[BETA] Offload plan phase to Claude Code's ultraplan cloud; review in browser and import back.
Scanned 9/2/2026
Install to Claude Code
Skills Directorynpx -y skills add open-gsd/gsd-core --skill gsd-ultraplan-phase --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: gsd-ultraplan-phase
description: "[BETA] Offload plan phase to Claude Code's ultraplan cloud; review in browser and import back."
argument-hint: "[phase-number]"
allowed-tools:
- Read
- Bash
- Glob
- Grep
---
<objective>
Offload GSD's plan phase to Claude Code's ultraplan cloud infrastructure.
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.
</objective>
<execution_context>
@~/.claude/gsd-core/workflows/ultraplan-phase.md
@~/.claude/gsd-core/references/ui-brand.md
</execution_context>
<context>
$ARGUMENTS
</context>
<process>
Execute the ultraplan-phase workflow end-to-end.
</process>
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Adversarial multi-agent planning skill. Self-orchestrates 5 hostile category members (unspecified-low, unspecified-high, deep, ultrabrain, artistry) via team-mode for ruthless cross-critique debate, distills only the defensible insights, then MANDATORILY hands the distilled insight bundle to the `plan` agent for executable plan formalization. Use when planning needs maximum rigor and surfacing of weak assumptions, blind spots, and over-engineering. Triggers: 'hyperplan', 'hpp', '/hyperplan', ...
