# Hello World

> A simple example skill that demonstrates the skills-as-mcp format. Use this skill when you want to test if skills are working correctly.

- Skill: `yoichiojima-2/hello-world` (Agent Skill)
- Install (CLI): `npx skillmds@latest add yoichiojima-2/hello-world`
- Raw SKILL.md: https://api.skillmd.com/api/skills/yoichiojima-2/hello-world/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: yoichiojima-2 (https://skillmd.com/u/yoichiojima-2)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/yoichiojima-2/hello-world

---


# Hello World Skill

This is a minimal example skill that demonstrates the SKILL.md format.

## Instructions

When this skill is loaded, greet the user and explain that the skills-as-mcp
system is working correctly.

## Usage

Simply say hello and confirm the skill system is operational.