Artificial intelligence is entering an era of agency. Systems now initiate, transact, negotiate, and coordinate at scale. Yet scale alone does not produce reliability. Without structural governance, capability accumulates faster than coherence. The Mindful AI Foundation advances the path of Mindful Knowledge. We focus on Constitutional Coherence not Stochastic Scale. We design and promote architectures where machine intelligence is grounded in constitutional constraints, persistent knowledge, and self-regulating control. Scale expands power. Architecture preserves integrity.