Companion to the reply to CMS should pilot states, not pilot projects (Medicaid Three Horizons) and Jennifer Pahlka's A Three Horizons Framework for Government Reform. GitHub renders the mermaid below; the .mmd files are the sources. Author: Arion Hardison, Codify (medicaid.dev and one <state>.medicaid.dev tenant per state and territory). 2026-09-02.
Figure 1 — Operating model (state as the tenant, intent to deal to typed steps, read-side MCP, append-only ledger)
flowchart LR
H["tx.medicaid.dev"] --> T["tenant resolver (host header)"]
T --> I["intent catalog (renew-medicaid-coverage and 9 more)"]