AI Engineer YouTube · June 5, 2026

Building Agent Interfaces: Lessons from Chrome DevTools (MCP) for Agents — Michael Hablich, Google

Building Agent Interfaces: Lessons from Chrome DevTools (MCP) for Agents — Michael Hablich, Google video thumbnail
Why it matters

Chrome DevTools MCP shipped with one tool: debug_webpage. Agents failed silently because they couldn't compose behaviors. The team decomposed it into 25 focused tools and assumed the problem was solved. It wasn't — now agents had 25 tools and no reliable way to pick the right one. Michael Hablich's talk is an honest ac

My takeaway: Chrome DevTools MCP shipped with one tool: debug_webpage. Agents failed silently because they couldn't compose behaviors. The team decomposed it into 25 focused tools and assumed the problem was solved. It wasn't — now agents had 25 tools and no reliable way to pick the right one. Michael Hablich's talk is an honest ac