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Found 1,486 Skills
Data format specialist covering TOON encoding, JSON/YAML optimization, serialization patterns, and data validation for modern applications. Use when optimizing data for LLM transmission, implementing high-performance serialization, validating data schemas, or converting between data formats.
Security analysis for new features. Apply when reviewing authentication, authorization, input validation, data protection, and security best practices in new feature implementations.
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."
Develop software with validation requirements first. Emphasizes writing tests before implementation to guide design decisions.
Data engineering patterns for ETL pipelines, data warehousing, Apache Spark, and data quality validation
Scope-aware GitHub PR review with user-friendly tone and trust tier validation
Integrate Didit Database Validation API to verify personal data against government databases. Use when the user wants to validate identity against government records, verify national ID numbers, check CPF/CURP/DNI/cedula numbers, perform identity database lookups, validate identity documents against official sources, or implement database verification for Latin American or Spanish identity documents using Didit. Supports 18 countries with 1x1 and 2x2 matching methods.
Scrum Master (River). Use for user story creation from PRD, story validation and completeness checking, acceptance criteria definition, story refinement, sprint planning, backlo...
Use this skill when writing regular expressions, debugging pattern matching, optimizing regex performance, or implementing text validation. Triggers on regex, regular expressions, pattern matching, lookahead, lookbehind, named groups, capture groups, backreferences, and any task requiring text pattern matching.
Captures executable contracts and coding knowledge into .trellis/spec/ documents after implementation, debugging, or design decisions. Enforces code-spec depth for infra and cross-layer changes with mandatory sections for signatures, contracts, validation matrices, and test points. Use when a feature is implemented, a bug is fixed, a design decision is made, a new pattern is discovered, or cross-layer contracts change.
Expert micro-interaction architect for mobile apps, web applications, and responsive websites. Use this skill when the user asks to add, build, fix, audit, or consult on micro-interactions, animations, transitions, motion design, gesture feedback, haptics, loading states, skeleton screens, pull-to-refresh, swipe actions, scroll animations, button states, form validation feedback, toast notifications, modals, dropdowns, toggles, progress indicators, shared element transitions, spring physics, easing curves, motion tokens, or any interaction that provides visual/haptic/auditory feedback to user actions. Triggers on: "micro-interaction", "animation", "transition", "motion", "easing", "spring", "gesture", "haptic", "feedback", "loading state", "skeleton", "shimmer", "pull to refresh", "swipe", "drag", "hover effect", "press state", "focus ring", "scroll animation", "parallax", "stagger", "orchestration", "reduced motion", "View Transitions", "layout animation", "shared element", "hero animation", "morphing", "Framer Motion", "GSAP", "Lottie", "Rive", "React Spring", "anime.js", or any request to make an interface "feel better", "feel alive", "feel snappy", "feel responsive", or "feel polished".
Constructive critique through 5 HackerNews commenter personas with evidence-based claim validation. Use when user wants devil's advocacy, stress testing, or critical review of ideas, docs, architecture, or code. Use for "roast", "critique this", "poke holes", "devil's advocate", "stress test", or "what's wrong with". Do NOT use for code review (use systematic-code-review), implementation changes, or performance profiling without a specific critique request.