MCP Grows Up: The Spec That Makes AI Agents Real
You tell your AI agent: “Send that report to my manager.” It drafts the perfect message — and then stops. The problem isn’t intelligence; it’s identity. It can’t press “send,” because your email — like every good enterprise system — lives behind an auth wall. That’s the invisible barrier keeping AI from doing real work: agents can’t safely act on behalf of their users. That small roadblock points to a much bigger one. AI agents can reason, plan, and communicate — but they’ve been locked out
