skillzy

skillzy is a CLI tool to initialize and validate skills according to the agentskills.io and skills.sh specification.

Installation

Via Cargo:

cargo install skillzy

Via NPM:

npm install -g @cle-does-things/skillzy

Commands

init

Initialize a new skill file by providing a name and description, with optional metadata.

skillzy init my-skill --description "Does something useful"

With all options:

skillzy init my-skill \
  --description "Does something useful" \
  --compatibility "Requires Node.js 18+" \
  --license MIT \
  --allowed-tools "Bash(git:*)" \
  --metadata AUTHOR=alice \
  --metadata VERSION=1.0.0

Arguments:

• NAME — Max 64 characters. Lowercase letters, numbers, and hyphens only. Must not start or end with a hyphen.

Options:

• -d, --description — Required. Max 1024 characters.
• -c, --compatibility — Optional. Skill compatibility requirements. Max 500 characters.
• -l, --license — Optional. License name or path to a bundled license file.
• -a, --allowed-tools — Optional. Space-delimited list of pre-approved tools the skill may use. Experimental.
• -m, --metadata — Optional. Key-value pair in the form KEY=VALUE. Can be repeated.

check

Validate the frontmatter of one or more existing skill files.

skillzy check path/to/SKILL.md path/to/another/SKILL.md

License

MIT