# Reverse Derivative Validator

> Triadic skill (validation)

- Skill: `plurigrid/reverse-derivative-validator` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add plurigrid/reverse-derivative-validator`
- Raw SKILL.md: https://api.skillmd.com/api/skills/plurigrid/reverse-derivative-validator/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: plurigrid (https://skillmd.com/u/plurigrid)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/plurigrid/reverse-derivative-validator

---


# Reverse Derivative Validator

Triadic skill (validation)

## Polynomial Interface

```
p = Output^y^Input
```

## Activation

Load when this skill is needed.

## Usage

```bash
bb ~/.claude/skills/reverse-derivative-validator/run.bb
```

## Behavior

1. **MINUS (-1)**: Validate inputs
2. **ERGODIC (0)**: Process/transform  
3. **PLUS (+1)**: Emit results

## GF(3) Conservation

This skill participates in triadic composition: Σ trits ≡ 0 (mod 3)


## Para(Optic) atlas

Part of: `para-mensch-commons`.