{
  "name": "HealthWatch",
  "description": "A health-reasoning substrate for AI agents: grounded HealthAssertions with provenance, trust-tiered by who is asking, metered per call.",
  "contract": "HealthAssertion/v1",
  "schema": "https://healthwatch.id/.well-known/health-assertion.schema.json",
  "human_landing": "https://healthwatch.id/",
  "agent_landing": "https://healthwatch.id/for-agents",
  "llms_txt": "https://healthwatch.id/llms.txt",
  "sitemap": "https://healthwatch.id/sitemap.xml",
  "status": "preview",
  "contact": "danny.taniwan@gmail.com",
  "tiers": [
    { "tier": "T0", "name": "public", "phi": "none", "access": "mcp", "status": "planned" },
    { "tier": "T1", "name": "aggregate", "phi": "k-anon", "access": "mcp", "status": "planned" },
    { "tier": "T2", "name": "compute-to-data", "phi": "consented, never-exfiltrated", "access": "acp+review", "status": "planned" },
    { "tier": "T3", "name": "personal", "phi": "own delegated agent only", "access": "delegated-oauth", "status": "planned" }
  ],
  "planned_tools": [
    "healthwatch.kb_search",
    "healthwatch.evidence_synthesis",
    "healthwatch.cohort_stat",
    "healthwatch.my_state",
    "healthwatch.ask_as_me"
  ],
  "metering": ["acp"],
  "not_medical_advice": true
}