video-scroll-effect

video-scroll-effect is a skill for Claude Code from ankitstage21/3D-website. It costs 122 tokens per session (4,849 once invoked), scanned A, original, no licence file.

A website-building skill for one section that uses a scroll-controlled sequence of video frames. As the visitor scrolls, the section displays different frames from a clip rather than using WebGL, a browser technology for interactive 3D graphics.

In plain words
What is it for?
Use it to generate or accept a supplied clip, split it into frames with ffmpeg, build the frame-scrub section, and deploy the completed site to a live URL.
Why use it?
It turns a planned visual effect into a finished site section while keeping the work limited to that section.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the scroll-3d plugin — 11 skills, 3 agents shipped together

Good fit Use it to generate or accept a supplied clip, split it into frames with ffmpeg, build the frame-scrub section, and deploy the completed site to a live URL.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ankitstage21/3d-website/video-scroll-effect
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 ankitstage21/3D-website --skill video-scroll-effect
Clone the repo
git clone --depth 1 https://github.com/ankitstage21/3D-website

Made for: Claude Code.

Or install scroll-3d, the plugin that ships this one along with the rest of its 11 skills, 3 agents.

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 video-scroll-effect

README.md
[![agentmods](https://agentmods.dev/badge/skills/ankitstage21/3d-website/video-scroll-effect/github.svg)](https://agentmods.dev/skills/ankitstage21/3d-website/video-scroll-effect)
Your own site
<a href="https://agentmods.dev/skills/ankitstage21/3d-website/video-scroll-effect"><img src="https://agentmods.dev/badge/skills/ankitstage21/3d-website/video-scroll-effect/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 video-scroll-effect

Your own site · 80×15
<a href="https://agentmods.dev/skills/ankitstage21/3d-website/video-scroll-effect"><img src="https://agentmods.dev/badge/skills/ankitstage21/3d-website/video-scroll-effect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 122 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,849 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 unknown 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 5.1 $0.00122 $0.04849
Opus 5.5 $0.00049 $0.01940
Sonnet 5.5 $0.00024 $0.00970
Haiku 4.5 $0.00012 $0.00485

Measured 1mo ago against content hash faa7f6548995, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

video-scroll-effect 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 1mo ago.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/compress-frames.sh, scripts/extract-frames.sh, templates/video-scroll-effect.js), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

- `completed` → download `results.rawUrl` with `curl`.
scroll3d-plugin/plugins/scroll-3d/skills/video-scroll-effect/SKILL.md · 256 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 1mo ago First seen · 256 lines · 122 tokens per session scan A faa7f6548995

Subscribe to this mod's changes

video-scroll-effect is a skill published in the GitHub repository ankitstage21/3D-website (13 stars, last pushed 2mo ago), with no licence file. It adds 122 tokens to every session and 4,849 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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