> For the complete documentation index, see [llms.txt](https://docs.hello-robot.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hello-robot.com/stretch4_install/license.md).

# LICENSE

The following license applies to the entire contents of this directory (the "Contents"), which contains installation software for use with the Stretch mobile manipulators, which are robots produced and sold by Hello Robot Inc.

Copyright 2020-2026 Hello Robot Inc.

This software is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License v3.0 (GNU GPLv3) as published by the Free Software Foundation.

This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License v3.0 (GNU GPLv3) for more details, which can be found via the following link:

<https://www.gnu.org/licenses/gpl-3.0.html>

For further information about the Contents including inquiries about dual licensing, please contact Hello Robot Inc.


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.hello-robot.com/stretch4_install/license.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
