Composer Trigger Popover

Character triggered picker for @ mentions, / commands, and similar popovers.

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Installation

pnpm dlx shadcn@latest add @assistant-ui/composer-trigger-popover

Requires @assistant-ui in the registries of your components.json (shadcn adds official directory namespaces automatically).

Use with Coding Agent

Paste this into Claude Code, Codex or Cursor. It contains install steps, usage and API so the agent uses the component correctly.

prompt.md
Use the "Composer Trigger Popover" component (assistant-ui/composer-trigger-popover) from its shadcn registry.1. Install it with: npx shadcn@latest add @assistant-ui/composer-trigger-popover2. Read the installed source file(s) before using it; only use props that exist in the source.3. Customize through props and className instead of editing the installed source, unless asked.

Files & dependencies

  • components/assistant-ui/elements/composer-trigger-popover.aui.tsx
dependencies@assistant-ui/react@^0.15.23lucide-react

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