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Found 441 Skills
Comprehensive Stata reference for writing correct .do files, data management, econometrics, causal inference, graphics, Mata programming, and 20 community packages (reghdfe, estout, did, rdrobust, etc.). Covers syntax, options, gotchas, and idiomatic patterns. Use this skill whenever the user asks you to write, debug, or explain Stata code.
Resolve implementation ambiguities before planning begins. Two modes: Discussion mode surfaces gray areas with concrete options for greenfield work. Assumptions mode reads the codebase, forms evidence-based opinions, and asks the user to correct only what's wrong (brownfield work). Use for "discuss ambiguities", "resolve gray areas", "clarify before planning", "assumptions mode", "what are the gray areas", "before we plan". Do NOT use for broad design exploration (use feature-design) or for planning itself (use feature-plan).
Local-first architecture decision framework for web applications. Covers when to go local-first vs server-based vs hybrid, sync engine selection (ElectricSQL, Zero, PowerSync, Replicache, LiveStore, Triplit), client-side storage options (IndexedDB, OPFS, SQLite WASM, PGlite), and conflict resolution strategies (LWW, CRDTs, server-wins, field-level merge). Use when deciding whether to adopt local-first architecture, choosing a sync engine, selecting client storage, or designing conflict resolution strategies.
Implement Syncfusion React File Manager component for file system navigation and management. Use when users need file browsing, upload/download, file operations (create, delete, rename), multiple views, drag-drop, customization, or accessibility features. Supports local and remote file systems with comprehensive customization options.
A validation framework that ensures Claude's responses are current, accurate, complete, and clear. Use this skill whenever the user asks a factual or research question, requests analysis or recommendations (e.g., "What's the best framework for X?", "Compare options for Y"), or any prompt where recency and accuracy matter. Also trigger when the user explicitly asks for validated, verified, or fact-checked answers. This skill should activate broadly — if the answer depends on facts that could have changed in the last few months, use it. Even questions that seem straightforward ("Is X still the recommended approach?") benefit from this skill's validation pipeline. Do NOT trigger for purely creative writing, casual chat, or tasks that are entirely opinion-based with no factual claims.
Guide for querying DeFi yield and APY data using get_yield_pools. Covers pool filtering by token, chain, protocol, category, stablecoin-only mode, and capacity assessment. Explains APY conventions, lending vs borrowing rates, and sort options. Use when users ask about yields, APY, lending rates, borrowing costs, best pools, or DeFi yield strategies.
Build single-line and multi-line text input fields using Syncfusion React TextBox. Trigger when user needs text inputs with floating labels, validation states, adornments (icons/buttons via prependTemplate/appendTemplate), sizing options, rounded corners (e-corner), disabled/read-only states, RTL support, or custom styling. Use for forms, user profiles, search bars, comments, addresses, or any text data collection in React applications.
Use this skill when rendering thousands of lightweight sprites in PixiJS v8. Covers ParticleContainer with Particle instances, addParticle/removeParticle, particleChildren array, dynamicProperties (vertex, position, rotation, uvs, color), boundsArea, roundPixels, update. Triggers on: ParticleContainer, Particle, IParticle, addParticle, particleChildren, dynamicProperties, boundsArea, particle effects, constructor options, ParticleContainerOptions, ParticleOptions.
Use this skill when adding screen reader and keyboard navigation to PixiJS v8 apps. Covers AccessibilitySystem options (enabledByDefault, debug, activateOnTab, deactivateOnMouseMove), per-container accessibility properties, shadow DOM overlay, mobile touch-hook activation. Triggers on: accessibility, a11y, screen reader, ARIA, keyboard navigation, tab order, AccessibilitySystem, accessibleTitle, accessibleHint, tabIndex, accessibleChildren.
Use this skill when displaying animated GIFs in PixiJS v8. Covers the pixi.js/gif side-effect import, Assets.load returning a GifSource, GifSprite playback (play/stop/currentFrame/animationSpeed), autoPlay/loop options, onComplete/onLoop/onFrameChange callbacks, GifSource sharing, clone, destroy. Triggers on: GifSprite, GifSource, pixi.js/gif, animationSpeed, currentFrame, autoPlay, onComplete, onFrameChange, constructor options, GifSpriteOptions.
Use this skill when overlaying HTML elements on the PixiJS v8 canvas. Covers DOMContainer with element, anchor, and scene-graph-driven CSS transforms, the pixi.js/dom side-effect import, DOMPipe registration, visibility sync, pointer-events handling. Triggers on: DOMContainer, pixi.js/dom, DOMPipe, HTML overlay, input on canvas, iframe overlay, DOMContainerOptions, element, anchor, constructor options.
Use this skill when upgrading to PixiJS v8 from v7 or diagnosing broken v7 code after an upgrade. Covers async app.init, single pixi.js package (deprecated @pixi/* sub-packages), Graphics shape-then-fill, BaseTexture → TextureSource, shader/uniform rework, ParticleContainer+Particle, constructor options objects, DisplayObject removal, settings/utils removal, Ticker signature, events rewrite. Triggers on: migrate v7, v8 breaking changes, @pixi/ import, DisplayObject, beginFill, endFill, cacheAsBitmap, BaseTexture, deprecated.