---
title: "looker-dev-mode"
type: docs
weight: 1
description: >
A "looker-dev-mode" tool changes the current session into and out of dev mode
aliases:
- /resources/tools/looker-dev-mode
---
## About
A `looker-dev-mode` tool changes the session into and out of dev mode.
It's compatible with the following sources:
- [looker](../../sources/looker.md)
`looker-dev-mode` accepts a boolean parameter, true to enter dev mode and false
to exit dev mode.
## Example
```yaml
tools:
dev_mode:
kind: looker-dev-mode
source: looker-source
description: |
This tool allows toggling the Looker IDE session between Development Mode and Production Mode.
Development Mode enables making and testing changes to LookML projects.
Parameters:
- enable (required): A boolean value.
- `true`: Switches the current session to Development Mode.
- `false`: Switches the current session to Production Mode.
```
## Reference
| **field** | **type** | **required** | **description** |
|-------------|:--------:|:------------:|----------------------------------------------------|
| kind | string | true | Must be "looker-dev-mode". |
| source | string | true | Name of the source Looker instance. |
| description | string | true | Description of the tool that is passed to the LLM. |