# He Learn

> - Mechanically detectable prevention = executable rule/tool/fixture.

- Skill: `sgaabdu4/he-learn-2` (Agent Skill)
- Install (CLI): `npx skillmds@latest add sgaabdu4/he-learn-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/sgaabdu4/he-learn-2/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: sgaabdu4 (https://skillmd.com/u/sgaabdu4)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/sgaabdu4/he-learn-2

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- Mechanically detectable prevention = executable rule/tool/fixture.
- Prevention placement = before the expensive/failure boundary.
- Global `~/.agents` = learning engine only.
- Skill fallback = same root proven ≥2.
- `~/.agents/setup.sh repo-check <repo>` PASS.