Go is the language of infrastructure. From Docker to Kubernetes to the entire cloud-native ecosystem, Go powers the systems that run the internet. It's not about what you can build - it's about...

When the user wants to plan, evaluate, or build a free tool for marketing purposes — lead generation, SEO value, or brand awareness. Also use when the user mentions "engineering as marketing,"...

The craft of communicating technical concepts clearly to developers. Developer communications isn't marketing—it's about building trust through transparency, accuracy, and genuine utility. The...

Apply behavioral science and mental models to marketing decisions, prioritized using a psychological leverage and feasibility scoring system.

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

Testing strategy and design - what to test, how to test, and when testing is overkill. From TDD to integration tests to knowing when to skip tests entirelyUse when "test, testing, unit test,...

This skill should be used when the user asks to "implement LLM-as-judge", "compare model outputs", "create evaluation rubrics", "mitigate evaluation bias", or mentions direct scoring, pairwise...

This skill should be used when the user asks to "identify web application vulnerabilities", "explain common security flaws", "understand vulnerability categories", "learn about injection attacks",...

Specialist in creating size-optimized real-time audio-visual demos and procedural artUse when "demoscene, size coding, 64k intro, 4k intro, 1k intro, tiny code, shader golf, shader minification,...

Use when you have a spec or requirements for a multi-step task, before touching code

Expert in identifying, adapting, and participating in cultural moments and trends. Covers trend identification, format adaptation, moment jacking, and knowing when to participate vs sit out....

Expert in Expo for React Native development. Covers Expo Router, EAS Build and Submit, development builds, native module integration, and production deployment. Knows how to build cross-platform...

This skill should be used when the user asks to "build background agent", "create hosted coding agent", "set up sandboxed execution", "implement multiplayer agent", or mentions background agents,...

Legendary blog writing that makes readers forget they're reading. This skill combines the narrative mastery of Paul Graham's essays, the technical accessibility of Julia Evans, the conversational...

Build communication features with Twilio: SMS messaging, voice calls, WhatsApp Business API, and user verification (2FA). Covers the full spectrum from simple notifications to complex IVR systems...

Use when implementing attention mechanisms, building custom transformer models, understanding positional encoding, or optimizing transformer inference - covers self-attention, multi-head...

Expert in protecting projects from scope creep. Covers requirement management, stakeholder negotiation, saying no diplomatically, and keeping projects focused. Understands that scope creep kills...

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

Tailwind CSS v4 principles. CSS-first configuration, container queries, modern patterns, design token architecture.

Integrating local LLMs into Godot games using NobodyWho and other Godot-native solutionsUse when "godot llm, nobodywho, godot ai npc, gdscript llm, godot local llm, godot chatgpt, godot 4 ai,...