# When Changed

> Run command when a file changes. Simple file watcher.

- Skill: `javimosch/when-changed` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/when-changed`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/when-changed/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: javimosch (https://skillmd.com/u/javimosch)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/javimosch/when-changed

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# when-changed Plugin
Run command when a file changes. Simple file watcher.
## Commands
- `when _ _` — Passthrough