Shape Up

Apply Ryan Singer's Shape Up — Basecamp's product development method for deciding what to build and how to ship it, distilled from the 2019 book Shape Up (free at basecamp.com/shapeup) and Singer's post-Basecamp evolution of the method at Felt Presence (2020–2026, including the Framing prelude, the Pitch → Package rename, and Shaping in Real Life). Use this skill whenever the user is shaping a product bet, writing or critiquing a pitch/package, running or fixing a betting table, deciding whether to bet on a feature idea, planning a six-week cycle, drawing a hill chart, hitting a circuit-breaker moment mid-cycle, sizing an appetite, considering ripping out their backlog, d…