> For the complete documentation index, see [llms.txt](https://docs.tonic.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tonic.ai/fabricate/data-agent-tools/data-agent-modes-and-models/using-autonomous-mode.md).
# Using Autonomous mode
## About Autonomous mode
For a very large, long-running workflow, you might not want to or even be able to respond to prompts and questions from the Data Agent.
Autonomous mode allows the Data Agent to plan and complete an action without ever asking a question or making a plan to review. It makes its own assumptions and decisions about the data to generate.
## Changing to Autonomous mode
To change to Autonomous mode, click the mode indicator, then select **Autonomous**.
Dropdown to select the Data Agent mode
While Autonomous mode is in effect, the Data Agent indicates the actions that it performs, but it does not ask any questions.
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# Agent Instructions
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