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Found 10,414 Skills
Use when choosing a testing strategy, right-sizing test coverage, or understanding test categories. Covers the Test Trophy model, test type tradeoffs, and guidance on balancing static analysis, unit, integration, and end-to-end tests. USE FOR: testing strategy, Test Trophy, test type selection, right-sizing test coverage, balancing test categories, choosing testing tools, test automation architecture DO NOT USE FOR: specific test category implementation (use static-analysis, unit-testing, integration-testing, e2e-testing, etc.), BDD specification authoring (use specs/documentation/gherkin)
TanStack Query v5 server state management for React. Covers query/mutation patterns, v4-to-v5 migration (object syntax, gcTime, isPending, keepPreviousData), optimistic updates via useMutationState, SSR/hydration with HydrationBoundary, infinite queries, offline/PWA support, error boundaries with throwOnError, and React 19 Suspense integration. Use when building data fetching, fixing migration errors, debugging hydration mismatches, implementing caching strategies, or configuring mutations.
Search and manage Jira issues using JQL queries, create/update issues, and manage workflows. Use when working with Jira project management.
Tailwind CSS v4.1 best practices with WCAG 2.1 AA accessibility, theming, and dark mode support. Use when working with HTML, CSS, styling components, accessibility (a11y), WCAG compliance, color contrast, focus states, screen readers, theming, light mode, dark mode, or building accessible UI patterns like buttons, forms, cards, and navigation. Complements the angular-best-practices skill for Angular frontends.
React useEffect best practices. Use when writing Effects, derived values, or data fetching. Teaches when NOT to use Effects and better alternatives like useMemo or key props.
Search for available phone numbers by location and features, check coverage, and place orders. Use when acquiring new phone numbers. This skill provides Python SDK examples.
GitHub CLI workflows for repositories, issues, pull requests, actions, releases, projects, and API calls. Use when creating PRs, reviewing code, triaging issues, triggering workflows, publishing releases, managing projects, verifying attestations, or querying the GitHub API. Use for gh cli, github automation, code review, release management.
Builds accessible, customizable component libraries using shadcn/ui with Radix UI or Base UI, Tailwind CSS 4, and React 19. Covers component ownership, oklch CSS theming, type-safe forms with Field and Zod, CLI workflows, and registry patterns. Use when adding shadcn/ui components, configuring themes, building forms with Zod, creating custom registries, or composing accessible component variants. Use for shadcn CLI, dark mode, component variants, form validation.
Apply systematic problem-solving techniques for marketing challenges including campaign complexity (simplification cascades), creative blocks (collision-zone thinking), recurring campaign patterns (meta-pattern recognition), assumption constraints (inversion exercise), audience scale uncertainty (scale game), and dispatch when stuck. Techniques derived from proven problem-solving frameworks adapted for marketing execution.
GitHub CLI - manage repositories, issues, pull requests, actions, releases, and more from the command line.
Complete tmux terminal multiplexer management: sessions, windows, panes, layouts, scripting, and configuration. Auto-activates on: "tmux", "session", "window", "pane", "split", "attach", "detach", "multiplexer".
Code quality validation with linters, SOLID principles, DRY detection, error detection, and architecture compliance across all languages.