RSSBook

Designs UX/UI for websites and web apps: UX strategy, information architecture, user flows, wireframes, UI systems, component specs, and polished visual design. Use when the user asks to design, redesign, modernise, critique, or improve a website, landing page, web app interface, design system, style guide, or UI kit.

Create or update RSSBook Feed sources and routes, including Source metadata, route handlers, scraping logic, route tests, and RSSBook utility usage such as cache, date, ofetch, load, formatHTML, parse, filter, sort, union, and intersection.

Hypermedia framework for building reactive web applications with backend-driven UI. Use this skill for Datastar development patterns, SSE streaming, signal management, DOM morphing, and the "Datastar way" philosophy. Covers data-* attributes, backend integration, and real-time collaborative app patterns.

KitaJS HTML — TypeScript JSX rendering library. Use when building HTML templates, creating server-side components, handling async rendering, streaming HTML with Suspense, or integrating with Fastify for HTML responses. Covers type-safe JSX components, layouts, async/await patterns, error boundaries, and Fastify HTML plugin usage.

Detailed reference for Source class and Handler context. Use this skill when users ask about Source configuration, Handler parameters, route definitions, or Feed metadata.

RSSBook utility functions reference. Use this skill when users ask how to use cache, date, ofetch, filter, sort, union, parse, and other utility functions.