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Generates pure SVG code animations using flat design and CSS keyframes. Use when user asks for SVG code, Lottie alternatives, vector illustrations, or…

Design and operate reconciliation processes that ensure data accuracy across portfolio management custodian and clearing systems. Use when building or…

Use when creating loading indicators, spinners, progress bars, or skeleton screens to communicate system status

nginx C module development guidelines based on the official nginx development guide. This skill should be used when writing, reviewing, or refactoring nginx C…

Guide the understanding and management of trade settlement and clearing processes. Use when designing settlement workflows for T+1 compliance, understanding…

Automated reproduction of comprehensive model evaluation benchmarks following the Benchmark Suite V3. Auto-activates for model benchmarking, comparison evaluation, or performance testing between AI models.

30/60/90/120 day ramp milestones. Activity expectations by week, certification progress, early warning indicators.

Turn a repeatable workflow from the current session into a reusable OMC skill draft

Background context for housing loan tax credit (住宅ローン控除) in the shinkoku tax filing plugin. Contains eligibility requirements, credit limits, calculation rules, and interaction with furusato-nozei for the current tax year. This skill is not user-invocable — Claude loads it automatically when responding to housing loan tax credit questions or calculations.

Use when creating animations for business contexts that require seriousness, competence, and trustworthy presentation.

Guide the design and implementation of order lifecycle management in trading systems. Use when building an order state machine for an OMS or EMS, implementing…

Use when elements transform in place - toggle switches, expanding accordions, checkbox animations, button states, or any transformation without…

Use when building larger movement animations between 500-800ms - hero transitions, complex reveals, animations that tell a story and deserve attention

Create and sign JSON Web Tokens (JWTs) for testing and development. Use when the user wants to generate, create, build, or sign a JWT — e.g. "create a JWT",…

Run Lighthouse audits locally via CLI or Node API, parse and interpret reports, and set performance budgets. Use when measuring site performance, understanding…

ALWAYS use when working with Angular Forms, reactive forms, template-driven forms, form validation, or form handling in Angular applications.

Ensure investment advertising and marketing materials comply with SEC Marketing Rule and FINRA Rule 2210. Use when the user asks about performance advertising,…

ALWAYS use when working with Angular Control Flow syntax, @if, @for, @switch, @defer, or new template syntax in Angular applications.

ALWAYS use when working with Angular Signals and HttpClient, toSignal, toObservable, or HTTP with signals.

Build fast applications with Bun JavaScript runtime. Use when creating Bun projects, using Bun APIs, bundling, testing, or optimizing Node.js alternatives.…