AI Source Citation
Display sources and citations for RAG answers in React: title, origin label, and excerpt. Make AI answers verifiable. Accessible, install via the shadcn CLI.
When to use this in an AI app
Use AI Source Citation to attribute RAG or grounded answers to their sources. Compact reference cards let users verify where an AI response came from — essential for trustworthy retrieval-augmented apps.
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Installation
pnpm dlx shadcn@latest add https://ui.vllnt.ai/r/ai-source-citation.jsonStorybook
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View in StorybookCode
import { forwardRef } from "react";
import { ExternalLink, Quote } from "lucide-react";
import { cn } from "../../lib/utils";
export type AISourceCitationProps = React.ComponentPropsWithoutRef<"a"> & {
/** Optional short excerpt from the cited source. */
snippet?: string;
/** Source label such as domain, document, or collection. */
source: string;
/** Primary citation title. */
title: string;
};
const AISourceCitation = forwardRef<HTMLAnchorElement, AISourceCitationProps>(
(
{ className, href, snippet, source, target = "_blank", title, ...props },
ref,
) => {
return (
<a
className={cn(
"group inline-flex max-w-full flex-col gap-2 rounded-xl border border-border/70 bg-background px-3 py-2 text-left shadow-sm transition-colors hover:bg-muted/40 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2",
className,
)}
href={href}
ref={ref}
rel={target === "_blank" ? "noreferrer" : undefined}
target={target}
{...props}
>
<div className="flex items-start gap-2">
<Quote className="mt-0.5 size-4 shrink-0 text-muted-foreground" />
<div className="min-w-0 flex-1">
<div className="flex items-start justify-between gap-3">
<div className="min-w-0">
<p className="truncate text-sm font-medium text-foreground">
{title}
</p>
<p className="text-xs text-muted-foreground">{source}</p>
</div>
<ExternalLink className="size-4 shrink-0 text-muted-foreground transition-transform group-hover:-translate-y-0.5 group-hover:translate-x-0.5" />
</div>
</div>
</div>
{snippet ? (
<p className="line-clamp-3 text-sm leading-6 text-muted-foreground">
{snippet}
</p>
) : null}
</a>
);
},
);
AISourceCitation.displayName = "AISourceCitation";
export { AISourceCitation };