AI agents are moving from chat windows into toolchains: managed execution environments, SDKs, MCP servers, mobile approvals, workspace integrations, search agents, shopping agents, and enterprise platforms. This episode translates the week of announcements into one operator question: who owns the toolchain when the agent starts acting?

• Google I/O 2026 pushed agentic Gemini deeper into developer tools, Search, Workspace, shopping, app development, and personal agent surfaces.
• Anthropic announced it is acquiring Stainless, an SDK and MCP server tooling company that has generated official Anthropic SDKs.
• Anthropic and KPMG announced a global alliance to embed Claude into KPMG Digital Gateway and make Claude available to more than 276,000 employees.
• OpenAI Codex mobile and ChatGPT personal finance remain acti ...