AI Briefing#protocol-specs
The latest AI and developer news about #protocol-specs, with the original source and a short summary.
The latest AI and developer news about #protocol-specs, with the original source and a short summary.
The new specifications move payment metadata to HTTP headers for gateway visibility but require a separate, isolated authorization service to prevent agents from self-approving expenditures.
The guide details webhook-based event subscription using MCP protocol version 2026-07-28.