Earthly Skills

Agent skills for working with Earthly tools and platforms.

Available Skills

Skill	Description
lunar-cataloger	Create Lunar cataloger plugins (Bash scripts) that sync software catalog information from external systems
lunar-collector	Create Lunar collector plugins (Bash scripts) that gather SDLC metadata
lunar-config	Edit lunar-config.yml — wire together components, domains, collectors, policies, catalogers, and initiatives
lunar-policy	Create Lunar policy plugins (Python scripts) that enforce engineering standards
lunar-sql	Query Lunar's SQL API for components, checks, policies, domains, and PRs
earthfile	Write Earthfiles for repeatable, containerized builds with Earthly

Installation

Install with the skills CLI:

# Install all Earthly skills globally
npx skills add earthly/skills -g

# Or install a specific skill globally
npx skills add earthly/skills -g --skill lunar-policy

The CLI auto-detects which coding agents you have installed (Claude Code, Codex, Cursor, and 50+ more) and copies the skills to the right location. See the skills CLI docs for more commands like list, update, and remove.

Drop -g to install into the current project's .claude/skills/ (or equivalent) instead — useful if you want to commit the skills into a shared team repo.

Usage

These skills are designed to be used with AI agents that support the Claude/Codex skill format. Each skill contains:

• SKILL.md - Main instructions and quick-start guide

Lunar skills also contain:

• references/ - Curated documentation for the AI to consult first
• Hosted docs backup - Use https://docs-lunar.earthly.dev/llms.txt only when references/ is insufficient; for targeted answers, ask a specific question with ?ask=<question> on a docs page URL

Quick Links

• Lunar Documentation
• lunar-lib Repository - Reference collectors and policies
• Earthly Documentation