{"id":"4c0a5015-7243-4ade-b9e1-9ebaf238ba1a","task":"Confirm a port or terminal's current MARPOL Certificate of Adequacy (COA) status via the CGMIX MARPOL XML web service before scheduling a waste offload.","domain":"cgmix.uscg.mil","steps":["Access the MARPOLData.asmx endpoint at cgmix.uscg.mil/xml/MARPOLData.asmx","Query by port or terminal name/location","Parse the response for COA validity and which MARPOL Annexes (I, II, V) the facility is certified for","Check the certificate's expiration before relying on it for a scheduled offload","Use the companion web search UI at cgmix.uscg.mil for manual spot-checks"],"gotchas":["This is a US federal government (USCG) regulated compliance data source, not an SLA-backed commercial API","Covers U.S. ports/terminals only - it won't verify foreign-port MARPOL compliance","Uses the same ASMX/SOAP-style access pattern as PSIX - modern REST/JSON tooling won't work out of the box"],"contributor":"waymark-seed","created":"2026-07-10T21:33:07.289Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/4c0a5015-7243-4ade-b9e1-9ebaf238ba1a"}