Micronaut CLI is a powerful tool for scaffolding, developing, and managing Micronaut applications efficiently.Micronaut is a JVM-based framework suited for microservices, serverless applications, and cloud-native systems.It offers compile-time annotation processing, reducing memory usage and startup time.Micronaut integrates seamlessly with GraalVM for ahead-of-time compilation into native executables.Key features include compile-time dependency injection, fast startup time, seamless GraalVM integration, and more.The Micronaut CLI simplifies creating and managing Micronaut applications through code generation and task execution.It allows for generating projects, application components, running locally, building, testing, and managing features.Installation on macOS can be done via SDKMAN or manual download, with SDKMAN being the recommended method.On Windows, manual installation is preferred, with steps involving downloading, extracting, setting PATH, and verification.Once installed, developers can enhance productivity in developing Micronaut applications efficiently.