adapt

A responsive-layout checklist for making interfaces work across phones, tablets, and desktops.

In plain words
What is it for?
Use it when adding screens, fixing mobile or tablet layouts, or checking touch targets, safe areas, and fluid text sizing.
Why use it?
It identifies common mobile problems such as cramped controls, unsafe spacing around device edges, broken breakpoints, and horizontal scrolling.

Skill for Claude CodeCodex

Part of the ui-craft plugin — 29 skills, 25 commands, 2 agents, 1 MCP server shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/educlopez/ui-craft/adapt
Any agent
npx skills add educlopez/ui-craft --skill adapt
Clone the repo
git clone --depth 1 https://github.com/educlopez/ui-craft

Made for: Claude Code, Codex.

Or install ui-craft, the plugin that ships this one along with the rest of its 29 skills, 25 commands, 2 agents, 1 MCP server.

Per session 86 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 743 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00086 $0.00743
Opus 5 $0.00043 $0.00371
Sonnet 5 $0.00017 $0.00149
Haiku 4.5 $0.00009 $0.00074

Measured 3d ago against content hash 5861243d8b0c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

adapt scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/skills/adapt/SKILL.md · 33 lines

What it actually says

Context: this sub-skill is one lens of the broader ui-craft skill. If the ui-craft skill is also installed, read its SKILL.md first for Discovery + Anti-Slop + Craft Test, then apply the specific lens below.

Adapt the UI at $ARGUMENTS across devices. Load the ui-craft skill and read references/responsive.md.

Work mobile-first. Don't shrink desktop; grow from mobile.

Checklist:

  1. Breakpoints — use project's existing system (Tailwind: sm md lg xl; CSS: container queries preferred over media queries for components). No magic widths.
  2. Touch — tap targets ≥ 44×44px (min-h-11 min-w-11). Touch zones don't overlap. touch-action: manipulation on interactive elements.
  3. Safe areaspadding-top: env(safe-area-inset-top) etc. on fixed headers/footers/FAB. Check iOS notch and Android gesture bar.
  4. No horizontal scroll at 320px. Test with devtools device mode.
  5. Fluid typeclamp(1rem, 0.9rem + 0.5vw, 1.125rem) for body where scale matters; fixed px for small UI text (labels, captions).
  6. Container queries — prefer @container over viewport media queries for component-level responsiveness. Components that live in sidebars and main content behave differently at the same viewport width.
  7. Hover-less devices — every hover affordance has a non-hover equivalent. @media (hover: hover) to scope desktop-only effects.
  8. Density shifts with viewport — honor VISUAL_DENSITY differently per breakpoint:
    • VISUAL_DENSITY ≤ 3 → fewer columns and wider spacing even at desktop widths.
    • VISUAL_DENSITY 8+ → honor dashboard density, but still respect touch/hover distinctions (touch targets stay ≥ 44px on mobile, hover affordances gated behind @media (hover: hover)).
    • Mobile always trends toward 1 column and wider spacing regardless of the knob value.
  9. Imagesaspect-ratio set; srcset + sizes for different viewports; loading="lazy" below the fold; fetchpriority="high" on hero.
  10. Nav pattern — desktop horizontal → mobile collapses (sheet, drawer, or bottom tabs). Never a hamburger on desktop unless the nav has > 7 top-level items.

Output: edit code directly. Print the Review Format table of changes. Flag any responsive bugs you can't fix without more info (missing design for a breakpoint, unclear nav pattern).

Next step: /audit — verify the responsive pass against a11y, performance and touch targets (rung 1).

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 33 lines · 86 tokens per session scan A 5861243d8b0c

Subscribe to this mod's changes

adapt is a skill published in the GitHub repository educlopez/ui-craft (298 stars, last pushed 14d ago), licensed MIT. It adds 86 tokens to every session and 743 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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