Claude Skills by dirnbauer

Design and implement statistically valid A/B tests and experiments. Covers hypothesis creation, sample size calculation, test design, metrics selection, and results analysis. Use when working with ab test, a/b test, split test, experiment, test this change, multivariate test, hypothesis, statistical significance.

Answer Engine Optimization (AEO) and Generative Engine Optimization (GEO) strategies for AI-powered search visibility in ChatGPT, Perplexity, Google AI Overviews, and other AI search platforms. Use when working with aeo, geo, ai search, chatgpt search, perplexity, ai overviews, generative search, llm visibility.

Material Design 3 and Android platform guidelines. Use when building Android apps with Jetpack Compose or XML layouts, implementing Material You, navigation, or accessibility. Triggers on tasks involving Android UI, Compose components, dynamic color, or Material Design compliance.

CLI tool management and auto-installation. Use when commands fail with 'command not found', installing tools, or checking project environments.

Fetch up-to-date library documentation via Context7 REST API. Use when needing current API docs, framework patterns, or code examples for any library.

Full-funnel Conversion Rate Optimization (CRO) for SaaS and web apps. Covers page CRO, form optimization, signup flow, onboarding activation, popup/modal design, and paywall/upgrade screens. Use when optimizing any part of the conversion funnel.

Multimodal media authentication and deepfake forensics. PRNU analysis, IGH classification, DQ detection, semantic forensics, and LLM-augmented sensemaking for the post-empirical era. Use when working with deepfake, media forensics, fake detection, synthetic media, prnu, image authentication, video verification, disinformation.

Create, edit, and analyze office documents (PDF, DOCX, PPTX, XLSX). Use when working with PDFs, Word documents, PowerPoint presentations, or Excel spreadsheets. Covers text extraction, form filling, document creation, and data analysis.

Assess and enhance software projects for enterprise-grade security, quality, and automation. Aligned with OpenSSF Scorecard, SLSA, and S2C2F. Use when working with enterprise, openssf, slsa, security, scorecard, supply chain, badge.

Guide for creating distinctive, production-grade frontend interfaces that avoid generic "AI slop" aesthetics. Implement real working code with exceptional attention to aesthetic details and creative choices. Use when building UI components, pages, applications, or when the user wants visually striking, memorable interfaces.

Apple Human Interface Guidelines for iPhone. Use when building, reviewing, or refactoring SwiftUI/UIKit interfaces for iOS. Triggers on tasks involving iPhone UI, iOS components, accessibility, Dynamic Type, Dark Mode, or HIG compliance.

Apple Human Interface Guidelines for iPad. Use when building iPad-optimized interfaces, implementing multitasking, pointer support, keyboard shortcuts, or responsive layouts. Triggers on tasks involving iPad, Split View, Stage Manager, sidebar navigation, or trackpad support.

Plan product launches, feature announcements, and go-to-market strategies. Covers phased launches, Product Hunt strategy, channel selection (owned/rented/borrowed), and ongoing launch momentum. Use when working with product launch, feature launch, go-to-market, gtm strategy, product hunt, beta launch, early access, waitlist.

Austrian Impressum (legal notice) requirements for all company types. Covers ECG, UGB, GewO, MedienG, and Offenlegungspflicht for public media. Use when working with impressum, legal notice, imprint, austria, österreich, ECG, mediengesetz, offenlegung.

Apple Human Interface Guidelines for Mac. Use when building macOS apps with SwiftUI or AppKit, implementing menu bars, toolbars, window management, or keyboard shortcuts. Triggers on tasks involving Mac UI, desktop apps, or Mac Catalyst.

Marketing skills for AI agents. CRO, copywriting, SEO, analytics, pricing, and growth engineering. From Corey Haines' Marketing Skills collection. Use when working with marketing, cro, conversion, copywriting, seo, landing page, pricing, growth.

Generate social media preview images (Open Graph) and configure meta tags. Creates a screenshot-optimized page using the project's existing design system, captures it at 1200x630, and sets up all social sharing meta tags. Use when working with og-image, open graph, social preview, twitter card, meta tags, social sharing, og:image.

PHP 8.x modernization patterns. Use when upgrading to PHP 8.2/8.3/8.4, implementing type safety, or achieving PHPStan level 10.

Postgres performance optimization and best practices from Supabase. Query performance, connection pooling, Row Level Security, schema design, and diagnostics. Use when working with postgres, postgresql, sql, database, query, index, rls, row-level-security.

Build SEO-optimized pages at scale using templates and data. Use for directory pages, location pages, comparison pages, integration pages, or any pattern-based content strategy. Triggers on "programmatic SEO", "template pages", "pages at scale", or "[keyword] + [city] pages".

React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.

Best practices for Remotion - Video creation in React

Security audit patterns for PHP/OWASP. Use when conducting security assessments, identifying vulnerabilities (XXE, SQL injection, XSS), or CVSS scoring.

Security Incident Report templates drawing from NIST/SANS. DDoS post-mortem, CVE correlation, timeline documentation, and blameless root cause analysis. Use when working with incident report, post-mortem, sir, ddos analysis, security reporting, root cause analysis, cve correlation, nist 800-61.

Apple Human Interface Guidelines for Apple TV. Use when building tvOS apps with focus-based navigation, Siri Remote input, or living room viewing experiences. Triggers on tasks involving Apple TV, tvOS, 10-foot UI, or media playback.

Evaluate TYPO3 extensions for conformance to v13/v14 standards. Use when assessing quality, generating reports, or planning modernization.

Expert guidance on creating Content Elements, Record Types, Page Types, and File Types using TYPO3 Content Blocks extension - the single source of truth for content modeling. Use when working with content-blocks, content-element, record-type, page-type, file-type, make:content-block, friendsoftypo3/content-blocks, irre.

TYPO3 Core contribution workflow. Use when working with Forge issues, submitting patches to Gerrit, or contributing docs.

Expert guidance on manipulating TYPO3 records via the DataHandler, ensuring transactional safety, PSR-14 event handling, and reference index integrity. Use when working with database, datahandler, tcemain, records, content, pages.

Best practices for TYPO3 local development with DDEV, including configuration, database management, multi-version testing, and common workflows for v13/v14. Use when working with ddev, local, development, docker, environment, multi-version.

Create and maintain TYPO3 extension documentation following official docs.typo3.org standards. RST syntax, TYPO3 directives, rendering, and deployment. Use when working with documentation, rst, docs, readme, typo3 documentation.

Systematic TYPO3 extension upgrades to newer LTS versions. Covers Extension Scanner, Rector, Fractor, PHPStan, and testing. Use when working with extension, upgrade, fractor, rector, migration.

Expert guidance on TYPO3 Powermail 13+ form extension. Creating forms, custom finishers, validators, spam protection, ViewHelpers, PSR-14 events, TypoScript configuration, email templates, backend modules, and extension development. Use when working with powermail forms, mail handling, form validation, or extending powermail functionality.

Configure and extend the Records List Types extension for TYPO3 v14. Grid, Compact, Teaser, and custom view modes for the backend Records module with thumbnails, drag-and-drop, dark mode, workspace indicators, and zero-PHP extensibility via TSconfig + Fluid templates. Use when working with backend record listing, creating custom view types, or configuring per-table display fields.

TYPO3 upgrade patterns using Rector, including automated refactoring rules and dual-version compatibility strategies for v13/v14. Use when working with rector, upgrade, migration, refactoring, deprecation.

Security hardening checklist and best practices for TYPO3 v13/v14 installations, covering configuration, file permissions, and common vulnerabilities. Use when working with security, hardening, permissions, authentication, vulnerabilities.

SEO configuration and best practices for TYPO3 v13/v14, including EXT:seo setup, sitemaps, meta tags, and structured data. Use when working with seo, sitemap, meta, robots, structured data, opengraph.

TYPO3 extension testing (unit, functional, E2E, architecture, mutation). Use when setting up test infrastructure, writing tests, or configuring CI/CD.

Comprehensive guide for writing TYPO3 code compatible with both v13 and v14, with preference for v14. Covers version constraints, compatible patterns, and migration strategies. Use when working with update, upgrade, v13, v14, migration, lts, compatibility.

Practical UI design patterns and principles for creating polished, professional interfaces. Based on proven techniques from Refactoring UI and Practical UI. Use when working with ui, design, layout, spacing, typography, color, hierarchy, styling.

Apple Human Interface Guidelines for Apple Vision Pro. Use when building spatial computing apps, implementing eye/hand input, or designing immersive experiences. Triggers on tasks involving visionOS, RealityKit, spatial UI, or mixed reality.

Apple Human Interface Guidelines for Apple Watch. Use when building watchOS apps, complications, or workout features. Triggers on tasks involving Watch UI, Digital Crown, glanceable interfaces, or wrist-based interactions.

Comprehensive web platform design and accessibility guidelines. Use when building web interfaces, implementing WCAG compliance, responsive layouts, forms, typography, performance, animations, or internationalization. Covers HTML, CSS, and JavaScript best practices.

Enforces webconsulting.at design system, color palettes, typography, and MDX component structures for frontend development. Use when working with frontend, design, branding, ui, components, styling.