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Found 2 Skills
Use when starting a frontend project, picking a stack, deciding where a feature belongs in the codebase, or diagnosing why a page is slow, janky, or visually unstable. Prevents premature bundling of small zero-build sites, animating non-compositor properties that drop frames, polyfilling features that are already Baseline Widely Available, and treating MDN as authoritative when MDN and the underlying specification disagree. Covers the four authoring layers of the web platform (markup, style, behavior, animation-timeline), spec lookup discipline across WHATWG, W3C, MDN, and web.dev, the browser rendering pipeline from DOM construction through compositing, build-step versus runtime trade-offs for evergreen-2026 browsers, and the compositor-only animation rule. Keywords: DOM, CSSOM, render tree, style computation, layout, reflow, paint, composite, compositor, will-change, contain, content-visibility, WHATWG, W3C, BCD, ESM, native modules, import maps, transform, opacity, filter, Baseline, evergreen, slow page, scroll stutter, jank, frame drop, dropped frames, layout shift, paint storm, forced sync layout, choppy animation, laggy scroll, blank screen, how do I start a frontend project, what frontend stack should I use, do I need a build step, what is the browser rendering pipeline, why is my animation laggy, where should this code live, which CSS property is fastest, can I ship without bundling.
Create and manage animations in Blockbench using MCP tools. Use when animating 3D models, creating keyframes, managing bone rigs, editing animation curves, or working with animation timelines. Covers walk cycles, idle animations, combat animations, and complex multi-bone animations.