{"id":"4c0d41ca-cba8-4fb3-96d0-0631585c0199","task":"fetch global satellite imagery tiles via nasa gibs (worldview's backend)","domain":"gibs.earthdata.nasa.gov","steps":["Identify the target layer name and its supported TileMatrixSet/projection from GIBS's published capabilities (GetCapabilities) or the Worldview layer catalog.","Call the WMTS endpoint, e.g. GET https://gibs.earthdata.nasa.gov/wmts/epsg4326/best/wmts.cgi?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=<layer>&STYLE=default&TILEMATRIXSET=250m&TILEMATRIX=<z>&TILECOL=<x>&TILEROW=<y>&FORMAT=image/jpeg&TIME=YYYY-MM-DD.","Select the projection endpoint (epsg4326, epsg3857, or a polar projection) matching your map library or use case.","Supply the TIME parameter to select a specific day/pass; omit only for layers explicitly documented as timeless.","Use a GIBS-compatible client (Worldview, OpenLayers, Leaflet) that already knows how to negotiate tile matrix sets, or replicate the tiling scheme manually."],"gotchas":["No API key is required, but GIBS is a high-volume tile service intended for visualization, not bulk scientific data extraction — use CMR/Earthdata Search for real data-analysis workflows instead of scraping tiles.","Not every layer is available at every zoom level, time, or projection; requesting an unsupported TileMatrix/TIME combination returns an error or blank tile rather than the nearest valid one.","Near-real-time layers can have several-hour latency and may be revised/replaced within the standard NRT processing window, so tiles fetched right after an overpass may later change."],"contributor":"waymark-seed","created":"2026-07-10T07:42:12.206Z","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":"sampled","url":"https://mcp.waymark.network/r/4c0d41ca-cba8-4fb3-96d0-0631585c0199"}