Memo: The Legal Personhood Stack for AI Agents Is Being Assembled in Public, in Pieces, by Companies That Have Not Coordinated. Nobody Is Reading It as One Story.

Between February and May 2026, six separate companies shipped six separate products that, taken together, constitute the full infrastructure stack for software to operate as a legal-economic actor in the United States. Identity, custody, banking, merchant spending, machine-to-machine payments, and a legal-entity wrapper. Each piece was