# arc browser

Arc agent documentation

Manage the room-browser engine

[CLI reference index](/arc/docs/reference/cli) · [CLI behavior guide](/arc/docs/guides/cli)

## arc browser

Manage the room-browser engine

```text
usage: arc browser [-h] {install,engines} ...

positional arguments:
  {install,engines}
    install          Download + sha256-verify the pinned Chrome-for-Testing
                     build
    engines          List discovered browser engines in preference order

options:
  -h, --help         show this help message and exit

```

### Argument defaults

| Argument | Required | Default | Choices |
| --- | --- | --- | --- |

## arc browser install

Download + sha256-verify the pinned Chrome-for-Testing build

```text
usage: arc browser install [-h] [--data-root DATA_ROOT]

options:
  -h, --help            show this help message and exit
  --data-root DATA_ROOT
                        override the Arc data root (default: arc data-root)

```

### Argument defaults

| Argument | Required | Default | Choices |
| --- | --- | --- | --- |
| `--data-root` | no | null | — |

## arc browser engines

List discovered browser engines in preference order

```text
usage: arc browser engines [-h] [--data-root DATA_ROOT]

options:
  -h, --help            show this help message and exit
  --data-root DATA_ROOT
                        override the Arc data root (default: arc data-root)

```

### Argument defaults

| Argument | Required | Default | Choices |
| --- | --- | --- | --- |
| `--data-root` | no | null | — |