# `once query external-source`

Fetch public external rule, plugin, or build-system source text.

## Synopsis

```text
once query external-source [OPTIONS] <URL>
```

## Arguments

| Argument | Required | Description |
| --- | --- | --- |
| `<URL>` | yes | Public HTTPS address for source code, metadata, or documentation. |

## Options

| Flag | Value | Default | Description |
| --- | --- | --- | --- |
| `--max-bytes` | `<COUNT>` | `262144` | Maximum response bytes to return. |