Skill UI

This skill provides a comprehensive set of core UI components (e.g., Box, Button, Input, Card) and implements a structured design system. It guides developers on using design tokens (like `$textPrimary` or `$4`) instead of hard-coded values, ensuring visual consistency and scalability across applications. Ideal for any project requiring standardized, maintainable UI development.

This skill provides comprehensive best practices for designing modern and robust React user interfaces. It covers critical patterns for managing asynchronous data, including optimal loading state indicators (skeletons vs. spinners), structured error handling hierarchies, and designing contextual empty states. Essential for improving user experience during data fetching and operations.

A comprehensive, four-phase methodology for debugging complex software issues. It guides users through root cause investigation, pattern analysis, hypothesis testing, and controlled implementation. The core principle emphasizes finding the underlying cause rather than applying quick, symptomatic fixes, ensuring robust and reliable code improvements across various failure scenarios.

Provides comprehensive guidelines and utilities for modern unit testing using Jest and React Native. Covers Test-Driven Development (TDD) workflows, Behavior-Driven Development (BDD) principles, advanced mocking strategies for modules and GraphQL hooks, and implementing reusable factory functions for props and data. Use this skill to write robust, maintainable, and highly structured unit tests.

A comprehensive guide for building, scaling, and managing vibrant developer communities across various platforms like Discord, Slack, and forums. It covers the full lifecycle, from platform selection and optimal channel structuring to implementing robust onboarding journeys and continuous engagement programs. Essential for product managers, community managers, and technical founders aiming to build a strong developer ecosystem.

A comprehensive framework for systematically analyzing and monitoring competitors in the developer tools space. Users can track product features, pricing models, content strategies, developer sentiment, and market positioning. This skill is essential for product managers, marketing teams, and sales teams needing accurate competitive intelligence to build battlecards and identify market gaps.

This skill generates robust, production-grade End-to-End (E2E) and Component tests using the Cypress framework in JavaScript or TypeScript. It supports local execution and cloud testing environments. Use this skill when you need to write Cypress test cases, set up the Cypress environment, or utilize core commands like `cy.get`, `cy.visit`, and `cy.intercept` for functional validation.

This powerful skill provides an interactive debugger interface, allowing developers to set breakpoints, step through source code line by line, inspect live variable states, and trace the entire call stack. It is essential for diagnosing complex bugs, understanding unexpected program flow, or determining the root cause when standard logging fails. It supports various languages via the DAP protocol.

This skill provides comprehensive visual philosophy and art-direction guidelines for frontend design. It is ideal for creating high-concept campaigns, unique brand manifestos, or when a distinct, sophisticated, and art-like aesthetic is required. Users define a 'movement' and articulate its core principles across various sensory dimensions, ensuring the final output feels meticulously crafted and conceptually deep.

This skill provides a deep framework for validating the spatial composition and technical integrity of a UI. It moves beyond simple visual checks, emphasizing that the output must be rendered and critically assessed at various viewport sizes. Key focus areas include detecting subtle design flaws like overlaps and imbalances, and most critically, implementing mandatory horizontal overflow checks (`scrollWidth`) to ensure the layout remains flawless across all device widths.

This comprehensive guide provides structured frameworks and best practices for all developer advocacy activities. Use it to plan conference talks (including CFP templates), prepare live coding demos with the 10-3-1 rule, and strategize for podcast appearances and building in public. It covers everything from audience context to presentation polish.

This skill helps users deeply understand the root causes of developer attrition, moving beyond basic pricing models. It addresses six key types of churn—including DX issues, integration failures, and market shifts—and provides a framework for calculating a developer health score to identify at-risk users proactively. Ideal for product managers and marketing teams focused on growth and retention.