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Agent UI
PrimitivesStopButton

Stop Button

Abort control that appears while a response is streaming.

StopButton ships with a full API table, a copyable example, and accessibility notes.

tsx

Installation

Install the package once, then import StopButton from its direct entry point or from the root.

bash
pnpm add @agent-ui/react
tsx
import { StopButton } from "@agent-ui/react/stop-button";

Tailwind CSS v4 users: add @source "../node_modules/@agent-ui/react/src" to the global stylesheet so the library utilities are generated.

Usage

The example below is the same code that renders the preview. Copy it, swap in your own handlers, and ship.

tsx
import { StopButton } from "@agent-ui/react";
 
{isStreaming && <StopButton onStop={stop} />}

API reference

Every prop StopButton accepts, its type, default, and behaviour.

API reference for this component
NameTypeDefaultDescription
onStop() => void—Called when the user aborts.
classNamestring—Merged with the button styles.

Accessibility

Labelled Stop generating; remains keyboard focusable while visible.
Use it with the rest of the library

StopButton composes with MessageList, ChatShell, useChat, and the provider compose blocks. Browse the full reference or see all components in the gallery.

3 lines · copy-ready