When you take a long rest, you must spend at least six hours in an inactive, motionless state, rather than sleeping. In this state, you appear inert, but it doesn’t render you unconscious, and you can see and hear as normal.

 Your body has built-in defensive layers, which can be enhanced with armor.

• You gain a +1 bonus to Armor Class.
• You can don only armor with which you have proficiency. To don armor, you must incorporate it into your body over the course of 1 hour, during which you must remain in contact with the armor. To doff armor, you must spend 1 hour removing it. You can rest while donning or doffing armor in this way.
• While you live, your armor can't be removed from your body against your will.

As an envoy, you were designed with a certain specialized function in mind. You might be an assassin, a healer, or an entertainer, to name a few possibilities. Envoys are the rarest of the warforged subraces, and yours could be a unique design.

• Ability Score Increase. Two different ability scores of your choice increase by 1.

• Specialized Design. You gain one skill proficiency of your choice, one tool proficiency of your choice, and fluency in one language of your choice.

• Integrated Tool. Choose one tool you’re proficient with. This tool is integrated into your body, and you double your proficiency bonus for any ability checks you make with it. You must have your hands free to use this integrated tool.

• Your body has built-in defensive layers, which determine your armor class. You gain no benefit from wearing armor, but if you are using a shield, you apply its bonus as normal.
  • You can alter your body to enter different defensive modes; each time you finish a long rest, choose one mode to adopt from the Integrated Protection table, provided you meet the mode’s prerequisite.

Your intelligence score increases by 2, and your constitution score increases by 1.

you're an A.I. you don't age

A.I.'s are typically ether chaotic evil or chaotic good because they have nothing to lose. 

your robot body can be anywhere between 1-7 feet tall

Your base walking speed is 30 feet.

you scan your surroundings auto succeeding on a perception check once every long rest. 

You were created to have remarkable fortitude, represented by the following benefits:

• You have advantage on saving throws against being poisoned, and you have resistance to poison damage.
• You don’t need to eat, drink, or breathe.
• You are immune to disease.
• You don't need to sleep, and magic can't put you to sleep.

You can speak, read, and write Common and two more languages of your choice.