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.
npx skills add dkadts/landing-kit-building --skill animationgit clone --depth 1 https://github.com/dkadts/landing-kit-buildingWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/dkadts/landing-kit-building/animation)<a href="https://agentmods.dev/skills/dkadts/landing-kit-building/animation"><img src="https://agentmods.dev/badge/skills/dkadts/landing-kit-building/animation/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/dkadts/landing-kit-building/animation"><img src="https://agentmods.dev/badge/skills/dkadts/landing-kit-building/animation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00068 | $0.02135 |
| Opus 5 | $0.00034 | $0.01068 |
| Sonnet 5 | $0.00014 | $0.00427 |
| Haiku 4.5 | $0.00007 | $0.00214 |
Grade A, and why
animation 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 8d 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.
How it starts
The opening of the file, as written. The whole thing — 198 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/animation
Motion is a first-class design system decision, not an afterthought. This skill runs a dedicated conversation about what animates, how, and why, grounded in the user's references. Output feeds /tokens and is enforced by /build.
When to use
- After
/design-lock(need ease + duration baseline from §5). - Before
/blocksif the interactive blocks depend on motion (e.g. a modal reveal style must match section reveals). - Before
/tokens— this skill adds motion tokens that/tokenswrites totokens.css.
Requirements
DESIGN-LOCK.md§5 (Motion) isLOCKED(has ease + duration).brief/05-design.mdis filled (mood — affects motion intensity default).- If
references/animation/orreferences/motion/contain refs:references/proposal.mdshould mention motion patterns found there.
If no motion references exist, still run the skill — but every question defaults to subtle and explicitly asks the user to confirm rather than accept.
Process
Six sections, in order. Each section: show what refs suggest → offer 3-4 options → user picks → record.
Section 1. Page-load choreography
What appears first on initial page load, in what order, with what stagger?
Reference read: any first-frame screenshots or notes in references/animation/*/notes.md.
Options (present as A / B / C, first option always "match reference X" if a ref exists):
- Instant — everything visible at first paint, no entrance.
- Hero-first — hero content fades in over
--dur-slow, everything else waits until fully loaded then reveals on scroll. - Staggered cascade — top-to-bottom stagger with
--dur-baseper element,stagger-base-msbetween.
Ask: stagger-base-ms value (30 / 60 / 120 ms). Default 60.
Section 2. Scroll-driven
Behavior as user scrolls: reveal, parallax, pinning, sticky headers.
Reference read: references/motion/ scroll captures, references/animation/ scroll notes.
Ask 4 sub-questions:
- Reveal on scroll? none / fade / fade+slide-up (16px) / fade+scale (0.98→1). Default: fade+slide-up if any ref shows reveal, else none.
- Parallax? yes/no. Only allow yes if a ref explicitly shows parallax AND the mood is not "quiet luxury" (conflict from
/refs). If enabled, ask depth: subtle (5%) / moderate (12%) / strong (25%). - Sticky section headers? yes/no. Default no (only enable if a ref shows it).
- Pinning (section stays while content animates over it)? yes/no. Default no. If yes, warn: high complexity, mobile-safety flag.
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.
- 8d ago First seen · 198 lines · 68 tokens per session scan A c41611c71cdc
animation is a skill published in the GitHub repository dkadts/landing-kit-building (2 stars, last pushed 20d ago), licensed MIT. It adds 68 tokens to every session and 2,135 once invoked, about $0.0003 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 2026-08-31.
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