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Privacy review and testing: evaluate PII handling, data flows, tracking inventory, consent mechanisms, storage practices, and data leakage risks with…

Resilience review and testing: evaluate error handling, graceful degradation, API contract compliance, edge cases, and failure recovery with browser-based…

Network reconnaissance — subdomain enumeration, port scanning, DNS/WHOIS/ASN lookups, endpoint discovery from JS, mass scanning, path discovery, CIDR/netblock…

Use this skill when users need to reduce churn, increase customer lifetime value (LTV), build recurring revenue, design upsells/cross-sells, or create customer…

Turn fuzzy work into one honest estimate packet by choosing the right sizing horizon, naming confidence and uncertainty, and separating discovery from delivery before anyone treats the number like a promise. Use when the user needs story points, t-shirt sizing, planning-poker prep, forecast-safe language, split-or-spike guidance, or cross-functional sizing across developer workflow, web/fullstack, product/ops, marketing/GTM, or game work. Route decomposition to `task-planning`, daily coordination to `standup-meeting`, and retrospective process learning to `sprint-retrospective`.

SpacetimeDB CLI reference for initializing projects, building modules, publishing databases, querying data, and managing servers

Comprehensive psychoeducation on mental health conditions, therapy modalities, evidence-based coping techniques, psychiatric medications, and self-assessment…

Run measurement-led React and Next.js performance audits for waterfalls, bundle size, RSC/server-client boundaries, hydration mismatch, rerender churn, script cost, and slow page interactions. Use when the user needs help diagnosing or refactoring a slow React UI, App Router route, heavy client component, or Next.js page with excess JavaScript or weak client/server boundaries. Triggers on: React perf, Next.js perf, waterfall, bundle size, hydration, rerender, client component too heavy, slow route, React profiler, web vitals.

Implement Syncfusion Blazor DataForm component for creating dynamic, data-bound forms with validation and field management. Use this when building forms in…

Performance review and testing: evaluate Core Web Vitals, page load times, bundle sizes, runtime performance, resource optimization, and rendering efficiency…

Kotlin/Spring Boot 3.x patterns - use for backend services, REST APIs, dependency injection, controllers, and service layers

Comprehensive test automation specialist covering unit, integration, and E2E testing strategies. Expert in Jest, Vitest, Playwright, Cypress, pytest, and…

Comprehensive Svelte development skill covering reactivity runes, components, stores, lifecycle, transitions, and modern Svelte 5 patterns

偵測「商品價格上漲、但對應實物 ETF/信託持倉卻下滑」的背離現象，並用多指標交叉驗證，評估是否存在實物供給緊張/交割壓力風險。

A guide for writing self-documenting code

Comprehensive MLOps workflows for the complete ML lifecycle - experiment tracking, model registry, deployment patterns, monitoring, A/B testing, and production…

Structured review process for Remotion video implementations. Analyzes spec compliance, detects common timing/easing issues, validates asset quality, and…

Routing-first skill for web/application/API hardening. Use when the main job is classifying which security layer is missing — browser/perimeter policy, session/cookie/CSRF, abuse controls, validation/unsafe execution, secrets/runtime config, or verification — and turning vague OWASP/security asks into one concrete hardening brief. Route auth-stack choice to `authentication-setup`, schema work to `database-schema-design`, code-level bug fixing to `debugging` / `code-review`, and environment wiring to `system-environment-setup`.

Invoke MassGen's multi-agent system. Use when the user wants multiple AI agents on a task: writing, code, review, planning, specs, research, design, or any…

Configure LLM providers, use fallback models, handle streaming, and manage model settings in PydanticAI. Use when selecting models, implementing resilience, or…