ClawHub CLI — install, update, search, and publish agent skills and
OpenClaw packages.

It connects to the ClawHub skill directory (https://clawhub.ai) and lets you
manage OpenClaw agent skills from the command line.

Features:
- Search, install, update, and publish agent skills.
- Sync local skills to the ClawHub directory.
- Explore and inspect OpenClaw packages.
- Authenticate with the ClawHub registry.