LVTD Skills
codexReusable Agent Skills for Codex, Claude Code, and compatible clients, covering Django, Rust, Cookiecutter, SEO, traction, product marketing, and nonfiction publishing workflows.
200 skills
Framework-agnostic design principles for visual perception and hierarchy: how the eye groups elements, where it lands first, and what makes a composition read as ordered. Covers Hierarchy, Proximity, Signal-to-Noise Ratio, Color, Alignment, Legibility, Readability, Gestalt Similarity, Closure, and Figure-Ground Relationship. Drawn from the perception-related entries of 'Universal Principles of Design' (Lidwell, Holden, Butler, 2003) and the broader Gestalt and visual-design research literature.
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Plugin perception-and-hierarchy-principles in hashgraph-online/awesome-codex-plugins. Commands read from the repo's manifest — today.
alignment-grid-systemsUse this skill when designing or evaluating a grid system — picking column counts, gutter widths, breakpoints, baseline grids, or modular grids. Trigger when designing a new layout system, when an existing layout feels disorderly, when picking responsive breakpoints, or when reviewing a design that
alignment-text-and-numericsUse this skill when designing text-alignment and numeric-alignment decisions — choosing between left, right, center, and justified text; right-aligning numeric columns in tables; aligning labels relative to inputs; handling decimal alignment for currency. Trigger when laying out body content, design
alignmentUse this skill whenever the design has more than one element on the page — every layout, every form, every table, every page header, every card. Trigger when designing a layout, picking a grid, fixing a UI that "looks off," debating left vs. center alignment for body text, or auditing why a design f
closure-completion-costRecognize when closure is the wrong choice — when the perceptual completion work it asks of the user is too costly, ambiguous, or risky. Use when designing for accessibility audiences, novice users, high-stakes interfaces (medical, financial, safety), small rendering sizes that strain perception, or
closure-implied-shapesDesign forms that exploit closure — suggesting shapes through partial outlines, negative space, or strategic gaps so the user''s perception completes them. Use when designing icons that need to read at small sizes, logos that need memorability, illustrations with restraint, card layouts with implied
closureApply the Gestalt principle of Closure — the perceptual tendency to see incomplete shapes as whole. Use when designing icons (a few strokes can imply a closed shape), illustrations (negative space defines forms), logos (the IBM stripes, the WWF panda, the FedEx arrow), card layouts (cards don''t nee
color-accessibility-and-modeUse this skill when designing color systems that must satisfy accessibility requirements, work in both light and dark modes, support high-contrast preferences, and remain meaningful for users with color blindness or low vision. Trigger when picking text colors, designing for global compliance (WCAG,
color-semantic-systemsUse this skill when building or auditing a color system that encodes meaning — status colors (success / warning / error), category colors (department, product line, user segment), brand-role colors (primary, secondary, tertiary). Trigger when designing status badges, picking chart palettes, building
colorUse this skill whenever color decisions matter — picking the brand primary, defining a neutral ramp, designing status semantics (success/warning/error), choosing chart palettes, selecting accent hues, supporting dark mode, ensuring colorblind-safe contrast, or auditing an existing UI for color noise
figure-ground-cuesApply specific visual cues to control figure-ground perception — shadow, elevation, scale, contrast, saturation, opacity, and texture. Use when designing layered interfaces, focus states, hover treatments, or any context where one element should clearly stand forward against others. Each cue contrib
figure-ground-overlays-and-modalsApply figure-ground separation specifically for overlays — modals, dialogs, drawers, popovers, dropdowns, toasts. Use when designing or auditing the moments when a UI element appears over the underlying page and needs to clearly come forward. The most common figure-ground design problem; getting it
figure-ground-relationshipApply the Gestalt principle of Figure-Ground Relationship — the perceptual separation of what''s perceived as the figure (the focus, the object) from the ground (the surrounding context). Use when designing modals, overlays, focus states, hero elements, hover treatments, layered interfaces, or any c
gestalt-similarityApply the Gestalt principle of Similarity — elements that share visual attributes (color, shape, size, orientation) are perceived as belonging together, regardless of their physical proximity. Use when grouping related items in a list, status indicators, dashboard cards, navigation, or any context w
hierarchy-color-and-toneUse this skill when constructing visual hierarchy through color and tone (value, contrast, saturation) — picking which elements get full-color emphasis and which recede into greys, building a tone ladder, and deciding when color should *be* the hierarchy versus when it should *support* a size/weight
hierarchy-spatialUse this skill when constructing visual hierarchy through layout, position, size, and whitespace — not type, not color. Trigger when laying out a page or section and deciding what gets the dominant region, where to place the focal element, how much breathing room to give it, and how secondary elemen
hierarchy-typographicUse this skill when the question is specifically about how to construct visual hierarchy through typography — picking a type scale, ladders of weight, line-height steps, and the relationships between display, heading, body, and caption type. Trigger when designing type systems, choosing fonts, picki
hierarchyUse this skill whenever a design has more than one element competing for the viewer''s attention — which is essentially every design. Trigger when laying out a screen, page, slide, poster, dashboard, or any composition where you must decide what gets seen first, what supports it, and what recedes. T
legibility-contrast-and-spacingApply contrast and spacing for legibility — calibrating color contrast between text and background, character tracking, and line leading so a chosen typeface and size actually render legibly. Use when picking text colors, choosing background colors that will carry text, evaluating accessibility agai
legibility-typeface-and-sizeApply typeface and size choices for legibility — picking the right typeface for the use case (display, body, code, UI) and sizing it appropriately for the rendering context. Use when designing a type system for a product, choosing a brand typeface, evaluating an existing typeface against rendering c
legibilityApply the principle of Legibility — the visual clarity of individual characters and short phrases, determined by typeface, size, weight, contrast, and spacing. Use when picking type for UI elements (buttons, labels, navigation), evaluating typography against rendering conditions (small sizes, low-co
perception-routerUse this skill whenever a design task involves visual perception, layout, hierarchy, grouping, scanning order, attention, color organization, or composition — regardless of framework, design system, or platform. Trigger when the user is laying out a screen, page, slide, poster, dashboard, mobile vie
proximity-data-tablesUse this skill when designing or fixing data tables and tabular layouts — row spacing, column spacing, header treatment, group separators, total rows, sticky headers, dense vs. comfortable variants. Trigger when the user is laying out a table, deciding density, debugging "rows that are hard to follo
proximity-form-fieldsUse this skill when laying out a form, fixing a confusing form, or building a form layout convention for a design system. Forms are where proximity failures are most visible: ambiguous label-input pairing, sections that bleed into each other, help text that orphans from its field. Trigger when desig
proximity-navigationUse this skill when designing or fixing navigation — sidebars, top nav, footer nav, mobile menus, breadcrumbs, tab bars, command palette groupings. Trigger when grouping related links, deciding when to add section dividers, fixing a sidebar where every link feels like a separate item, or designing a
proximityUse this skill whenever the question is how to make a composition feel organized — what belongs with what, where groups end, how related items can be visually bound without resorting to borders or boxes. Trigger when laying out forms, tables, navigation, lists, cards, dashboards, or any composition
readability-line-lengthSet line length (measure) for prose — capping the maximum width of body text so lines stay in the 45–75 character range that supports comfortable sustained reading. Use when designing article layouts, documentation, email templates, dashboard copy, or any container that holds paragraphs of prose. Li
readability-rhythm-and-proseApply paragraph rhythm and prose-level readability — calibrating leading, paragraph spacing, subheading frequency, and visual breathing room so that long-form text reads smoothly without fatigue. Use when designing article layouts, documentation, reports, transcripts, or any context with sustained p
readabilityApply the principle of Readability — the ease with which sustained prose can be read, determined by line length, line height, paragraph rhythm, font choice for prose, and visual breathing room. Use when designing long-form content (articles, documentation, books, transcripts), writing email or repor
signal-to-noise-ratioUse this skill whenever a design has too much or too little visual content competing for attention — when a screen "feels noisy," "looks busy," "feels cluttered," "feels empty," or when the user can''t find the meaningful information amid decoration. Trigger when reviewing dashboards, data tables, s
similarity-and-contrastApply deliberate dissimilarity (contrast) to distinguish elements that need to be perceived as different — primary vs. secondary actions, normal vs. error states, foreground vs. background, the one important thing vs. the rest. Use when you want to emphasize a single element, distinguish roles, or b
similarity-groupingUse visual similarity to create perceptual groups — making related items look alike so users perceive them as a set. Use when designing lists with categorized items, navigation systems, status displays, dashboards with multiple data series, or any layout where you want users to see "these things go
snr-decoration-removalUse this skill when the question is *what to delete* — running a structured audit of a UI to remove decorative elements that don''t earn their pixels. Trigger when reviewing an existing UI for noise reduction, when a stakeholder pushback says "this feels too busy" but you don''t know what specifical
snr-densificationUse this skill when a design has *too much* whitespace — when the SNR pendulum has swung from cluttered all the way to sparse, sterile, or "empty-feeling," and you need to add signal density without adding noise. Trigger when reviewing a UI that "feels thin," "feels under-built," or where users comp
snr-emphasis-economyUse this skill when deciding *how* to spend emphasis — color, weight, size, motion — across a design so that each instance lands. Trigger when picking the primary action among many CTAs, when status-color usage has multiplied across the app and lost meaning, when the brand color appears in too many
Reusable Agent Skills for Codex, Claude Code, and compatible clients, covering Django, Rust, Cookiecutter, SEO, traction, product marketing, and nonfiction publishing workflows.
200 skills
280+ Agent Skills that turn Codex, Claude Code, Cursor and other agents into a research co-scientist across the academic research lifecycle: literature and PRISMA reviews, hypotheses, experimental design, data analysis in biology, chemistry, medicine, physics and ML, paper writing, citation verification and peer review.
200 skills
Role-based team delivery framework — Tech Lead-orchestrated 8-role system with 195+ skills, 27 specialist agents, 80+ commands, hooks, and ECC harness for Claude Code, Codex, and OpenCode.
175 skills
Open-source AI marketing plugin for agencies — 154 skills, 25 specialist agents, 12-Part Strategy Flow, AEO/GEO, GSC AI Performance Report, Google Ads API v24, EU AI Act Article 50 / C2PA compliance.
164 skills · hooks
Add real-time chat, voice and video calling to React, Angular, React Native, iOS, Android and Flutter apps, with the CometChat Docs MCP for current docs.
98 skills · 1 MCP server
How to make any AI video: find the skill, the options to show and the steps (no key needed), with the keyless varg how to MCP and the varg MCP for video, image, voice and music generation.
78 skills · 2 MCP servers
Collection of example skills demonstrating various capabilities including skill creation, MCP building, visual design, algorithmic art, internal communications, web testing, artifact building, Slack GIFs, and theme styling
19 skills
Comprehensive PR review agents specializing in comments, tests, error handling, type design, code quality, and code simplification
1 command · 6 agents
Professional UI/UX design intelligence for AI coding assistants. Includes searchable databases of styles, colors, typography, charts, and UX guidelines for React, Next.js, Astro, Vue, Nuxt.js, Nuxt UI, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui, Jetpack Compose, Angular, Laravel, JavaFX, and Three.js.
7 skills
tasteskill 2.5.1: professional company websites at the figma.com and x.ai level, with one section per screen, real photographs, real product UI, effects kept for tech and gaming pages, and a real-browser checker and finish gate.
1 skill
Design fluency for frontend development. 1 skill with 24 commands (/impeccable polish, /impeccable audit, /impeccable critique, etc.) and curated anti-pattern detection.
1 skill · 4 agents · hooks
Build, preview, and test UI components with Storybook.
7 skills
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