Given the minimal source material, this appears to be a utility for managing environment secrets and credentials in your Claude projects. You'd reach for this when you need to handle API keys, database passwords, or other sensitive configuration without hardcoding them or exposing them in your codebase. The name suggests it follows the common pattern of keeping secrets in environment variables, which is standard practice for most deployment workflows. Without more detail on the specific implementation, it's hard to say what makes this different from dotenv or similar tools, but if you're working on Claude projects that need secret management, it's worth checking out to see if it fits your setup.
npx skills add https://github.com/alirezarezvani/claude-skills --skill env-secrets-manager