Click the toolbar button on a tab to attach / detach.
If you see a red ! badge on the extension icon, the relay server is not reachable.
Start Moltbot’s browser relay on this machine (Gateway or node host), then click the toolbar button again.
Full guide (install, remote Gateway, security): docs.molt.bot/tools/chrome-extension
18792. Extension connects to: http://127.0.0.1:<port>/.
Only change this if your Moltbot profile uses a different cdpUrl port.