first-principles-destructor

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first-principles-destructor

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Universal AI agent skill — strips assumptions to reality floor, calculates convention tax, rebuilds from first principles. Works with Claude Code, Codex CLI, Gemini CLI, Cursor, Kiro.

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A skill for AI coding agents that strips any assumption down to its physics/math/logic floor, calculates the **convention tax**, and rebuilds from reality.

Works with Claude Code, Claude.ai, OpenAI Codex CLI, Gemini CLI, Cursor, and Amazon Kiro.

---

## What it does

Most of what any industry accepts as fixed is a set of agreements nobody has challenged recently enough.

This skill runs a 6-stage destruction process on any statement, business model, process, or industry belief:

1. **Assumption Inventory** — finds every hidden assumption (5–15 typical)
2. **Reality Floor** — strips convention; what do physics/math/logic actually require?
3. **Convention Tax Calculator** — what are you paying to maintain each assumption?
4. **Assumption Removal Test** — what breaks, what costs more, what turns out to be purely optional?
5. **Rebuilt Version** — reconstruct from reality, not habit
6. **First Mover Question** — if this rebuilt version is possible, why doesn't it exist yet?

### Example

> "Enterprise software has to have a long sales cycle"

The destructor finds 9 hidden assumptions, calculates the convention tax (avg 14 months and $280k CAC per deal), removes non-load-bearing ones, and rebuilds a product-led growth model with 3-week time-to-close.

---

## Install

### Claude Code (global — all projects)
```bash
./install.sh --claude-global
```
Then in any Claude Code session: `/first-principles [your statement]`

### Claude Code (project only)
```bash
./install.sh --claude-project
```

### Gemini CLI
```bash
./install.sh --gemini
```

### OpenAI Codex CLI
```bash
./install.sh --codex
```

### Cursor
```bash
./install.sh --cursor
```
Adds `.cursor/rules/first-principles.mdc` — auto-activates when you ask to challenge an assumption.

### Amazon Kiro
```bash
./install.sh --kiro
```
Adds `.kiro/steering/first-principles.md` — applied to every Kiro session in this project.

### All global (Claude Code + Gemini CLI + Codex CLI)
```bash
./install.sh --all-global
```

### Claude.ai (browser)
```bash
./package.sh
```
Then go to **claude.ai > Customize > Skills > + > Create skill** and upload `first-principles.skill`.

### Manual (any SKILL.md-compatible agent)
Copy `SKILL.md` to your agent's skills directory:

| Agent | Global skills path |
|---|---|
| Claude Code | `~/.claude/skills/first-principles/` |
| Gemini CLI | `~/.gemini/skills/first-principles/` |
| OpenAI Codex CLI | `~/.codex/skills/first-principles/` |
| Agents Standard | `~/.agents/skills/first-principles/` |

---

## Usage

Once installed, trigger by saying:

- `/first-principles [statement or belief]`
- `"Run first principles on: [idea]"`
- `"Destroy this assumption: [assumption]"`
- `"What's the convention tax on [process]?"`
- `"What's the reality floor for [belief]?"`

---

## File structure

```
first-principles-destructor/
├── SKILL.md                          # Universal (Claude Code, Codex, Gemini CLI)
├── .cursor/
│   └── rules/
│       └── first-principles.mdc      # Cursor
├── .kiro/
│   └── steering/
│       └── first-principles.md       # Amazon Kiro
├── install.sh                        # Installer for all platforms
├── package.sh                        # Build .skill ZIP for claude.ai upload
└── README.md
```

---

## Platform support

| Platform | Format | Status |
|---|---|---|
| Claude Code | `SKILL.md` | Supported |
| Claude.ai (browser) | `.skill` ZIP | Supported |
| OpenAI Codex CLI | `SKILL.md` | Supported |
| Gemini CLI | `SKILL.md` | Supported |
| Cursor | `.cursor/rules/*.mdc` | Supported |
| Amazon Kiro | `.kiro/steering/*.md` | Supported |
| GitHub Copilot | `SKILL.md` (partial) | Partial |

---

## License

MIT

first-principles-destructor

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