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claude-codedevelopment

Marketplace create-skill

Guide for creating new Agent Skills. Use this skill when you need to create a new skill.

install
source · Clone the upstream repo
git clone https://github.com/aiskillstore/marketplace
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/aiskillstore/marketplace "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/0xmsc/create-skill" ~/.claude/skills/aiskillstore-marketplace-create-skill && rm -rf "$T"
manifest: skills/0xmsc/create-skill/SKILL.md
tags
#skill-creation#development#documentation#automation#metadata#templating
source content

Create Skill

Skill Structure

skill-name/
├── SKILL.md          # instructions + metadata
├── scripts/          # executable code (optional)
├── references/       # documentation (optional)
└── assets/           # templates/resources (optional)

Requirements

  • Frontmatter: Must include 
    name
    (lowercase-alphanumeric) and 
    description
    .
  • Description: Must include what it does and when to use it.
  • Body: Keep under 500 lines. Use imperative language.
  • Resources: Move detailed docs to 
    references/
    and code to 
    scripts/
    .

Process

  1. Directory: 
    mkdir <name>
    . Create 
    scripts/
    , 
    references/
    , or 
    assets/
    only if you actually have content for them.
  2. Metadata: Write the 
    SKILL.md
    frontmatter first.
  3. Resources: Implement scripts and test them.
  4. Instructions: Write concise steps in 
    SKILL.md
    body.
  5. Verify: Ensure frontmatter name matches directory name.

References