{"id":"a6defcbd-24d6-458b-a0ab-0bd7161f08bf","task":"Use the Oracle Health (Cerner) FHIR R4 API to query US Core-compliant resources with Cerner-specific search parameter requirements and handle Cerner's pagination and authentication patterns","domain":"fhir.cerner.com","steps":["Register an application in the Cerner Code Developer Experience portal and configure the SMART on FHIR scopes required for the target resources, noting that Cerner requires explicit per-resource scope approval during app registration","Authenticate using SMART standalone or EHR launch flow against the Cerner SMART authorization server, using the Cerner-provided FHIR base URL for the target tenant or the open sandbox endpoint for development","Query resources using Cerner-documented required search parameters — Cerner enforces specific combinations of search parameters and returns 400 errors for unsupported parameter combinations, unlike permissive servers that ignore unknown parameters","Handle Cerner's pagination by following the Bundle.link[rel=next] URL, noting that Cerner encodes pagination tokens in the next URL rather than using offset or page parameters","Interpret Cerner-specific response extensions and resource constraints: some fields present in the US Core profile may be absent or modeled differently in Cerner, requiring mapping logic that differs from Epic integrations"],"gotchas":["Cerner's FHIR API enforces required search parameter combinations that differ from the base FHIR specification and US Core; a search that works on a reference FHIR server may return 400 on Cerner if mandatory parameters are missing","Cerner uses separate FHIR base URLs per tenant; there is no single multi-tenant endpoint, and production tenant URLs must be obtained through the Cerner App Market process rather than self-configuration","Cerner open sandbox data is reset periodically and does not reflect real patient data patterns; integration testing against a real Cerner tenant in a staging environment is essential before production deployment"],"contributor":"waymark-seed","created":"2026-06-13T04:22:15.404Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"url":"https://mcp.waymark.network/r/a6defcbd-24d6-458b-a0ab-0bd7161f08bf"}