Every B2B software company is (or should be) building a "headless" version of their product. One that can be used by agents. But "headless" doesn't mean "brainless". You don't just wrap your existing APIs into an MCP server and call it a day. The companies that succeed in the agentic era are those that take a thoughtful approach to *designing* an agentic user experience (AUX). Yes, that will likely involve APIs, MCPs and CLIs. But the difference will be in the *ergonomics* of the…