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Nav TOC Scrollspy

Sticky table of contents sidebar for documentation with active section highlight.

Full screen Try a theme

Choose the primitives library your project already uses. Both look the same: your theme, not the variant, controls colors, shape, type and motion.

About this block

What it's for

  • Sticky table of contents sidebar for documentation with active section highlight.
  • On this page navigation built from h2 and h3 headings with scrollspy.
  • Article outline that follows the scroll position using IntersectionObserver.

Includes

  • Heading discovery
  • Sticky contents
  • Scrollspy
  • Intersection observer
  • Smooth scroll
  • Focus heading
  • Hash update
  • Reduced motion

Works with

  • Radix UI and Base UI primitives (pick the one your project uses)
  • React 19 and Tailwind CSS 4 in Next.js (App Router), Vite, React Router or TanStack Start, installed with the agentic-ui or shadcn CLI
  • Your theme tokens, in light and dark mode

Install

Included with Agentic UI Kit (one-time license). Install needs your license key: see pricing · connect your project.

Agentic UI CLI
agentic-ui add nav-toc-scrollspy
Installs through shadcn and adapts the component to your design tokens.
shadcn CLI
npx shadcn@4.17.0 add @agentic-ui/nav-toc-scrollspy

Used in

A standalone component: drop it into any screen.

Type
Block
Variants
Radix UI and Base UI
Themes
Light and dark
Widths
Preview it at desktop, tablet and mobile widths above.