nightshift

A React skill that teaches how to avoid unnecessary useEffect usage by showing better alternatives for derived state, event-driven logic, data fetching, and external store subscriptions.

An AI skill for writing and refactoring React components into small, composable units using compound component patterns, prop spreading, and utility class merging to improve rendering performance and maintainability.

A skill for building, installing, and testing Expo/React Native apps on iOS simulators and physical devices, with support for automated Detox e2e testing, EAS cloud builds, and auto-rebuild detection.

Relentlessly interviews users during plan creation to resolve all dependencies and edge cases, applicable to RFCs, PRDs, new apps, and architecture proposals.

A skill for building end-to-end type-safe tech stacks using compiler-enforced constraints with tools like TanStack Router, Zod, and Drizzle, treating types as a development accelerator rather than just a bug-prevention mechanism.

A skill for running and interpreting Stryker mutation testing to verify that tests actually catch breakage, not just pass. It provides a quality gate workflow targeting 95% or higher mutation scores, with a survivor table and strategies for killing surviving mutants.

Verified Spec-Driven Development (VSDD) is a rigorous AI-native engineering methodology that fuses spec-driven development, TDD, and adversarial verification into a single pipeline with phases for spec crystallization, implementation, adversarial roast, and formal hardening.

A skill that teaches the Wide Events (Canonical Log Lines) observability pattern, where instead of scattering logs throughout a request, you accumulate high-cardinality context and emit a single structured event per service boundary.

A Claude Code skill that teaches selector-based subscription patterns for minimizing unnecessary React re-renders when consuming external state from XState, Zustand, Redux, Nanostores, and context providers.

A personal AI agent skills collection featuring specialized capabilities including AI SDK testing without real LLM APIs, AFK agent cooking workflows, ADR management, PR babysitting with CI monitoring, and multi-agent workspace orchestration via cmux.