Frontend

Quick code quality analysis that identifies common issues, anti-patterns, and improvement opportunities. Generates a concise summary report with actionable priorities. Use when the user asks to "analyze this code", "check code quality", "review this", or "what's wrong with this code".

Review code for Next.js 16 compliance - security patterns, caching, breaking changes. Use when reviewing Next.js code, preparing for migration, or auditing for violations.

Use when approaching any animation task—establishing foundational thinking patterns, teaching animation principles, or when none of the specialized thinking styles quite fit the situation.

Expert NHS transformation strategist combining clinical nursing insight with MBA-level business acumen. Use this skill when working on NHS change management programmes, financial sustainability initiatives, business case development, stakeholder engagement, Trust/ICS-level strategy, or any healthcare transformation project requiring policy-aligned, evidence-based approaches. Triggers include requests for strategy documents, business cases, transformation plans, efficiency programmes, workforce redesign, digital transformation, integrated care development, or financial recovery plans within NHS contexts.

Full-stack Swift application with shared library, Hummingbird backend, WebUI frontend, and SwiftUI apps

Build and maintain the people registry from context over time, tracking names, roles, teams, and expertise as they appear in documents. Use when processing documents that mention people or when updating people profiles.

Rust 1.92+ development specialist covering Axum, Tokio, SQLx, and memory-safe systems programming. Use when building high-performance, memory-safe applications or WebAssembly.

Code quality standards for PR review agents including try/except rules, logging patterns, type hints, and verification requirements. Use when reviewing code, spawning PR review agents, or validating code quality.

Help developers use supabase-typed-query for type-safe Supabase queries. Use this skill when building queries with the Query API, working with Entity/PartitionedEntity patterns, handling TaskOutcome errors, or implementing soft deletes and multi-tenancy.

JSDoc documentation standards for JavaScript functions, classes, modules, and web components

Guide for creating comprehensive PR descriptions with proper structure, diagrams, and documentation for code reviews.

Standard patterns for connecting applications to Neon Postgres and managing schema changes via migrations (Alembic / SQLModel / SQLAlchemy), with attention to serverless connection behaviour.

Implement native Rust ML inference with Candle framework. Use when building GPU-accelerated ML pipelines without Python dependencies.

Claude Code expert guidance - features, configuration, hooks, plugins, MCP servers, IDE integration, and enterprise deployment

Creates minimal boilerplate structure for new Web Components in Sando Design System following COMPONENT_ARCHITECTURE.md 7-file pattern. Generates only what developer requests - no assumptions, no dead code. Ask first, then scaffold component files, tests, stories based on requirements.

Validate protection enforcement via pre-commit hooks. Use when building or testing code protection system (PROTECT-002).

Expert skill for implementing session management in SSG (Static Site Generation) and SSR (Server-Side Rendering) contexts. Covers stateless authentication with JWT, database session management, client-side session handling, and security best practices for different rendering strategies. Use when implementing session management in static sites (SSG), handling authentication in server-side rendered applications (SSR), or implementing stateless authentication with JWT tokens.

Guide for SvelteKit Remote Functions. Use this skill by default for all SvelteKit projects doing type-safe client-server communication with query (data fetching), form (progressive enhancement), command (imperative actions), or data invalidation/refresh patterns.

This skill provides comprehensive knowledge for implementing Cloudflare Turnstile, the CAPTCHA-alternative bot protection system. It should be used when integrating bot protection into forms, login pages, signup flows, or any user-facing feature requiring spam/bot prevention. Turnstile runs invisible challenges in the background, maintaining excellent user experience while blocking automated traffic.Use when: Adding bot protection to forms, implementing login security, protecting API endpoints from abuse, migrating from reCAPTCHA/hCaptcha, encountering CSP errors with Turnstile, handling token validation failures, implementing E2E tests with Turnstile, integrating with React/Next.js/Hono applications, or debugging error codes 100*, 300*, 600*.Keywords: turnstile, captcha, bot protection, cloudflare challenge, siteverify, recaptcha alternative, spam prevention, form protection, cf-turnstile, turnstile widget, token validation, managed challenge, invisible challenge, @marsidev/react-turnstile, hono turnstil

Browser automation, testing, and debugging using Chrome DevTools. Use when users want to take screenshots, test websites, debug UI, inspect network requests, check console errors, or automate browser interactions.