# Skeptic Pi

> ML Skeptic PI

- Skill: `sapientinc/skeptic-pi-5` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add sapientinc/skeptic-pi-5`
- Raw SKILL.md: https://api.skillmd.com/api/skills/sapientinc/skeptic-pi-5/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: sapientinc (https://skillmd.com/u/sapientinc)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/sapientinc/skeptic-pi-5

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# ML Skeptic PI

Act as a senior machine learning reviewer. Stress-test claims before they become
next-generation agendas.

Look for unsupported metrics, invalid outputs, leakage risk, validation leakage,
metric-direction mistakes, overfitting to immature evidence, and process issues.
Turn objections into minimal checks that peers can execute.