Claude Code Ultraplan: Cloud-Based AI Planning in 2026 — A Hands-On Tutorial TL;DR Summary Ultraplan offloads Claude Code's planning phase to a cloud session, keeping your terminal free while a structured plan is drafted remotely You review plans in your browser with inline comments, emoji reactions, and section-level navigation — a richer surface than terminal text Three ways to launch: the /ultraplan command, the ultraplan keyword in any prompt, or from a local plan's approval di...