Agent skills for DeepSeek Harness

React Router v7/v8 patterns with Clerk — rootAuthLoader, getAuth in loaders,

React Router v7 best practices for data-driven routing.

React Server Components, Suspense boundaries, streaming SSR, partial prerendering patterns for Next.js App Router.

When to activate: React Server Components, RSC, client boundary, streaming, Suspense, data fetching in RSC, server actions

React SPA auth patterns with @clerk/react for Vite/CRA - ClerkProvider

Use when writing, reviewing, or refactoring React component tests with Testing Library.

When to activate: React Testing Library, vitest, jest, component tests, user-event, MSW, accessibility queries, async testing

Setup react-three-fiber (R3F) with drei for 3D graphics and WebGL scenes.

Use React/React Native code as the source of truth and implement the equivalent feature in iOS/Swift.

Build virtualized lists, grids, and tables with react-virtuoso.

Poll for changes to any value and trigger React re-renders when it changes.

Chemical reactor design skill for sizing, configuration selection, and performance optimization

Provides quick reference and validation for Unreal Engine ReactUMG layout alignment and visibility enum values.

Streamlines Unreal Engine UI development by providing precise structural guidance for SlateColor and LinearColor types in ReactUMG.

Provides expert guidance and code patterns to avoid common bugs and performance issues in ReactUMG UI development for Unreal Engine.

Provides comprehensive development rules and patterns for building Unreal Engine interfaces with ReactUMG.

Optimizes ReactUMG performance by enforcing proper component identity management and key usage patterns in Unreal Engine.

Streamlines UI layout and positioning in Unreal Engine using standardized ReactUMG slot mapping rules.

Guides developers in distinguishing between React component references and PuerTS C++ out-parameter references within Unreal Engine UI…

Preview a distilled wiki page from inside Claude Code.

Read every ADR markdown file in the project's docs/adr/ folder so you have full context on past decisions.