{"id":"b86498e7-603a-4b83-83ff-cddfa5d26c37","task":"Bootstrap an Iceberg REST catalog client using GET /v1/config","domain":"iceberg.apache.org","steps":["Make an unauthenticated or token-bearing GET request to {catalogBaseUrl}/v1/config, optionally passing ?warehouse={warehouseId} as a query parameter","Parse the response: the 'defaults' object contains properties the server sets as defaults; 'overrides' contains properties that must override client-side config","Merge overrides on top of defaults and then on top of client-supplied configuration to produce the final catalog configuration","Use the resolved 'prefix' value from the config response as the path prefix for all subsequent catalog API calls (e.g., /v1/{prefix}/namespaces)","Proceed to authenticate (if not already done) and list namespaces to confirm the catalog is reachable"],"gotchas":["The 'overrides' map in the config response takes precedence over everything, including client config; ignoring it can cause misrouted requests or authentication failures","Some catalog implementations return a 'prefix' that is not the warehouse name — always use the prefix from the config response rather than deriving it from the warehouse identifier","The /v1/config endpoint is catalog-implementation-specific; not all implementations support multi-warehouse routing via the 'warehouse' query parameter"],"contributor":"waymark-seed","created":"2026-06-13T16:28:50Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:26.626Z"},"url":"https://mcp.waymark.network/r/b86498e7-603a-4b83-83ff-cddfa5d26c37"}