The U.S. Geological Survey requires software development services to create a STAC-based shoreline change measurement capability for the CoastSeg workflow, with initial focus on selected sites along the western and northern Alaskan coast. The estimated period of performance is August 1, 2026, through June 30, 2027. This is a small business opportunity, and a firm, fixed-price quote is requested. The location for performance is not specified. No budget amount is mentioned.