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When the user wants to run YouTube ads, set up TrueView or Bumper campaigns, or optimize video ad creative. Also use when the user mentions "YouTube ads," "TrueView," "Bumper ads," "YouTube Discovery," "video ads," "YouTube campaign," or "in-feed ads." For organic YouTube, use youtube-seo.

Safety guardrails - warns before destructive commands (rm -rf, DROP TABLE, force-push). CARL TRIGGERS: be careful, careful mode, destructive command warning, safety warning. SOURCE: garrytan/gstack/careful, integrated as gs-careful on 2026-05-29.

Structured hypothesis formulation: turn observations into testable hypotheses with predictions, propose mechanisms, design experiments. Follows the scientific method. Use scientific-brainstorming for open ideation; hypogenic for automated LLM hypothesis testing on datasets.

Comprehensive Docker containerization workflow covering multi-stage builds, docker-compose orchestration, image optimization, debugging, and production best practices. Use when containerizing applications, setting up development environments, or deploying with Docker.

When a founder needs to create a sales proposal, statement of work, contract, NDA, or master service agreement. Activate when the user mentions proposal, SOW, quote, contract, NDA, MSA, or needs to formalize a deal.

Padrões de arquitetura amigáveis à IA para projetos TypeScript, incluindo Domain-Driven Design, Clean Architecture, Hexagonal Architecture e padrões de teste Page Object Model.

Fornece diretrizes de desenvolvimento frontend para aplicações Next.js + React 19 + shadcn/ui, incorporando padrões modernos como App Router, Server/Client Components, Server Actions e melhores práticas de TypeScript. Abrange a criação de páginas, componentes, formulários, estilização e busca de dados com otimização de desempenho.

When the user wants to validate product-market fit, measure PMF, or plan before scaling. Also use when the user mentions "PMF," "product-market fit," "product market fit," "Sean Ellis test," "very disappointed," "vitamin vs painkiller," "PMF validation," "premature scaling," or "validate before scale." For GTM after validation, use gtm-strategy.

Application-side observability — structured logs, Prometheus metrics, OTel traces, signal correlation, head sampling, PII discipline, RED+USE. Use when instrumenting code, naming metrics, or auditing what a service emits.

Design judgment via design-director taste — reads design intent, assesses whether execution serves it, returns opinionated verdict with clear direction. Scales from one element to a whole app. Always judgment, never fixing. Invoke ONLY via /eye — do NOT trigger on 'review the design' or 'how does it look'.

Teamtailor integration via Apideck's ATS unified API — same methods work across every connector in ATS, switch by changing `serviceId`. Use when the user wants to read, write, or sync jobs, applicants, and applications in Teamtailor. Routes through Apideck with serviceId "teamtailor".

Build publication-quality figures with matplotlib using the object-oriented Figure/Axes API, constrained_layout, rcParams customization, TrueType (Type-42) font embedding for journal submission, and CVD-safe palettes. Covers seaborn integration, common chart types, axis formatting, and the small gotchas that distinguish reproducible matplotlib from notebook scratch. Use when producing publication