Button
Composer Send
A send button inside the input: disabled while the field is empty, Enter sends, Shift+Enter breaks the line.
React + Tailwind, shadcn-compatible: press “Copy for AI” and your Cursor or Claude Code agent installs it with the shadcn CLI.
What you can change
- the field placeholder through the placeholder prop
- the button's accessible name through the sendLabel prop, the arrow stays on the button
- the hint line and character cap through the hint and maxLength props
A link for your AI agent: preview, code and instructions.
Preview
Use it with AI
- 1. Copy the link.
- 2. Write to your agent in your own words and drop the link into the sentence.
- 3. The agent opens the link and installs the component from the registry.
put this on the home page as the hero:
https://vibeui.club/c/button-063?lang=en&theme=dark
Not sure where to paste it? Step-by-step guide
Show the full instructions
What the link says, spelled out. Use it when your agent cannot open links — paste this text instead.
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How to use
<Button063
placeholder="Write a message"
maxLength={2000}
onSend={(text) => send(text)}
/>A sample call. The agent installs the component itself from the registry via the “Copy for AI” link.
Settings
- Placeholder
placeholder· default: Write a message- Button name
sendLabel· default: Send- Hint
hint· default: Enter sends, Shift+Enter breaks the line- Text
defaultValue- Character cap
maxLength· default: 2000- Accent
accent· default: theme colour- Surface
background· default: theme colour
More in Button
FAQ
- How do I add Composer Send with Cursor or Claude Code?
- Press “Copy for AI” on this page and paste it into your agent's chat. The instruction contains the shadcn CLI install command, the dependencies and what to keep, so the agent installs this exact component instead of recreating a lookalike.
- What does Composer Send depend on?
- No npm packages beyond React and Tailwind CSS.
- What can I change in Composer Send?
- Adapt: the field placeholder through the placeholder prop; the button's accessible name through the sendLabel prop, the arrow stays on the button; the hint line and character cap through the hint and maxLength props. Keep as installed: the disabled button on an empty field: an active button promises an action that will not happen; the split between Enter and Shift+Enter — it is learned behaviour in every composer; the content-driven growth with a cap: scrolling from the first line reads as broken.
- Is Composer Send free?
- Yes. The preview is open without an account; with a free account you can copy up to 20 components a month.
For developers
npx shadcn@latest add https://vibeui.club/r/pro/button-063.jsonThis command needs a signed link: sign in and open “Component source” below — it issues a working link valid for 30 minutes. All install options
Technical notes
The component is self-contained: one file, no dependencies, palette in the local --vibeui-button-063-* variables. Client side: it owns the field value, counts characters and calls onSend with the trimmed text. The field grows with its content through field-sizing:content capped by max-height, so the composer does not scroll from the first line. The button is disabled while the trimmed value is empty; Enter is intercepted in onKeyDown, Shift+Enter is left to the browser. After sending, the field is cleared and focus returns to it.
Tags
- button
- composer
- chat
- send
- textarea
Component source
The same file your agent installs. Here in case you would rather copy it by hand.
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