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...
Raising money is a means to an end, not the end itself. Great companies can be built with or without venture capital. But if you're raising, you need to understand the game: when to raise, how...
Expert at building real-time features using WebSockets, Server-Sent Events, and other live update mechanisms. Covers connection management, reconnection strategies, scaling with pub/sub, and...
Technical debt is not bad. Reckless debt is bad. Strategic debt is a tool. Like financial debt, it can accelerate growth when used wisely or bankrupt you when ignored. This skill covers when to...
Comprehensive expertise in automated crypto trading systems, including DEX sniping bots, arbitrage strategies, MEV protection, Telegram trading bots, and anti-rug protection. Use when "trading...
This skill should be used when the user asks to "test for XSS vulnerabilities", "perform cross-site scripting attacks", "identify HTML injection flaws", "exploit client-side injection...
The craft of writing for the screen—from 6-second ads to 10-minute brand films. This skill bridges storytelling with the unique constraints and opportunities of video format: visual thinking,...
Good tests give you confidence to ship. Bad tests give you a false sense of security while slowing you down. The goal isn't 100% coverage - it's the right tests for the right things. This skill...
Use when completing tasks, implementing major features, or before merging to verify work meets requirements
World-class copywriting expertise combining the persuasive clarity of David Ogilvy, the conversational warmth of Ann Handley, and the conversion science of modern growth marketers. Copywriting is...
Next.js App Router principles. Server Components, data fetching, routing patterns.
When the user wants help with paid advertising campaigns on Google Ads, Meta (Facebook/Instagram), LinkedIn, Twitter/X, or other ad platforms. Also use when the user mentions 'PPC,' 'paid media,'...
World-class container image building - Dockerfiles, multi-stage builds, security hardening, and the battle scars from images that broke in productionUse when "docker, dockerfile, container, image,...
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...
Causal inference specialist for causal discovery, counterfactual reasoning, and effect estimationUse when "causal inference, causal discovery, counterfactual, intervention effect, confounder,...
Caching strategies for LLM prompts including Anthropic prompt caching, response caching, and CAG (Cache Augmented Generation) Use when: prompt caching, cache prompt, response cache, cag, cache augmented.
Performance optimization specialist for profiling, caching, and latency optimizationUse when "performance, latency, slow query, profiling, caching, optimization, N+1, connection pool, p99,...
Use when extracting structured information from text - named entity recognition, relation extraction, coreference resolution, knowledge graph construction, and information extraction pipelinesUse...
Expert mobile game developer specializing in iOS and Android game optimization, touch input design, battery and thermal management, device fragmentation handling, and App Store/Play Store...
Expert at handling file uploads and cloud storage. Covers S3, Cloudflare R2, presigned URLs, multipart uploads, and image optimization. Knows how to handle large files without blocking. Use when:...