One-click install
npx skills add https://github.com/freeCodeCamp-Universe/marketplace --skill hello-world-freecodecamp-universe
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: hello-world
Source: https://github.com/freeCodeCamp-Universe/marketplace/tree/main/skills/hello-world
Command: npx skills add https://github.com/freeCodeCamp-Universe/marketplace --skill hello-world-freecodecamp-universe

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provides a living example and template for writing SKILL.md so new skills can be created correctly and consistently, serving as a reference while learning the marketplace format.

Core Features & Use Cases

  • Demonstrates the recommended SKILL.md structure, including YAML frontmatter and Markdown body.
  • Acts as a hands-on guide to understanding trigger phrases, instructions, and guardrails.
  • Use case: new skill authors copy this pattern to scaffold their own skills.

Quick Start

Use this skill as a template to study the SKILL.md format and create your own new skill following the documented sections.

Frequently Asked Questions about hello-world

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I structure a SKILL.md file for agent skills?

To structure a SKILL.md file for agent skills, include YAML frontmatter for metadata and a Markdown body with a Quick Start section. This template demonstrates the required format, outlining trigger phrases, instructions, and guardrails for consistent skill authoring.

What is the SKILL.md format and when do I need it?

The SKILL.md format is a standardized Markdown structure required for creating agent skills in the marketplace. You need it when authoring new skills to ensure consistent frontmatter, sections, and guardrails across the platform.

How do I write YAML frontmatter for a skill template?

You write YAML frontmatter for a skill template by defining the name, description, and other metadata fields at the top of the SKILL.md file. This living example provides a hands-on guide to correctly formatting frontmatter for marketplace skills.

Can I use this skill template to learn guardrails and trigger phrases?

Yes, you can use this skill template to learn guardrails and trigger phrases. It acts as a hands-on guide that demonstrates how to structure these elements within the SKILL.md format to ensure safe and predictable skill invocation.

What sections are required in a Markdown body for agent skills?

Required sections in a Markdown body for agent skills include a detailed body with a Quick Start. This template shows how to document the problem solved, core features, use cases, and step-by-step instructions for invoking the skill.

Does building new skills require dependencies or components?

Building new skills using this template does not require external dependencies or components. It serves as a standalone reference that satisfies the Agent Skills standard by providing the correct SKILL.md structure and formatting guidelines.