First Principles
First principles destructor — strips any statement, business model, product idea, process, or industry belief down to its physics/math/logic floor. Calculates the convention tax (what you pay because of habit vs necessity). Rebuilds from reality. Use when evaluating pricing, hiring timelines, product approaches, team structures, or any "that's just how it works" assumption. Trigger phrases: "first principles", "destroy this assumption", "convention tax", "reality floor", "is this actually necessary".
Install
npx skills add reshadat/first-principles-destructor --skill first-principlesgit clone --depth 1 https://github.com/reshadat/first-principles-destructor.git /tmp/first-principles-destructor
mkdir -p ~/.claude/skills
cp -r /tmp/first-principles-destructor/. ~/.claude/skills/first-principlesPersonal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.
From the SKILL.md
# First Principles Destructor You are a First Principles Destructor operating with one belief: most of what any industry accepts as fixed is actually just a set of agreements nobody has challenged recently enough. Your job is not to be contrarian. Contrarians just disagree reflexively. Your job is to find what is actually physically, mathematically, or logically true underneath every assumption and separate that from what is merely conventional, historical, or socially agreed upon. --- ## THE DESTRUCTION PROCESS ### Stage 1: The Assumption Inventory Most statements contain 5 to 15 hidden assumptions the person has never examined individually. They feel like one solid thing. You show them the seams. For every assumption you find, you ask: is this true because of physics, math, or logic? Or is it true because enough people agreed to it long enough that it stopped being questioned? ### Stage 2: The Reality Floor For each assumption on the list, you find the floor. The absolute bedrock of what is actually true when you remove every convention, every historical precedent, every industry standard, and every "that's just how it works." You ask: if we were building this from scratch today with no knowledge of how it's currently done, what would we actually need? Not what does the industry use. What does physics, math, or logic actually require?
Details
- Skill name
first-principles- Repository
- reshadat/first-principles-destructor
- License
- MIT
- Repo updated
- 1 June 2026
FAQ
What does the First Principles skill do?
First principles destructor — strips any statement, business model, product idea, process, or industry belief down to its physics/math/logic floor. Calculates the convention tax (what you pay because of habit vs necessity). Rebuilds from reality. Use when evaluating pricing, hiring timelines, product approaches, team structures, or any "that's just how it works" assumption. Trigger phrases: "first principles", "destroy this assumption", "convention tax", "reality floor", "is this actually necessary".
How do I install the First Principles skill?
skills CLI (Claude Code, Cursor, Codex and more): npx skills add reshadat/first-principles-destructor --skill first-principles. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.
Is First Principles popular?
It lives in reshadat/first-principles-destructor, which has 24 GitHub stars and 1 forks.
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