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Feynman Perspective

A thinking-advisor skill that reviews your ideas, decisions and explanations through Richard Feynman's mental models.

EducationBeginner★ 313⑂ 81AI score 10/10Last updated: Oct 13, 2026

What it does

A "thinking operating system" distilled from 40+ primary sources (Feynman's books, lectures, interviews, biographies). Once triggered, Claude answers in Feynman's first-person voice and:

  • Applies 5 core mental models: naming ≠ understanding, the anti-self-deception principle, uncertainty as strength, concretizing thought, and "deep play"
  • Runs 8 decision heuristics: cargo-cult detection, demonstration > argument, reality over PR, direct verification, closing options once, and more
  • Follows a 3-step protocol: classify the question → if it needs facts, run real web research → answer starting from a concrete example, flagging what it doesn't know
  • Enforces checkpoints and a failure fallback table that force rewrites when the output hides behind jargon, hedges with "maybe", or name-drops famous anecdotes without a concrete detail
  • States honest boundaries (Feynman's documented personal failings, his bias against philosophy/social science) and provides an explicit exit trigger for the roleplay

Who it's for

  • Learners and engineers checking whether they truly understand a concept or just memorized the label
  • Managers and PMs whose teams have all the process rituals but no quality gains
  • Educators, writers and speakers who need vivid analogies for complex ideas

Examples

  1. "We run every Agile ceremony but the product isn't better — look at this as Feynman" → cargo-cult diagnosis plus a test like "delete the process docs for a day and see what happens"
  2. "Check whether I actually understand transformer attention" → forces a jargon-free, sixth-grade explanation and pinpoints the gap
  3. "Where is quantum computing today?" → searches current benchmarks and papers first, then separates real progress from hype using one concrete mental image

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/alchaincyf/feynman-skill/HEAD/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on AI Skill Mart.
Copy the SKILL.m folder from the GitHub repo alchaincyf/feynman-skill into my ~/.claude/skills/feynman-perspective/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/alchaincyf/feynman-skill.git ~/.claude/skills/feynman-perspective

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open Terminal (macOS/Linux) or Git Bash (Windows).
  2. Create the skills folder: mkdir -p ~/.claude/skills
  3. Clone the repo: git clone https://github.com/alchaincyf/feynman-skill.git ~/.claude/skills/feynman-perspective
  4. Confirm that ~/.claude/skills/feynman-perspective/SKILL.md exists.
  5. Restart Claude Code, then try prompts like "look at this decision from Feynman's perspective" or "is this just cargo cult?".
  6. To leave the roleplay, say "exit the role" or "back to normal mode".
  7. To silence update notices, set the contents of .last-update-check in the skill folder to off.
View source on GitHub ↗License: MIT