pystac-ext-xarray-assets
Xarray Assets extension for PySTAC
Decision gist · record as of 2026-08-14
Yes, if you are building or working with STAC catalogs that include raster or multidimensional data and need to standardize how those assets are opened with xarray. The package is actively maintained, has no known vulnerabilities, and carries a permissive license. Install it only if your workflow requires the Xarray Assets Extension; if you're using base PySTAC without xarray asset metadata, it's not necessary.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later; pystac-core must be installed as a runtime dependency.
- Low install friction with a single pure-Python dependency (pystac-core).
- Active maintenance with a recent release (4 days old) and steady repository activity.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 permissive license allows use in commercial and proprietary projects with minimal restrictions; you must include a copy of the license and note material changes.
last release 2026-08-10 (4 days) · last repo commit 2026-08-10 · 454 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 3,981,889 downloads/mo, #2,413 on PyPI
Alternatives
Verify before relying
pip install pystac-ext-xarray-assets
from pystac_ext_xarray_assets import XarrayAssetsExtension
from pystac import Item
item = Item.from_dict({...})
XarrayAssetsExtension.add_to(item)- Whether this extension is required for your STAC workflow or if base PySTAC covers your use case
- Compatibility guarantees with specific versions of xarray beyond what the extension metadata specifies
What it is and what it does
This package is a PySTAC extension that implements the Xarray Assets Extension specification (v1.0.0). It adds standardized fields to STAC items and assets for describing how they can be opened with xarray, including storage options, open parameters, and engine configuration. This is useful when working with raster imagery and multidimensional data in STAC catalogs.
The extension sits on top of PySTAC and pystac-core, providing a thin API layer to attach and work with xarray-specific metadata. It's designed for developers building STAC workflows that need to document how datasets should be loaded into xarray, particularly in scientific and geospatial contexts where standardized asset descriptions matter.
Use it for
- Document xarray storage options and engine settings in STAC items for reproducible data loading
- Build STAC catalogs for raster imagery with standardized xarray asset metadata
- Enable downstream tools to automatically configure xarray when opening STAC assets
- Extend STAC workflows with xarray-specific parameters for cloud-optimized or remote datasets
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building or working with STAC catalogs that include raster or multidimensional data and need to standardize how those assets are opened with xarray.
The package is actively maintained, has no known vulnerabilities, and carries a permissive license. Install it only if your workflow requires the Xarray Assets Extension; if you're using base PySTAC without xarray asset metadata, it's not necessary.
Install
pystac-ext-xarray-assets on PyPI
Before you install
Low install friction with a single pure-Python dependency (pystac-core). Active maintenance with a recent release (4 days old) and steady repository activity.
Requires Python 3.10 or later; pystac-core must be installed as a runtime dependency.
License in practice
Apache-2.0 permissive license allows use in commercial and proprietary projects with minimal restrictions; you must include a copy of the license and note material changes.
Quickstart
pip install pystac-ext-xarray-assets
from pystac_ext_xarray_assets import XarrayAssetsExtension
from pystac import Item
item = Item.from_dict({...})
XarrayAssetsExtension.add_to(item)Verify before relying
- Whether this extension is required for your STAC workflow or if base PySTAC covers your use case
- Compatibility guarantees with specific versions of xarray beyond what the extension metadata specifies
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagepystac-core |
| Maintenance | Actively maintained 4 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 3,981,889 / month, #2,413 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseNatural Language :: EnglishProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13 |
Evidence: pystac_ext_xarray_assets-1.0.1-py3-none-any.whl
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See also pystac-ext-file · pystac-ext-item-assets · pystac-ext-storage · pystac-ext-render · pystac-ext-datacube · pystac-ext-view · pystac-ext-scientific · pystac-ext-table · pystac-ext-raster · odc-stac