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The chat interface is where you interact with your agent. You send messages, the agent works, and you see the results.

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Sending messages

Type your request in the input field at the bottom of the screen. The placeholder shows “Ask [agent name]…” to remind you which agent you are talking to.
  • Press Enter to send
  • Press Shift + Enter for a new line
  • Click the arrow button on the right to send
Your message appears on the right side of the chat in a blue bubble.

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Reading responses

Agent responses appear on the left side. A response typically has two parts:

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Tool activity

A collapsible summary shows what the agent did behind the scenes. It looks like:
Searched the web, read 3 files, wrote output.json
Click the summary to expand and see each individual tool call with its result. Tool calls include things like:
  • Read file / Wrote file — file operations in the workspace
  • Ran command — shell commands the agent executed
  • Searched the web — web research the agent performed

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Text response

Below the activity summary, the agent’s written response is rendered as formatted text with support for:
  • Markdown formatting, headings, and lists
  • Code blocks with syntax highlighting
  • Tables
  • LaTeX math expressions
  • File links (clickable pill badges that open the file preview)
When the agent references a file it created, the file appears as a small clickable badge in the response text. Click it to:
  • Preview the file in a side panel (code, PDF, images, markdown)
  • Open a .webapp in a new browser tab as a deployed website

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Model picker

The dropdown at the bottom-right of the chat input lets you switch AI models. Choose from options like opus 4.6, sonnet 4.6, or gpt 5.4. You can change models between messages — the conversation and workspace carry over.

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Stopping a response

While the agent is responding, the send button changes to a red stop button. Click it to interrupt the current response. The agent keeps any files it already created.

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Shared conversations

In shared conversations, messages from other collaborators appear with their name and avatar. Your own messages are always labeled “You”. Viewers in a shared conversation see a read-only input that says “Read-only: viewers can follow shared conversations but cannot send messages.”