> For the complete documentation index, see [llms.txt](https://docs.materialsproject.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.materialsproject.org/materials-project-data-lakehouse.md).

# Materials Project Data Lakehouse

Documentation for the evolving cloud-based catalog of data products that MP produces, maintains, and provides to users.

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*Reference for readers unaquantied witht the concept of a* [*data lake/lakehouse*](https://aws.amazon.com/what-is/data-lakehouse/)
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<table data-view="cards" data-full-width="false"><thead><tr><th align="center"></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td align="center">Supported Data Products</td><td><a href="/materials-project-data-lakehouse/supported-data-products.md">Supported Data Products</a></td><td></td></tr><tr><td align="center">Access-controlled Data</td><td><a href="/materials-project-data-lakehouse/access-controlled-data.md">Access-controlled Data</a></td><td></td></tr><tr><td align="center">Arrow, Parquet, and OTFs</td><td><a href="/materials-project-data-lakehouse/arrow-parquet-and-otfs.md">Arrow, Parquet, and OTFs</a></td><td></td></tr><tr><td align="center">Arrow Datasets &#x26; the MPDataset Interface</td><td><a href="/materials-project-data-lakehouse/arrow-datasets.md">Arrow Datasets &amp; the MPDataset Interface</a></td><td></td></tr><tr><td align="center">Leveraging External Query Engines</td><td><a href="/materials-project-data-lakehouse/leveraging-external-query-engines.md">Leveraging External Query Engines</a></td><td></td></tr></tbody></table>