Write tests that start with acceptance criteria, then add implementation tests for robustness. Use when writing unit tests (Vitest), end-to-end tests (Playwright), visual regression tests, or accessibility tests. Emphasizes user-centric testing, semantic locators, accessibility validation, and the balance between acceptance and implementation testing.

Use when building web components, pages, or applications that need distinctive, production-grade interfaces. Helps avoid generic AI aesthetics with bold, intentional design choices.

Master WebAssembly with Rust - wasm-pack, wasm-bindgen, and browser integration

Modern JavaScript and TypeScript development patterns

Expert guidance for Playwright end-to-end testing with TypeScript and JavaScript best practices

Elasticsearch DBA skill for index/mapping design, query tuning, cluster sizing and operations, shard/replica strategy, ILM, monitoring, troubleshooting (hot nodes, GC, rejected requests), and safe reindexing/upgrades. Use for tasks like designing search schemas, diagnosing performance issues, and operating ES in production.

This skill helps you integrate Stripe checkout and manage subscriptions with Autumn, streamlining payments and upgrades for customers.

AI駆動開発のためのプロジェクト初期構築スキル。AGENTS.mdの作成、基本指示の設定、およびコアスキルのインストールを自動化します。

Kapso Platform API for customer onboarding, setup links, phone number provisioning, and connection detection. Use when working with multi-tenant WhatsApp integrations, embedded signup, or customer management.

Master smart contract security with auditing, vulnerability detection, and incident response

This skill helps you architect production React Native apps with Expo, navigation, native modules, and offline-first patterns for robust mobile solutions.

This skill helps optimize content for AI search engines by improving extractability, structuring data, and building authority for AI citations.

This skill helps you design, call, secure, and manage Kuroco API endpoints and content CRUD with robust error handling.

This skill helps you integrate PICA MCP with CrewAI, enabling seamless tool calls to third-party services from your agent.

This skill helps you design, review, and implement APIs per AEP core standards ensuring consistency and machine-readable designs.

This skill performs AI-powered mutation testing to reveal test gaps by generating mutants, running tests, and guiding hardening efforts.

This skill performs a targeted refactor pass to simplify code after changes, removing dead paths and verifying behavior with tests.

This skill guides building enterprise FastAPI full-stack apps with Next.js frontend, Neon serverless Postgres, SQLModel, security, payments, and production

This skill guides you through deploying a production-ready MongoDB Atlas cluster, securing access, backups, monitoring, and cost optimization.

This skill helps you configure DigitalOcean Gradient AI serverless inference and ADK-powered agents for seamless LLM deployment and integration.

This skill captures full-screen or region screenshots on Windows with configurable JPEG quality and scaling to reduce file sizes.