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AngelCantugr
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rubber-duck-debugger

Guides you to explain concepts using the structured Feynman Technique framework.

Updated Aug 23, 2026
Search Tags:#debugging#learning#problem-solving#explanation#feynman technique#knowledge consolidation
One-click install
npx skills add https://github.com/AngelCantugr/fantastic-engine --skill rubber-duck-debugger
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: rubber-duck-debugger
Source: https://github.com/AngelCantugr/fantastic-engine/tree/main/.claude/skills/rubber-duck-debugger
Command: npx skills add https://github.com/AngelCantugr/fantastic-engine --skill rubber-duck-debugger

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Struggling to understand a complex concept or debug a tricky problem often stems from an incomplete mental model, which passive learning doesn't address. This Skill facilitates active understanding.

Core Features & Use Cases

  • Feynman Technique: Guides you to explain concepts using a structured framework (What, Why, How, When, Example).
  • Knowledge Gap Identification: Helps you pinpoint areas where your understanding is weak by observing where you struggle in your explanation.
  • Solidify Learning: The act of teaching forces deeper processing and retention of information.
  • Use Case: When you're stuck on a coding problem or a new technical concept, explain it step-by-step to this Skill to gain clarity and identify your blind spots.

Quick Start

Ask the AI: "Help me explain JavaScript closures as if I'm teaching a child."