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# Get started

## Docs

- [CLI generator](https://buildwithfern.com/learn/cli-generator/get-started/overview.md): Generate a production CLI from your API definition that's built for AI agents and human developers.
- [Quickstart](https://buildwithfern.com/learn/cli-generator/get-started/quickstart.md): Generate a working CLI binary from an OpenAPI spec in five steps.
- [Features](https://buildwithfern.com/learn/cli-generator/get-started/features.md): Explore the capabilities of Fern's generated CLIs, including output formatting, retries, pagination, dry-run mode, and TLS configuration.
- [Authentication](https://buildwithfern.com/learn/cli-generator/get-started/authentication.md): Configure how generated CLIs authenticate with your API using environment variables, CLI flags, files, or fallback chains.
- [OpenAPI extensions](https://buildwithfern.com/learn/cli-generator/get-started/openapi-extensions.md): Learn which Fern OpenAPI extensions influence the generated CLI and how they map to commands, flags, and help text.
- [Customization](https://buildwithfern.com/learn/cli-generator/get-started/customization.md): Customize generated CLIs with overrides, overlays, multi-spec merging, and custom commands.
- [Custom commands](https://buildwithfern.com/learn/cli-generator/get-started/custom-commands.md): Add your own Rust commands to a generated CLI, such as workflows that chain API calls, shortcuts, and local utilities.
- [Publishing](https://buildwithfern.com/learn/cli-generator/get-started/publishing.md): Publish your generated CLI to npm, GitHub Releases, Homebrew, and Scoop with automated cross-platform builds.
- [Self-hosted generation](https://buildwithfern.com/learn/cli-generator/get-started/local-generation.md): Run CLI generation on your own machine using Docker instead of Fern's cloud infrastructure.
- [Configuration reference](https://buildwithfern.com/learn/cli-generator/get-started/configuration.md): Configure CLI generation in generators.yml with generator-specific options, output targets, GitHub integration, and shared settings.