npx build-skill – CLI scaffolding tool for AI agent skills

Summary: npx build-skill is a CLI that generates fully spec-compliant AI agent skill repositories with correct folder structures, templates, marketplace configuration, GitHub Actions workflows, and helper scripts. It automates setup to ensure skills function correctly without silent failures.

What it does

It scaffolds AI agent skill repositories using one command, providing SKILL.md templates, marketplace config, validation and sync GitHub Actions, and scripts to add new skills. It supports interactive and quiet modes for CI pipelines.

Who it's for

Developers building AI agent skills who need a standardized, validated repository setup to avoid configuration errors.

Why it matters

It eliminates setup errors that cause skills to fail silently by automating repository structure and validation workflows.