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 dialog

You choose where to execute: in the cloud (with PR creation) or teleport back to your terminal (with full local environment access)

Requires Claude Code v2.1.91+, a GitHub repo, and a Claude.ai account. Not available on Bedrock, Vertex, or Foundry

Direct Answer Block

Ultraplan is Anthropic's research preview feature that separates AI planning from execution by drafting structured plans in a cloud-based Claude Code session.…