> For the complete documentation index, see [llms.txt](https://docs.dataswyft.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dataswyft.com/learn/platform-overview/serverless-pda-computations.md).

# Compute Tools

A Tool is a computation function that transforms data within the [PDA](/learn/architecture/personal-data-account.md) into new data, usually insights data. Privacy is inbuilt and ownership is assigned to the PDA user. These functions create new data, from simple summaries to new insights, and deposit the data back into the [PDA](/learn/architecture/personal-data-account.md), privately for the [PDA](/learn/architecture/personal-data-account.md) user and yet fully shareable with their permission.

Data scientists can create new insights and data within the [PDA](/learn/architecture/personal-data-account.md) for the PDA user to share with an application, receiving royalties in return, and in turn making even the simplest application into a powerful, personalised service for the user. Tools provide better insights, are fully private and full shareable.


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