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Example skill demonstrating Anthropic SKILL.md format. Load when learning to create skills or testing the OpenSkills loader.

Install Skill

Shared

Installs to .agents/skills, used by Codex, Amp, Warp, Cursor, OpenCode, and more.

CodexAmp
Warp
CursorOpenCode
Cline
Gemini CLI
GitHub Copilot
Personal

Available across projects.

$npx skills-installer add @numman-ali/openskills/my-first-skill --client shared
Project

Writes to .agents/skills.

$npx skills-installer add @numman-ali/openskills/my-first-skill -p --client shared
Note: Review the skill instructions before using it.

SKILL.md

name my-first-skill
description Example skill demonstrating Anthropic SKILL.md format. Load when learning to create skills or testing the OpenSkills loader.

My First Skill

This is an example skill demonstrating the Anthropic SKILL.md format.

Purpose

This skill shows how to structure procedural guidance for AI coding agents using progressive disclosure.

When to Use

Load this skill when:

  • Learning how skills work
  • Testing the OpenSkills loader
  • Understanding the SKILL.md format

Instructions

To create a skill:

  1. Create a directory: mkdir my-skill/
  2. Add SKILL.md with YAML frontmatter:
    ---
    name: my-skill
    description: When to use this skill
    ---
    
  3. Write instructions in imperative form (not second person)
  4. Reference bundled resources as needed

Bundled Resources

For detailed information about the SKILL.md specification:

See references/skill-format.md

Best Practices

  • Write in imperative/infinitive form: "To do X, execute Y"
  • NOT second person: avoid "You should..."
  • Keep SKILL.md under 5,000 words
  • Move detailed content to references/
  • Use scripts/ for executable code
  • Use assets/ for templates and output files

Resource Resolution

When this skill is loaded, the base directory is provided:

Base directory: /path/to/my-first-skill

Relative paths resolve from base directory:

  • references/skill-format.md → /path/to/my-first-skill/references/skill-format.md
  • scripts/helper.sh → /path/to/my-first-skill/scripts/helper.sh