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Found 742 Skills
Design rigorous A/B tests with hypotheses, variants, metrics, and sample size calculations.
Audit, document, or extend your design system. Use when checking for naming inconsistencies or hardcoded values across components, writing documentation for a component's variants, states, and accessibility notes, or designing a new pattern that fits the existing system.
Vercel environment variable expert guidance. Use when working with .env files, vercel env commands, OIDC tokens, or managing environment-specific configuration.
Compares current live GTM container against last known state from gtm-implementation-log.json. Shows what tags, triggers, and variables have been added, deleted, or modified since the last skill run. Read-only, no changes made. Prevents accidentally overwriting manual GTM changes. Trigger on - "what changed in GTM", "gtm diff", "check for manual changes", "gtm drift", "what's different in my container", "has anything changed".
Generates Angular code and provides architectural guidance. Trigger when creating projects, components, or services, or for best practices on reactivity (signals, linkedSignal, resource), forms, dependency injection, routing, SSR, accessibility (ARIA), animations, styling (component styles, Tailwind CSS), testing, or CLI tooling.
Convert a video to multiple GIF variants with different quality/size tradeoffs. Generates a comparison set so the user can visually pick the best result.
Query real-time weather and send reminders in a friendly colleague-like tone. Automatically detect IP location, display weather cards along with thoughtful chat messages. This skill should be triggered when users mention terms such as "weather", "Do I need an umbrella?", "Will it rain?", "Is it cold outside?", "Tomorrow's weather", or any topics related to outdoor outfits and weather conditions. It can also be used even when users casually mention the weather. Supports overriding the location via the WEATHER_CITY environment variable.
When the user wants to design, test, or improve their app icon to increase tap-through rate and conversions in App Store search and browse. Use when the user mentions "app icon", "icon design", "icon A/B test", "icon variants", "tap-through rate", "icon conversion", "icon refresh", or wants to know what makes a good app icon. For screenshot optimization, see screenshot-optimization. For full listing A/B tests, see ab-test-store-listing.
Comprehensive guide for Go database access. Covers parameterized queries, struct scanning, NULLable column handling, error patterns, transactions, isolation levels, SELECT FOR UPDATE, connection pool, batch processing, context propagation, and migration tooling. Use this skill whenever writing, reviewing, or debugging Golang code that interacts with PostgreSQL, MariaDB, MySQL, or SQLite. Also triggers for database testing or any question about database/sql, sqlx, pgx, or SQL queries in Golang. This skill explicitly does NOT generate database schemas or migration SQL.
Use this skill alongside figma-use when the task involves translating an application page, view, or multi-section layout into Figma. Triggers: 'write to Figma', 'create in Figma from code', 'push page to Figma', 'take this app/page and build it in Figma', 'create a screen', 'build a landing page in Figma', 'update the Figma screen to match code'. This is the preferred workflow skill whenever the user wants to build or update a full page, screen, or view in Figma from code or a description. Discovers design system components, variables, and styles via search_design_system, imports them, and assembles screens incrementally section-by-section using design system tokens instead of hardcoded values.
Skill for Skyline Worklet Animation System. Use this skill when developing high-performance interactive animations with worklet functions, SharedValue, animation types (timing/spring/decay), Easing functions, combined animations, and thread communication (runOnUI/runOnJS). Suitable for animation scenarios that require direct UI thread response, such as dragging, gesture following, spring rebound, etc. Trigger keywords: worklet, worklet animation, SharedValue, shared variable, timing, spring, decay, Easing, runOnUI, runOnJS, applyAnimatedStyle, interactive animation, gesture animation, UI thread animation.
Produces rigorous, unambiguous mathematical specifications using sets, functions, relations, invariants, and explicit edge-case handling. Use when requirements are ambiguous, systems have interacting constraints, or behavior/contracts must be precise and falsifiable.