An Operable Screen Comes Back Inside the Conversation — Claude Adopts the Final MCP Spec the Same Day, and the Plumbing Behind 400M Monthly Downloads Lands in the Product
The new "2026-07-28" version of the connection standard MCP was finalized on July 28. The same day, Anthropic announced its support, rolling out to Claude products—in stages—MCP Apps, which let tools return an "operable screen" inside the conversation, along with enterprise authentication, observabi