ambience-skill

ambience-skill is a skill for Claude Code, Codex from daeryundf2-prog/LAZYANTIGRAVITY. It costs 132 tokens per session (4,317 once invoked), scanned A, a copy of ambience-skill, MIT.

A guide to atmosphere and large-scale motion in web interfaces, including animated backgrounds, headline reveals, scroll-based storytelling, and changing card surfaces.

In plain words
What is it for?
Use it for animated or shader backgrounds, particle and grid effects, headline animation, pinned scroll sections, and spotlight, tilt, glare, or glow effects on cards.
Why use it?
It separates page-wide visual motion from ordinary control behaviour, helping agents choose appropriate effects for a hero section or a scrolling story.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it for animated or shader backgrounds, particle and grid effects, headline animation, pinned scroll sections, and spotlight, tilt, glare, or glow effects on cards.

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Install with agentmods
npx agentmods add skills/daeryundf2-prog/lazyantigravity/ambience
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.

Any agent
npx skills add daeryundf2-prog/LAZYANTIGRAVITY --skill ambience
Clone the repo
git clone --depth 1 https://github.com/daeryundf2-prog/LAZYANTIGRAVITY

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for ambience-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/daeryundf2-prog/lazyantigravity/ambience/github.svg)](https://agentmods.dev/skills/daeryundf2-prog/lazyantigravity/ambience)
Your own site
<a href="https://agentmods.dev/skills/daeryundf2-prog/lazyantigravity/ambience"><img src="https://agentmods.dev/badge/skills/daeryundf2-prog/lazyantigravity/ambience/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.

agentmods 80×15 button for ambience-skill

Your own site · 80×15
<a href="https://agentmods.dev/skills/daeryundf2-prog/lazyantigravity/ambience"><img src="https://agentmods.dev/badge/skills/daeryundf2-prog/lazyantigravity/ambience.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 132 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,317 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin 95% copy Near-identical to another mod 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 5.1 $0.00132 $0.04317
Opus 5.5 $0.00053 $0.01727
Sonnet 5.5 $0.00026 $0.00863
Haiku 4.5 $0.00013 $0.00432

Measured 19d ago against content hash 28255c9b9f4b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ambience-skill scanned grade A with 1 finding 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 19d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

description: "Layer A ambience-and-typographic-motion reference anchored to the react-bits catalog (reactbits.dev). Stacks on any style skill whenever work adds a hero atmosphere, an animated or shader background, a typo
Origin

This is a copy

95% identical to ambience-skill — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

shared-skills/skills/frontend/references/design/ambience-skill.md · 147 lines

How it starts

The opening of the file, as written. The whole thing — 147 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Ambience and Typographic Motion — react-bits-Anchored

interaction-skill.md owns how controls respond: buttons, tabs, menus, modals, toasts. This file owns the other motion quadrant — the hero's atmosphere, the animated background, the way headline copy arrives, the scroll-driven chapter, the material feel of a card under the pointer. design/README.md names the hero focal object and the atmosphere as the two things that most often ship flat; this is where their mechanisms come from. It stacks on top of any Layer A style skill and any Layer B brand exactly like interaction-skill.md and layout-skill.md, and adds ZERO visual direction: color, type, and material still come from the style skill and DESIGN.md.

Load this whenever the deliverable includes: an animated, shader, particle, or grid background; a hero that must feel atmospheric or dimensional; text that reveals, splits, blurs, shimmers, types, counts, scrambles, or loops; scroll-triggered entrances or pinned chapters; spotlight / tilt / glare / glow card surfaces; or the user says "make the hero stunning", "add a living background", "animate the headline", "make it feel premium and alive".

1. The reference contract — never design ambience from memory

react-bits is the ambience benchmark: 170+ open-source React components across four catalog groups (Text Animations, Animations, Backgrounds, Components), each shipped in four variants (JS or TS, CSS or Tailwind) with a public shadcn-compatible registry. Its quality is uneven — most components ship demo colors, and only a minority carry a reduced-motion path — so it is a source of mechanisms, not a source of finished primitives. Improvising a background or a text reveal produces slop the same way improvised styling does; reaching for a 3D engine because the brief said "stunning" is the expensive version of the same mistake. Consult first, extract, then retrofit.

The contract, in order:

  1. Find the nearest pattern in the routing map (section 3). The live catalog is https://reactbits.dev/llms.txt; refresh from it when a pattern seems missing — the catalog grows monthly.
  2. Read its real source through the recipe (section 2). Read the TS-TW variant; all four variants share one behavior.
  3. Extract the mechanism, not the pixels: the render loop and what drives it (pointer, scroll, time), the shader uniforms or split strategy, what starts and stops the loop, how it sizes to its container, and what it depends on.
  4. Run the retrofit checklist (section 4). Assume the reduced-motion path, the off-screen pause, and the accessibility contract are missing until you have read them in the source.
  5. Adapt to the project. Colors, durations, easings, and intensities come from the project DESIGN.md; react-bits defaults are demo values. A value that is not in DESIGN.md gets added there first, then used.
  6. No matching pattern? Compose from the nearest two, or state explicitly that the effect is novel and record its mechanism in DESIGN.md before building it.

Read the full file on GitHub · 147 lines

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. 19d ago First seen · 147 lines · 132 tokens per session scan A 28255c9b9f4b

Subscribe to this mod's changes

ambience-skill is a skill published in the GitHub repository daeryundf2-prog/LAZYANTIGRAVITY (14 stars, last pushed 3d ago), licensed MIT. It adds 132 tokens to every session and 4,317 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). It is 95% identical to ambience-skill, differing in 2 lines, and is treated as a copy.

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