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Auto-invokes ultrathink workflow for any work request (default orchestrator)

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name ultrathink-orchestrator
version 1.0.0
description Auto-invokes ultrathink workflow for any work request (default orchestrator)
DEPRECATED true
deprecation_notice This skill is DEPRECATED as of 2025-11-26. Workflow selection is now handled directly in CLAUDE.md via the "MANDATORY: Workflow Selection" section. The indirection through skills has been eliminated to ensure consistent workflow enforcement.
auto_activate false
priority 5
triggers implement, create, build, add, fix, update, refactor, design

Ultrathink Orchestrator Skill

Purpose

This skill provides automatic orchestration for development and investigation tasks. It detects the task type from keywords and delegates to the appropriate workflow skill (investigation-workflow or default-workflow).

Auto-activation priority is LOW (5) to allow more specific skills to match first. When activated, this orchestrator selects between investigation-workflow and default-workflow based on the user's request keywords.

This skill acts as a thin wrapper around the canonical ultrathink command, following the amplihack pattern of single-source-of-truth for command logic.

Canonical Sources

This skill is a thin wrapper that references canonical sources:

  • Primary Command: .claude/commands/amplihack/ultrathink.md (278 lines)
  • Workflow Sources:
    • Development: .claude/workflow/DEFAULT_WORKFLOW.md
    • Investigation: .claude/workflow/INVESTIGATION_WORKFLOW.md

The canonical command contains complete task detection logic, complexity estimation, and orchestration patterns for both investigation and development workflows.

Execution Instructions

When this skill is activated, you MUST:

  1. Read the canonical command for task detection logic:

    Read(file_path=".claude/commands/amplihack/ultrathink.md")
    

    Note: Path is relative to project root. Claude Code resolves this automatically.

  2. Detect task type using keywords from the canonical command:

    • Investigation keywords: investigate, explain, understand, analyze, research, explore
    • Development keywords: implement, build, create, add feature, fix, refactor, deploy
    • Hybrid tasks: Both investigation and development keywords present
  3. Invoke appropriate workflow skill:

    • Investigation: Skill(skill="investigation-workflow")
    • Development: Skill(skill="default-workflow")
    • Hybrid: Both sequentially (investigation first, then development)
  4. Fallback if skill not found:

    • Read workflow markdown files directly
    • Investigation: .claude/workflow/INVESTIGATION_WORKFLOW.md
    • Development: .claude/workflow/DEFAULT_WORKFLOW.md
    • Follow workflow steps as specified

Why This Pattern

Benefits:

  • Single source of truth for orchestration logic in canonical command
  • No content duplication between command and skill
  • Task detection rules defined once, maintained once
  • Changes to ultrathink command automatically inherited by skill

Trade-offs:

  • Requires Read tool call to fetch canonical logic
  • Slight indirection vs. inline implementation

This pattern aligns with amplihack philosophy: ruthless simplicity through elimination of duplication.

Related Files

  • Canonical Command: .claude/commands/amplihack/ultrathink.md
  • Development Workflow Skill: .claude/skills/default-workflow/
  • Investigation Workflow Skill: .claude/skills/investigation-workflow/
  • Canonical Workflows:
    • .claude/workflow/DEFAULT_WORKFLOW.md
    • .claude/workflow/INVESTIGATION_WORKFLOW.md