Direct answer: the fastest way to install an OpenClaw skill is npx clawhub@latest install <skill-name>. ClawHub is the official registry; the clawhub install command downloads a skill's SKILL.md into your project.
npm install -g clawhub@latest.clawhub init my-project.npx clawhub@latest install <skill-name> — e.g. npx clawhub@latest install gpt-prompt-chainer.npx clawhub@latest instead of the global binary, or add npm's global bin folder to your PATH.Browse all 5,705+ indexed skills in the OpenClaw skills directory.