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AI Stream Renderer

Assistant response written token by token in a chat thread.

Full screen Try a theme

About this block

What it's for

  • Assistant response written token by token in a chat thread.
  • Summary generated live inside a research side panel.
  • Streaming output from an agent that emits code and tables in the developer console.

Includes

  • Incremental markdown parsing
  • Stable block identity
  • Flicker free reconciliation
  • Streaming cursor
  • Unterminated fence tolerance
  • Fenced code blocks
  • Tables and lists
  • Inline marks

Works with

  • Radix UI primitives (the registry variant it ships in)
  • React 19, Next.js App Router and Tailwind CSS 4, installed with the 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 ai-stream-renderer
Installs through shadcn and adapts the component to your design tokens.
shadcn CLI
npx shadcn@4.17.0 add @agentic-ui/ai-stream-renderer

Used in

A standalone component: drop it into any screen.

Type
Block
Variants
Radix UI
Themes
Light and dark
Widths
Preview it at desktop, tablet and mobile widths above.
Motion
Animated, with a reduced-motion fallback
Sample data
Ships with sample data in data.ts; replace it with your own.