> ## Documentation Index
> Fetch the complete documentation index at: https://docs.prefect.io/llms.txt
> Use this file to discover all available pages before exploring further.

# block_capabilities

# `prefect.server.api.block_capabilities`

Routes for interacting with block capabilities.

## Functions

### `read_available_block_capabilities` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/server/api/block_capabilities.py#L19" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python theme={null}
read_available_block_capabilities(db: PrefectDBInterface = Depends(provide_database_interface)) -> List[str]
```

Get available block capabilities.

For more information, see [https://docs.prefect.io/v3/concepts/blocks](https://docs.prefect.io/v3/concepts/blocks).