Reach for this skill when the user asks for: "E-E-A-T audit", "author entity check", "Person schema", "verify author with Google Knowledge Graph", "build author authority", "YMYL content quality", "source citation density", "expertise signals", "trustworthiness score". This is the depth specialist — scores every published article against a 10-point E-E-A-T rubric (named author, bio page, Person schema, KG entity, outbound citations, original imagery/data, dateModified, Organization schema, YMYL reviewer credit). Cross-references author entities via Google Knowledge Graph API; builds author entity via Wikipedia + LinkedIn + Crunchbase linkage.
