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From GSD Core
Offloads GSD's plan phase to Claude Code's ultraplan cloud infrastructure. Drafts plans remotely, review in browser, then import back.
How this skill is triggered — by the user, by Claude, or both
Slash command
/gsd-core:gsd-ultraplan-phase [phase-number][phase-number]This skill is limited to the following tools:
The summary Claude sees in its skill listing — used to decide when to auto-load this skill
<objective>
Ultraplan drafts the plan in a remote cloud session while your terminal stays free. Review and comment on the plan in your browser, then import it back via /gsd-import --from.
⚠ BETA: ultraplan is in research preview. Use /gsd-plan-phase for stable local planning. Requirements: Claude Code v2.1.91+, claude.ai account, GitHub repository.
<execution_context>
@/.claude/gsd-core/workflows/ultraplan-phase.md
@/.claude/gsd-core/references/ui-brand.md
</execution_context>
npx claudepluginhub open-gsd/gsd-coreGenerates atomic PLAN.md files for hierarchical project planning in solo agentic dev with Claude. Covers briefs, roadmaps, phases; includes tasks, verification, checkpoints, success criteria.
Creates detailed technical implementation plans via interactive research, iteration, user questions, and autonomy modes (Autopilot, Critical, Verbose). Activated by /create-plan or planning requests.