Claude Skills by sickn33

Internationalization and localization patterns. Detecting hardcoded strings, managing translations, locale files, RTL support.

Design, validate, and optimize schema.org structured data for eligibility, correctness, and measurable SEO impact.

'Creates comprehensive content outlines and topic clusters for SEO.

Writes SEO-optimized content based on provided keywords and topic briefs. Creates engaging, comprehensive content following best practices. Use PROACTIVELY for content creation tasks.

Core principles of SEO including E-E-A-T, Core Web Vitals, technical foundations, content quality, and how modern search engines evaluate pages.

'Hreflang and international SEO audit, validation, and generation. Detects common mistakes, validates language/region codes, and generates correct hreflang implementations. Use when user says "hreflang", "i18n SEO", "international SEO", "multi-language", "multi-region", or "language tags".

Structured guide for setting up A/B tests with mandatory gates for hypothesis, metrics, and execution readiness.

Design, audit, and improve analytics tracking systems that produce reliable, decision-ready data.

Professional-grade brand voice analysis, SEO optimization, and platform-specific content frameworks.

Write rigorous, conversion-focused marketing copy for landing pages and emails. Enforces brief confirmation and strict no-fabrication rules.

You are an expert in email marketing and automation. Your goal is to create email sequences that nurture relationships, drive action, and move people toward conversion.

Design and evaluate programmatic SEO strategies for creating SEO-driven pages at scale using templates and structured data.

Design, validate, and optimize schema.org structured data for eligibility, correctness, and measurable SEO impact.

Diagnose and audit SEO issues affecting crawlability, indexation, rankings, and organic performance.

'Creates comprehensive content outlines and topic clusters for SEO.

Core principles of SEO including E-E-A-T, Core Web Vitals, technical foundations, content quality, and how modern search engines evaluate pages.

Complete App Store Optimization (ASO) toolkit for researching, optimizing, and tracking mobile app performance on Apple App Store and Google Play Store

Guidelines for creating API routes in Expo Router with EAS Hosting

Helps understand and write EAS workflow YAML files for Expo projects. Use this skill when the user asks about CI/CD or workflows in an Expo or EAS context, mentions .eas/workflows/, or wants help with EAS build pipelines or deployment automation.

Deploy Expo apps to production with EAS — build and submit to the iOS App Store, Google Play Store, and TestFlight, configure eas.json build and submit profiles, manage app versions and build numbers, publish App Store metadata and ASO, and deploy web bundles and API routes via EAS...

Build Expo app for development

Master Flutter development with Dart 3, advanced widgets, and multi-platform deployment.

Develop native iOS applications with Swift/SwiftUI. Masters iOS 18, SwiftUI, UIKit integration, Core Data, networking, and App Store optimization.

Develop React Native, Flutter, or native mobile apps with modern architecture patterns. Masters cross-platform development, native integrations, offline sync, and app store optimization.

Build and deploy the same feature consistently across web, mobile, and desktop platforms using API-first architecture and parallel implementation strategies.

Production-ready patterns for React Native development with Expo, including navigation, state management, native modules, and offline-first architecture.

Expert DevOps troubleshooter specializing in rapid incident response, advanced debugging, and modern observability.

Implement distributed tracing with Jaeger and Tempo for request flow visibility across microservices.

Create and manage production-ready Grafana dashboards for comprehensive system observability.

Expert SRE incident responder specializing in rapid problem resolution, modern observability, and comprehensive incident management.

Expert in Langfuse - the open-source LLM observability platform. Covers tracing, prompt management, evaluation, datasets, and integration with LangChain, LlamaIndex, and OpenAI. Essential for debugging, monitoring, and improving LLM applications in production.

Instruments code so production behavior is visible and diagnosable. Use when adding logging, metrics, tracing, or alerting. Use when shipping any feature that runs in production and you need evidence it works. Use when production issues are reported but you can't tell what happened...

Build production-ready monitoring, logging, and tracing systems. Implements comprehensive observability strategies, SLI/SLO management, and incident response workflows.

Expert performance engineer specializing in modern observability,

Comprehensive guide to writing effective, blameless postmortems that drive organizational learning and prevent incident recurrence.

Framework for defining and implementing Service Level Indicators (SLIs), Service Level Objectives (SLOs), and error budgets.

This skill ensures all code follows security best practices and identifies potential vulnerabilities. Use when implementing authentication or authorization, handling user input or file uploads, or creating new API endpoints.

Maps code, architecture, and infrastructure changes to specific control IDs in PCI-DSS v4.0 and MAS TRM (Singapore financial regulator), producing an audit-traceable findings report with per-control remediation.

Practical implementation guide for GDPR-compliant data processing, consent management, and privacy controls.

Master PCI DSS (Payment Card Industry Data Security Standard) compliance for secure payment processing and handling of cardholder data.

Use when building apps that collect user data. Ensures privacy protections are built in from the start—data minimization, consent, encryption.

Comprehensive security auditing workflow covering web application testing, API security, penetration testing, vulnerability scanning, and security hardening.

Expert in building 3D experiences for the web - Three.js, React Three Fiber, Spline, WebGL, and interactive 3D scenes. Covers product configurators, 3D portfolios, immersive websites, and bringing depth to web experiences.

These are instructions for creating design philosophies - aesthetic movements that are then EXPRESSED VISUALLY. Output only .md files, .pdf files, and .png files.

You are a frontend designer-engineer, not a layout generator.

Use when designing expensive agency-grade interfaces with premium fonts, spatial rhythm, soft depth, and fluid microinteractions.

Expert in building portfolios that actually land jobs and clients - not just showing work, but creating memorable experiences. Covers developer portfolios, designer portfolios, creative portfolios, and portfolios that convert visitors into opportunities.

(Mobile-First · Touch-First · Platform-Respectful)

Expert in building immersive scroll-driven experiences - parallax storytelling, scroll animations, interactive narratives, and cinematic web experiences. Like NY Times interactives, Apple product pages, and award-winning web experiences.

Audit a component or page for accessibility issues and fix them