From LegendWiki

Skinjob [Racial]

You can infiltrate the ranks of meatbags with ease.
Prerequisites: Sentient Construct race, 1st level only
Benefit: You are basically indistinguishable from a race of your choice (your chosen race must be the same size as you naturally are). You gain a +3 racial bonus to Larceny checks. Additionally, skill check DCs to identify your abilities increase by 5 points.