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Found 2,720 Skills
Web browser game development principles. Framework selection, WebGPU, optimization, PWA.
Build, audit, and fix @legendapp/state usage in React, React Native, and TypeScript. Use for observable ownership, useValue selectors, observer and reactive components, fine-grained subscriptions, effects, persistence and sync, settings or session stores, deprecated use$ or useSelector migration, and reducing re-renders in hot paths.
Use when an agent drives Unreal Engine 5.8 on a Mac for any task: Editor Python (the unreal module), headless UnrealEditor-Cmd -run=pythonscript jobs, Epic's Unreal MCP server, the Remote Control API, console commands and cvars; when a script breaks on 5.8 (EditorLevelLibrary, Remote Control calls refused, Substrate materials black, MRQ presets); when a level, material, shot or build must be judged by numbers and a screenshot before it is called done; or when a brief must go to the right scenario-unreal-* specialist.
Use when the user brings an idea, a goal, or a discussion and wants it carried all the way to a reviewed, ready PR — e.g. 'optimize this app', 'make X faster', 'take this from idea to PR', 'full cycle'. Survey, decide with the human, implement, review until dry, ship with visuals.
Profile and optimize Three.js frame time, GPU workload, asset memory, and resource leaks.
Make Chalk Python resolvers statically accelerable. Use when the user asks to accelerate resolvers, fix static-acceleration diagnostics, check why a resolver "can't be accelerated", or speed up Python feature pipelines in a Chalk project (a repo with chalk.yaml/chalk.yml).
Explore and manage the IBM i SQL plan cache including snapshots, event monitors, and procedure references. Use when user asks about: (1) plan cache services or procedures available, (2) plan cache snapshot files on the system, (3) plan cache event monitor status, (4) how to dump or manage the plan cache, (5) plan cache sizing or QSQSRVR job memory usage, or (6) SQL syntax for plan cache management operations.
Use when setting up URP (or choosing URP vs HDRP), configuring URP assets and quality tiers for PC and phones, lighting a stylized or realistic Unity scene (sun, sky, baked or mixed lightmaps, Shadowmask, Adaptive Probe Volumes, reflection probes), or fixing blurry shadows, light leaks, gray bakes, washed-out images, tonemapping and grading, bloom too expensive on mobile, TAA, STP or MSAA choices, GPU Resident Drawer setup, shader warm-up hitches, or a custom shader that vanished or lost its baked light.
Create standout, technically ambitious interfaces that feel extraordinary through cinematic transitions, advanced motion, heavy rendering, or other high-ambition implementation work. Use when the user wants to wow, impress, go all-out, or push a feature beyond conventional UI polish—not when simple visual confidence or routine cleanup is enough.
Find what is actually working in the user's niche on YouTube and rank it by how far each video beat its own channel, then name the formula. Use for "what's working right now", "find viral videos in my niche", "why did this blow up", competitor research, or a swipe file.
Audits Android codebases for ANR risks and diagnoses ANR stack dumps. Use this skill when scanning Android code for ANR risks or triaging ANR stack dumps. Don't use for non-ANR crashes, dropped frames, general CPU profiling, or Perfetto system traces.
Core Web Vitals discipline for agent-built pages: LCP, CLS, INP budgets, font loading that doesn't shift layout, images that don't bloat, CSS/JS that doesn't block. A designed page that loads like a template is half a page. Use when generating or auditing any web page or component. Stack on the design-taste core skill.