Skill Claude CodeCodex
Rails coding patterns derived from analysis of 37signals' Fizzy codebase. Use when writing Rails code in 37signals/Basecamp style or when asked to follow 37signals patterns. Covers controllers, models, views, Hotwire, testing, database, security, and team philosophy.
Skill Claude CodeCodex
Apply Better Stimulus best practices for writing maintainable, reusable StimulusJS controllers following SOLID principles.
Skill Claude CodeCodex
Start the local development server in a tmux session and open the homepage. Use when the user wants to start development, run the app locally, fire up the dev server, or invokes /bindev.
Skill Claude CodeCodex
Static analysis security vulnerability scanner for Ruby on Rails applications. Use when analyzing Rails code for security issues, running security audits, reviewing code for vulnerabilities, setting up security scanning in CI/CD, managing security warnings, or investigating specific vulnerability types (SQL injection…
Skill Claude CodeCodex
Machina design system quick reference. Use when discussing design tokens, surfaces, card backgrounds, depth, elevation, typography tokens, color tokens, DaisyUI theming, or applying visual styling to UI components.
Skill Claude CodeCodex
Use when you have a written implementation plan to execute in a separate session with review checkpoints.
Skill Claude CodeCodex
Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup.
Skill Claude CodeCodex
Use when viewing available handoff documents — lists active and archived handoffs with their status, date, topic, and branch.
Skill Claude CodeCodex
Use when starting a new session and wanting to continue from a previous handoff — reads the latest unrestored handoff document and restores session context.
Skill Claude CodeCodex
Use when capturing session state before switching context, ending a session, or manually preserving progress — creates a structured handoff document in docs/handoffs/ so a future session can resume seamlessly.
Skill Claude CodeCodex
Handle Hotwire form workflows: form submission lifecycle, inline editing, validation errors, typeahead/autocomplete, modal forms, and external form controls. Prefer this skill when the core problem is correctness and UX of form interaction. Use hwc-navigation-content for pagination/tabs/filter navigation…
Skill Claude CodeCodex
Handle media-heavy Hotwire features: image/video/audio uploads, previews, playback controls, progress tracking, and third-party media integrations (for example WaveSurfer, Swiper, Picture-in-Picture, Blurhash). Prefer this skill when the core problem is media rendering, playback state, or media library integration.…
Skill Claude CodeCodex
Build Hotwire navigation and content-discovery flows: Turbo Frame pagination, tabbed navigation, lazy loading, faceted filtering/search, cache lifecycle, scroll restoration, and visit/render control. Prefer this skill when the core problem is request/response navigation state and browser history behavior. Use…
Skill Claude CodeCodex
Implement real-time Hotwire behavior: Turbo Streams over WebSocket/SSE, custom stream actions, inline stream tags, live list updates, and cross-tab state synchronization. Prefer this skill when the core problem is push-based updates or stream action orchestration. Use hwc-navigation-content for pull-based…
Skill Claude CodeCodex
Cover Stimulus controller fundamentals: lifecycle hooks, values and valueChanged callbacks, targets and target callbacks, outlets, action parameters, keyboard events, and controller architecture patterns. Prefer this skill when the request is primarily about Stimulus APIs and controller design independent of a…
Skill Claude CodeCodex
Implement cross-cutting Hotwire UX feedback patterns: loading states, busy indicators, progress bars, optimistic UI, render interception, and view/page transitions. Prefer this skill when the core goal is perceived performance and user feedback, independent of a single feature domain. Use hwc-forms-validation for form…
Skill Claude CodeCodex
Design and review Rails applications using layered architecture principles from "Layered Design for Ruby on Rails Applications". Use when analyzing Rails codebases, reviewing PRs for architecture violations, planning feature implementations, or implementing patterns like authorization, view components, or AI…
Skill Claude CodeCodex
Implement MCP server authentication with OAuth Dynamic Client Registration (RFC 7591), Authorization Server Metadata Discovery (RFC 8414), and generalized per-agent credential support. This skill should be used when building admin UIs that let users connect to third-party MCP servers, whether they use OAuth (Linear…
Skill Claude CodeCodex
Add polymorphic activity timelines with live Turbo Stream updates to any Rails model. Covers migration, model, concern, shared partials, broadcasting, and optional AI-generated change summaries.
Skill Claude CodeCodex
Official Rails documentation. Use when asked about any Rails-specific topic including ActiveRecord, routing, controllers, views, mailers, jobs, Action Cable, Action Text, Active Storage, migrations, validations, callbacks, associations, caching, security, or internals.
Skill Claude CodeCodex
Add Tiptap rich text editing with debounced autosave to Rails models using Stimulus. Stores markdown in text columns (not ActionText). Covers installation, Stimulus controller, shared partials, Turbo cache handling, and optional change tracking.
Skill Claude CodeCodex
Use when upgrading a Rails application from one version to another, assessing upgrade readiness, planning a multi-hop upgrade path, or investigating breaking changes, deprecation warnings, gem compatibility issues, or config.loaddefaults transitions between any Rails versions from 5.2 through the latest release.
Skill Claude CodeCodex
Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical rigor and verification, not performative agreement or blind implementation.
Skill Claude CodeCodex
Use when completing tasks, implementing major features, or before merging to verify work meets requirements.