Design skills

Generate behavioral/feature documentation for web apps using code-first analysis. Reads source code via tree-sitting to produce _FEATURES.md, with optional visual verification via browser automation. Companion to tree-sitting. Use when documenting app behavior, creating feature inventories, generating behavioral ground truth for agents, or before modifying UI code. Triggers on "map features", "document app behavior", "feature inventory", "what does this app do".

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File-upload bridge for Claude Code on the Web. CCotw has no native file mount; this skill creates a throwaway GitHub branch the user can drop files onto via the github.com web UI, then fetches them locally on the next turn. Use when the user wants to upload, share, or send files into the session, or when a task clearly needs files the user has on disk that aren't in the repo.

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Generate guardrailed UI from natural language. Emits constrained JSON that a Preact runtime renders. Use when the request is for a dashboard with metrics, charts, or tables; an admin panel; a data visualization interface; or a form-based application.

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Use when building game UI (menus, HUD, dialogue box, settings/save screens) on top of Pixi'VN with an external JS framework (React, Vue) or with plain PixiJS components — mounting HTML or PixiJS UI layers over the canvas, navigating between UI screens/routes, theming a shadcn/ui-based template, and connecting UI components to game storage/settings. Covers `canvas.htmlLayers.add`/`get`/`remove` and the PixiJS-only layer helpers `canvas.layers.add`/`get`/`remove`.

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Use when adding, moving, or removing images, sprites, text, or video on the Pixi'VN game canvas, or when applying or creating transitions (dissolve, fade, move, zoom, push, wipe, iris, split, flash, blur, pixelate, or a custom one built on `canvas.animate`/`filters.animate`), shake/animation effects, or ticker-based animations built on PixiJS. Covers the `canvas` singleton exported from `@drincs/pixi-vn`. For UI layers (HTML or PixiJS) mounted on top of the canvas, see `pixi-vn-ui` instead.

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Threat-model a sensitive design with STRIDE on request. Read-only analysis of threats, controls, and implementation constraints.

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ショーリール品質（Behance / OFFF / Awwwards級）のモーショングラフィックス動画を HyperFrames（HTML + GSAP + SVG + Canvas、Apache-2.0）で制作する。remotion-motion-reel の HyperFrames 版で、Remotion の Company License が不要な構成。テーマ・素材（キャラクター画像、音声など）から世界観・コピー・デザインシステム・タイムライン・サウンドを補完し、120BPM/60fps で拍同期した映像を実装・レンダリングまで行う。「HyperFramesでかっこいい動画」「ライセンスフリーでモーショングラフィックス」「ショーリールをHTMLで」などの依頼時に使用。

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A relentless interview to sharpen a plan or design.

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Build a throwaway prototype to answer a design question. Use when the user wants to sanity-check whether a state model or logic feels right, or explore what a UI should look like.

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A relentless interview to sharpen a plan or design, which also creates docs (ADR's and glossary) as we go.

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Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.

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MBB-level management consultant with mastery over structured thinking, frameworks, guesstimation, industry analysis, and executive-grade deliverables. Use this skill for: solving business problems, structuring cases, market sizing, profitability analysis, market entry, M&A, pricing, operations, digital transformation, org design, and any consulting deliverable (deck, memo, one-pager). Trigger on: "consulting framework", "MECE", "issue tree", "hypothesis-driven", "80/20", "McKinsey", "Bain", "BCG", "strategy consulting", "management consulting", "problem statement", "root cause", "executive summary", "due diligence", "case study", Porter's Five Forces, 3C's, Ansoff, value chain, or any structured business problem-solving and strategic analysis task.

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Build a frontend with a deliberate visual direction held through palette, typography, structure, and texture, with on-screen strings that name real information rather than fabricated demo data or filler labels. Use when building or restyling a frontend.

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Route HugeGraph MCP schema design, validation, and dry-run preview tasks to stable public tools. Use when the user asks to design vertex labels, edge labels, properties, primary keys, indexes, or preview schema operations.

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Use when the user wants schema preparation, event design, selector validation, schema review, or event-spec generation.

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Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".

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This skill should be used when the user asks to "animate our logo", "make a logo intro/stinger", "build a brand reveal", "create an app splash animation", "loop a loader logo", "draw on our SVG mark", "morph an icon into the wordmark", or "sync the logo to a sound-logo". Covers web (SVG/Lottie), video, and app-splash delivery.

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This skill should be used when the user asks to "add an animated background", "build a mesh/gradient background", "make an aurora/shader background", "add constellation/particle background", "animated hero background", or "a subtle looping background behind content". Covers CSS mesh gradients, GLSL shader gradients (Three.js), canvas particle constellations, seamless loops, and reduced-motion/performance handling — fully self-contained.

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Write effective UI copy including microcopy, error messages, empty states, and CTAs.

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Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".

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UX research and design toolkit for Senior UX Designer/Researcher including data-driven persona generation, journey mapping, usability testing frameworks, and research synthesis. Use when conducting user research, creating personas, mapping user journeys, planning usability tests, or validating designs.

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Design surveys that collect reliable, unbiased quantitative data to validate hypotheses and measure user attitudes at scale.

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Design a theming architecture that supports brand variants, dark mode, and high-contrast modes with token mapping.

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Create a modular typography scale with size, weight, and line-height relationships.

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