Build immersive 3D web experiences with Three.js - WebGL/WebGPU library for scenes, cameras, geometries, materials, lights, animations, loaders, post-processing, shaders (including node-based...
Build immersive 3D web experiences with Three.js - WebGL/WebGPU library for scenes, cameras, geometries, materials, lights, animations, loaders, post-processing, shaders (including node-based...
Build immersive 3D web experiences with Three.js - WebGL/WebGPU library for scenes, cameras, geometries, materials, lights, animations, loaders, post-processing, shaders (including node-based...
Use when multiple operations access shared state. Use when order of operations matters. Use when "it works most of the time" but occasionally fails mysteriously.
Provides legal guidance for contracts, compliance, intellectual property, data privacy, and regulatory matters. Use when reviewing contracts, ensuring compliance, protecting IP, or navigating...
React Three Fiber core setup, Canvas configuration, scene hierarchy, camera systems, lighting, render loop, and React integration patterns. Use when setting up a new R3F project, configuring the...
What makes founders succeed? Paul Graham has observed thousands of founders and distilled patterns. Relentlessly resourceful. Fierce nerds. Earnest. These traits matter more than credentials or...
Good taste is knowing what is good. Craft is making it real. Together they separate products people tolerate from products people love. Paul Graham's essays explore how taste develops and why it...
Syntax highlight code blocks with Shiki. Supports server-side rendering in RSC and automatic light/dark theme switching.
Tailwind CSS v4.1 best practices with WCAG 2.1 AA accessibility, theming, and dark mode support. Use when working with HTML, CSS, styling components, accessibility (a11y), WCAG compliance, color...
Measure what matters with proper event tracking, funnels, cohorts, and metrics. Use when setting up analytics, tracking features, or understanding behavior.
World-class color theory expertise combining the scientific precision of Josef Albers' "Interaction of Color," the systematic thinking of color systems from Pantone and RAL, and the perceptual...
Converts X (Twitter) tweets and articles to markdown with YAML front matter. Uses reverse-engineered API requiring user consent. Use when user mentions "X to markdown", "tweet to markdown", "save...
Expert in measuring what matters in communities. Covers health metrics, engagement analytics, sentiment analysis, cohort tracking, and reporting. Knows that good data drives good decisions, and...
Technology subject matter expert for Purria. Ensures consistent 25-year technological evolution from the Prophet's arrival to present day. Maintains distinct Purrian tech aesthetic and prevents...
The practice of collecting, analyzing, and acting on data to drive product decisions. Great analytics isn't about dashboards—it's about insights that lead to action. Every metric should answer a...
World-class brand positioning expertise combining David Ogilvy's direct response wisdom, Emily Heyward's obsessive brand strategy (Red Antler), and Al Ries/Jack Trout's positioning classics. This...
Voice agents represent the frontier of AI interaction - humans speaking naturally with AI systems. The challenge isn't just speech recognition and synthesis, it's achieving natural conversation...
Use when writing tests that share state. Use when tests depend on other tests. Use when test order matters.
Use when designing disaster recovery strategies, defining RPO/RTO targets, implementing failover mechanisms, or conducting chaos engineering tests - covers active-active, pilot light, and backup...