# Help

Use the `ably help` command to display help information for Ably CLI commands. When run without arguments, it shows the main help with all available command groups. When run with a specific command, it shows detailed help for that command.

## Synopsis

<Code>

### Shell

```
ably help [commands]
```
</Code>

## Arguments

### `commands` 

The command to display help for, for example: `ably help channels publish`.

If no command is specified, the main help with all available command groups is displayed.

## Examples

Display the main help:

<Code>

### Shell

```
ably help
```
</Code>

Display help for a specific command:

<Code>

### Shell

```
ably help channels publish
```
</Code>

Display help for a command group:

<Code>

### Shell

```
ably help channels
```
</Code>

## See also

* [CLI reference](https://ably.com/docs/cli.md) — Full list of available commands.

## Related Topics

- [Overview](https://ably.com/docs/cli.md): Command-line interface for the Ably realtime messaging platform.
- [Login](https://ably.com/docs/cli/login.md): Log in to your Ably account using the CLI.
- [Autocomplete](https://ably.com/docs/cli/autocomplete.md): Display autocomplete installation instructions for the Ably CLI.
- [Env](https://ably.com/docs/cli/env.md): Show the reference for environment variables supported by the Ably CLI.
- [Status](https://ably.com/docs/cli/status.md): Check the status of Ably services using the CLI.
- [Version](https://ably.com/docs/cli/version.md): Display the version of the Ably CLI.

## Documentation Index

To discover additional Ably documentation:

1. Fetch [llms.txt](https://ably.com/llms.txt) for the canonical list of available pages.
2. Identify relevant URLs from that index.
3. Fetch target pages as needed.

Avoid using assumed or outdated documentation paths.