Testing and QA

shadcn-ui is a collection of beautifully-designed, accessible React components built with TypeScript, Tailwind CSS, and Radix UI primitives. This skill guides you through component selection, implementation, customization, and best practices.

Execute crypto trading and DeFi operations using natural language. Two integration options:

Use a persistent js_repl Playwright session to debug local web or Electron apps, keep the same handles alive across iterations, and run functional plus visual QA without restarting the whole toolchain unless the process ownership changed.

Use this skill to fetch, analyze, and summarize TestFlight crash reports, beta feedback, and performance diagnostics.

The fundamental architecture of computer use agents: observe screen, reason about next action, execute action, repeat. This loop integrates vision models with action execution through an iterative pipeline.

Apply the appropriate caching mechanism based on the data lifecycle and size requirements.

Create, schedule, and publish social media content across multiple platforms using Typefully .

A comprehensive guide to common user interface design patterns, component patterns, interaction patterns, and accessibility best practices for building modern web and mobile applications.

Source details, install context, and public review data are available on the full page.

Review changes on this branch for bugs, security vulnerabilities, and code quality issues.

Implement optimal chunking strategies for Retrieval-Augmented Generation (RAG) systems and document processing pipelines. This skill provides a comprehensive framework for breaking large documents into smaller, semantically meaningful segments that preserve context while enabling efficient retrieval and search.

Add authentication to React single-page applications using @auth0/auth0-react.

Status : Beta (requires python_workers compatibility flag) Runtime : Pyodide (Python 3.12+ compiled to WebAssembly) Package Versions : workers-py@1.7.0, workers-runtime-sdk@0.3.1, wrangler@4.58.0 Last Verified : 2026-01-21

To standardize the process of updating changelog files ( latest.md , preview.md , index.md ) based on automated release information.

Train language models using TRL (Transformer Reinforcement Learning) on fully managed Hugging Face infrastructure. No local GPU setup required—models train on cloud GPUs and results are automatically saved to the Hugging Face Hub.

Source details, install context, and public review data are available on the full page.

Complete assistance with Polymarket development - covering the full platform (API, trading, market data) and the real-time data streaming client (WebSocket subscriptions for live market activity).

Enable dynamic color derived from the user's wallpaper. Dynamic color is the default on Android 12+ and should be the primary theming strategy.

This skill implements Clerk in native Swift/iOS projects by reading installed package source and mirroring current ClerkKit/ClerkKitUI behavior.

Create a comprehensive customer journey map that visualizes how customers interact with your brand across all stages—from awareness to loyalty—documenting their actions, touchpoints, emotions, KPIs, business goals, and teams involved at each stage. Use this to identify pain points, align cross-functional teams, and...

Implement Model Context Protocol (MCP) servers with Spring AI to extend AI capabilities with standardized tools, resources, and prompt templates using Spring's native AI abstractions.

This skill provides patterns for unit testing @Service classes using Mockito. It covers mocking all injected dependencies, verifying business logic, testing complex workflows, argument capturing, verification patterns, and testing async/reactive services without starting the Spring container.

Last Updated : 2026-01-21 Version : @vercel/kv@3.0.0 (Redis-compatible, powered by Upstash)

Add a new built-in enricher to evlog. Every enricher follows the same architecture. This skill walks through all 6 touchpoints. Every single touchpoint is mandatory -- do not skip any.