Source: drupalatyourfingertips.com Author: Selwyn Polit License: Open access documentation
When This Skill Activates
Activates when working with Drupal development topics covered in the d9book including:
- Core APIs (services, hooks, events, plugins)
- Content (nodes, fields, entities, paragraphs, taxonomy)
- Forms and validation
- Routing and controllers
- Theming (Twig, render arrays, preprocess)
- Caching and performance
- Testing (PHPUnit, DTT)
- Common patterns and best practices
Topics
14 topics have in-depth reference files in this skill; the other 39 chapters of the book are linked online.
In depth (references/)
- @references/ajax.md - AJAX
- @references/caching.md - Caching
- @references/config.md - Configuration Management
- @references/dtt.md - Drupal Test Traits (DTT)
- @references/entities.md - Entities
- @references/events.md - Events & Event Subscribers
- @references/forms.md - Forms
- @references/hooks.md - Hooks
- @references/paragraphs.md - Paragraphs
- @references/plugins.md - Plugins
- @references/queries.md - Database Queries
- @references/routes.md - Routes & Controllers
- @references/services.md - Services & Dependency Injection
- @references/twig.md - Twig Templates
Online chapters (drupalatyourfingertips.com)
- about
- actions
- ai
- attribution
- blocks
- bq
- composer
- contribute
- cron
- dates
- debugging
- decoupled
- development
- drush
- general
- index
- javascript
- layoutbuilder
- learn
- links
- logging
- menus
- migrate
- modals
- modules
- mysteries
- nodes-and-fields
- off-island
- php
- redirects
- render
- security
- setup_mac
- state
- taxonomy
- upgrade
- utility
- views
To update: Run .claude/scripts/sync-d9book.sh