ... end | create_table(:users) do ... end |
| Primary Key | Generated automatically | primary_key :id (must declare explicitly) |
| Add Column | add_column :users, :bio, :string | alter_table(:users) { add_column :bio, :text } |
| Drop Column | remove_column :users, :legacy_token | alter_table(:users) { drop_column :legacy_token } |
| Add Index | add_index :users, :email | alter_table(:users) { add_index :email } |
| Rename Column | rename_column :users, :old, :new | alter_table(:users) { rename_column :old, :new } |
| Timestamp Types | t.timestamps | column :created_at, :timestamptz |
| Reversibility | Inferred in change | Inferred in change (except drops/renames) |
primary_key :id inside the create_table block.alter_table block, rather than using separate top-level functions like add_column or remove_column.timestamps shorthand. Define :created_at and :updated_at explicitly.docs
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skills
actions
build-json-api
create-action
handle-errors
validate-params
context
load-context
db
create-changeset
create-repository
define-relation
write-migration
dry-monads
handle-result-pattern
dry-rb
create-operation
create-validation-contract
providers
configure-providers
implement-di
review-security
routing
define-routes
slices
configure-slice
create-slice
extract-slice
review-slice-boundaries
test-slice