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Scrollspy Contents

A table of contents that highlights the section in view: tracking runs on IntersectionObserver, not a scroll handler.

React + Tailwind, shadcn-compatible: press “Copy for AI” and your Cursor or Claude Code agent installs it with the shadcn CLI.

What you can change

  • the sections array and their text
  • title — the contents heading
  • the text area height

A link for your AI agent: preview, code and instructions.

Preview

1440pxHost theme
Scrollspy Contents — A table of contents that highlights the section in view: tracking runs on IntersectionObserver, not a scroll handler.

Use it with AI

  1. 1. Copy the link.
  2. 2. Write to your agent in your own words and drop the link into the sentence.
  3. 3. The agent opens the link and installs the component from the registry.
AI
1Pick it here

put this on the home page as the hero:

https://vibeui.club/c/scrollspy-001?lang=en&theme=dark

2Paste into the chat
3Get it in your project

Not sure where to paste it? Step-by-step guide

Show the full instructions

What the link says, spelled out. Use it when your agent cannot open links — paste this text instead.

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How to use

<Scrollspy001 sections={[{ id: "install", title: "Install", text: "…" }]} />

A sample call. The agent installs the component itself from the registry via the “Copy for AI” link.

Settings

Heading
title · default: On this page
Accent
accent · default: theme colour
Background
background · default: theme colour

More in Navigation

FAQ

How do I add Scrollspy Contents with Cursor or Claude Code?
Press “Copy for AI” on this page and paste it into your agent's chat. The instruction contains the shadcn CLI install command, the dependencies and what to keep, so the agent installs this exact component instead of recreating a lookalike.
What does Scrollspy Contents depend on?
No npm packages beyond React and Tailwind CSS.
What can I change in Scrollspy Contents?
Adapt: the sections array and their text; title — the contents heading; the text area height. Keep as installed: the local --vibeui-scrollspy-001-* palette — do not swap it for your theme tokens; IntersectionObserver instead of a scroll handler: the browser decides when to recompute; the rootMargin cutting off the bottom: otherwise a barely visible section becomes active.
Is Scrollspy Contents free?
Yes. The preview is open without an account; with a free account you can copy up to 20 components a month.

For developers

npx shadcn@latest add https://vibeui.club/r/pro/scrollspy-001.json

This command needs a signed link: sign in and open “Component source” below — it issues a working link valid for 30 minutes. All install options

Technical notes

The component is self-contained: one file, no dependencies, its own palette in local variables --vibeui-scrollspy-001-*. Client-side: "use client" for the sake of IntersectionObserver. The observer is confined to the text area through root, and rootMargin cuts off the bottom 60%, otherwise a section that has only just appeared from below becomes active. The last section has tail space beneath it — without it it never scrolls into view.

Tags

  • scrollspy
  • toc
  • reading
  • observer
Component source

The same file your agent installs. Here in case you would rather copy it by hand.

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