The formal governing layer. Elected officials, departments, councils, planning bodies, courts, public safety agencies, and public institutions make the decisions that set the terms for everything else. AI tools at this layer simulate policy outcomes, model decision tradeoffs across competing stakeholder interests, surface constituent signals at scale, and give decision-makers a fuller picture before they act. Public education and the justice system live here — accountable to the public, operated by the state.

The connective tissue of civic life. Nonprofits, foundations, neighborhood associations, faith communities, member organizations, libraries, independent schools, universities, and civic health institutions carry the load that government cannot carry alone and that markets have no incentive to carry. This is the fat layer — the one closest to the community and most trusted by it. AI tools here map community needs, match resources to gaps, surface early signals of stress or opportunity, and help civic institutions do more with what they have.

The economic engine. Local businesses, employers, chambers of commerce, workforce programs, and economic development bodies generate the livelihoods that make civic life sustainable. A city's economic health determines its civic capacity. AI tools at this layer provide local economic intelligence, surface small business signals before problems compound, model workforce trends, and give civic and business leaders the shared picture they need to make decisions that hold together.

How a city talks to itself. News outlets, journalists, community media, neighborhood platforms, and civic information systems determine what a community knows about itself, how fast it knows it, and whether that knowledge reaches the people who need it. AI tools here support local data journalism, synthesize community narratives from multiple sources, and help civic information move with the speed and precision the moment requires.

The lived experience layer. Individual citizens, families, neighborhoods, parks, health and wellbeing, social services, and the texture of daily life in a place. Civic life either delivers here or it does not. AI tools at this layer reduce friction in civic participation, surface neighborhood-level intelligence, help service providers anticipate need before it becomes crisis, and give residents a more legible picture of the city around them.

How a city expresses and documents its own identity. Artists, performers, cultural institutions, heritage organizations, and creative industries produce the meaning that holds a community together across time. A city that functions but does not express itself is not fully alive. AI tools here support cultural mapping, community storytelling, heritage documentation, and the creative infrastructure that makes a place worth living in.

The meta layer. Where data, signal, and insight from every layer below converges into a picture of the city as a whole system. Civic intelligence is the capacity of a community to understand itself — to see patterns across layers, anticipate consequences across time, and make decisions with the full complexity of civic life in view. AI at this layer runs simulations, models scenarios, synthesizes cross-layer signals, and builds the long-horizon perspective that civic problems require. This is where the Civic Stack is headed.