AI Agents Can Talk, But Can We Trust Them?

Ever since Google released the Agent2Agent (A2A) protocol, followed by the Agent Communication Protocol (ACP) from IBM/BeeAI, the promised result has been a multi-agent ecosystem where agents communicate with each other autonomously and complete tasks without human intervention.

Consider this simple use case.

In the real world, you would typically call your travel agent, who would then contact other individuals to book flight tickets or plan activities by calling the tour guides. In the agentic future (or present!), your travel agent would be…