I Was a Human AI Agent Before it was Cool

In 2026, what I'm about to describe would be a three-tool agent loop. An LLM instance with computer use, a couple of MCP servers, maybe a router for the edge cases. A weekend project. When I actually built it, none of that existed. What I had was Puppeteer, three vastly different internal systems with no usable APIs, and a two-month backlog of customer escalations my team couldn't clear because each ticket required logging into all three systems, correlating what you found, and making a judgment