AI agents can already operate websites by reading text, inspecting accessibility trees, and clicking visible controls. That works, but it asks the agent to reverse-engineer an interface designed for humans. WebMCP proposes a different model: a website can expose supported actions as structured tools. Instead of guessing which button completes a booking, an agent can discover a bookSlot tool with a description, typed inputs, and a defined result. WebMCP is currently an emerging Chrome cap...