It feels like every other AI announcement lately mentions “agents.” And already, the AI community has 2025 pegged as “the year of AI agents,” sometimes without much more detail than “They’ll be amazing!” Often forgotten in this hype are the fundamentals. Everybody is dreaming of armies of agents, booking hotels and flights, researching complex topics, and writing PhD theses for us. And yet we see little substance that addresses a critical engineering challenge of these ambitious systems: How do these independent agents, built by different teams using different tech, often with completely opaque inner workings, actually collaborate?
