Individual skill

polars-bio

Performs genomic interval overlap, nearest, merge, coverage, complement and subtraction on Polars DataFrames, and reads or writes BED, VCF, BCF, BAM, CRAM, GFF, GTF, FASTA and FASTQ data. Use for coordinate-aware genomic joins, read-depth analysis, lazy bioinformatics I/O, SQL queries or migration from bioframe.

skills/polars-bio/SKILL.md

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Nov 10, 2026

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Nov 9, 2026
License
MIT

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# polars-bio

Use this skill for genomic interval arithmetic and bioinformatics file I/O through
Polars and DataFusion. It targets **polars-bio 0.36.0**, tested with **Polars 1.44.2**
on Python 3.13. The upstream package requires Polars >=1.37.1, PyArrow >=23.0.1,<25,
DataFusion >=53,<54 and polars-config-meta >=0.3.2,<1. Keep this environment separate
from packages needing incompatible Arrow or DataFusion releases.

```bash
uv pip install "polars-bio==0.36.0" "polars==1.44.2"
# Optional pandas interoperability (requires pandas >=3):
uv pip install "polars-bio[pandas]==0.36.0" "polars==1.44.2"
```
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