Stellaris add_ship command

This command creates a fleet with one ship of <span class="parameter parameter-primary">Design ID</span>. Press tab to reveal the NPC ship names. Spawned juggernauts will not be able to build, upgrade or repair ships.
Command syntax
add_ship <span class="parameter parameter-primary">Design ID</span>
add_ship Avatar
How to open the console in Stellaris
Press the ~ / ` key to open the command console. This key is located at the top left of the keyboard, usually under the F1 or ESC key. Type the command and press the Enter key.