See SFTP from the Command Line.

The following are instructions for connecting to your account under Mac with Fugu and Transmit.

To access your account via SFTP with Fugu, do the following:

1. In the Connect to field, enter server.joyent.us where server is the name of the server for your Joyent account.
2. In the Username field, enter your Joyent account user name
3. In the Port field, enter 22
4. You can leave the Directory field blank
5. If you’d like to save this connection as a favorite, click Add to Favorites
6. Click Connect
7. Fugu will now ask you for your password. Enter your Joyent account password and click Authenticate If you select Add Password to Keychain your password will be saved and you won’t need to enter it the next time you access your account.

And that’s it, you’ve just connected to your account via SFTP with Fugu!

To access your account via SFTP with Transmit, do the following:

1. Launch Transmit and, if the connection panel isn’t visible, click the connection panel button (it looks like a globe with the word “Connect” beside it)
2. In the Server: field, enter server.joyent.us where server is the name of the server for your Joyent account.
3. In the User Name: field, enter your Joyent account user name
4. In the Password: field, enter your Joyent account password
5. You can leave the Initial Path: field blank
6. For Protocol:, select SFTP. Note: This will change the Port: value to 22 which is the default port value for SFTP.
7. Click Connect

And that’s it, you’ve just connected to your account via SFTP with Transmit! Once connected you can save this connection to your Transmit Favorites by selecting Favorites → Add to Favorites...