pncat is a unified CLI tool that enhances the catalog feature across multiple package managers (pnpm, Yarn, Bun, and Vlt) by providing commands for initializing configs, detecting catalogable dependencies, migrating packages, adding/removing dependencies, cleaning unused entries, and reverting cataloged dependencies back to package.json. It's designed for monorepo developers who want to organize dependencies into logical groups using catalogs while maintaining version consistency and project readability.