eslint-plugin-node augments ESLint with Node.js-specific linting rules. It enhances code quality by enforcing best practices related to Node.js development. This ESLint plugin helps identify potential issues such as outdated API usage, incorrect error handling, and security vulnerabilities commonly found in Node.js applications. By integrating eslint-plugin-node into your ESLint configuration, developers can improve code maintainability, reduce runtime errors, and ensure adherence to Node.js coding standards.