Base UI reference and workflows for @base-ui/react (unstyled, accessible React components, composition utilities, and form helpers). Use when implementing Base UI components, portals, styling/state hooks, render-prop composition, eventDetails customization, animations, forms/validation, TypeScript typing, CSP/RTL utilities, or checking Base UI docs, issues, or releases.
Skill for integrating Better Auth - the comprehensive TypeScript authentication framework.
Upload files to catbox.moe (permanent) or litterbox.catbox.moe (temporary). Use when you want to upload files for sharing via catbox services. Trigger phrases: "upload to catbox", "upload file", "share file via catbox".
React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs. Triggers on tasks involving compound components, render props, context providers, or component architecture. Includes React 19 API changes.
Skill for creating auth layers in TypeScript/JavaScript apps using Better Auth.
Deep research with multi-stage verification pipeline inspired by Lutum Veritas. Use for comprehensive, verified research with claim audits and cross-referencing. Triggered by "deep research", "thorough research", or "/deep-research".
Design and analyze business models using the Business Model Canvas framework. Use when evaluating startups, planning new products, pivoting existing businesses, or understanding how companies create and capture value.
Guides Tailwind CSS v4 patterns for buttons and components. Use this skill when creating components with variants, choosing between CVA/tailwind-variants, or configuring Tailwind v4's CSS-first approach.