Autonomous development for real products. Governed agents build from specs you approve, follow the rules you set, and nothing merges until another agent proves it. Your decisions, judgement and taste are the bar that work must clear. Declare your vision and let agents build it.
A JavaScript library for structured interfaces, with explicit ownership and lifecycle. Built for agent-led development. Canonical Marionette repository; v4 history is preserved on the v4 branch.