Steel CLI

CLI for launching and managing the NUU Steel dashboard — the per-workspace developer interface for Flint workspaces.

Installation

npm install -g @nuucognition/steel-cli

This automatically installs @nuucognition/flint-cli as a dependency, giving you both the steel and flint commands.

Dependency Chain

@nuucognition/steel-cli
  └── @nuucognition/flint-cli

Usage

steel serve (default)

Start the Steel dashboard against a Flint server.

steel                                    # Start with defaults
steel serve                              # Explicit serve command
steel serve --port 8080                  # Custom port
steel serve --server http://localhost:3000  # Custom Flint server URL
steel serve --no-open                    # Don't open browser automatically

Options:

| Flag | Default | Description | |------|---------|-------------| | -p, --port <port> | 13041 | Port to serve Steel on | | --host <host> | 127.0.0.1 | Host to bind to | | -s, --server <url> | http://127.0.0.1:13040 | Flint server URL | | --no-open | — | Don't open browser automatically |

steel dev

Start Steel in Vite dev mode (monorepo development only).

steel dev
steel dev --port 3001 --server http://localhost:3000

Global Options

| Flag | Description | |------|-------------| | --verbose | Show stack traces for errors | | --version | Show version | | --help | Show help |

Requirements

• Node.js >= 20
• A running Flint server (started via flint server or equivalent)

Related Packages

| Package | Description | |---------|-------------| | @nuucognition/flint-cli | Flint workspace manager (installed automatically) | | @nuucognition/tinderbox-cli | Multi-workspace orchestrator (installs Steel and Flint) | | @nuucognition/cli-core | Shared CLI infrastructure |