Message actions
Copy, regenerate, edit, retry, read aloud, and export.
On a user message
| Action | What it does |
|---|---|
| Edit | Change the last user message and resend (⌘↵ / Ctrl+Enter when editing) |
| Retry | After a failed turn, resend the last user prompt |
On an assistant message
| Action | What it does |
|---|---|
| Copy | Copy that reply as Markdown |
| Regenerate | Generate a new assistant reply for the same prompt |
| Read aloud | Browser text-to-speech; click again to stop |
| More | Timestamp, copy/download helpers |
Whole chat
From the chat header / overflow:
- Copy chat as Markdown
- Download chat as Markdown (filename like
brain-chat-…)
Tool calls in the stream
Tool groups expand to show arguments and results. Authorization challenges appear mid-turn when an MCP app needs you to sign in — open the authorize URL, then continue.