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polars

reference corpus · status live · domain DB (Databases and storage engines) · lane A · refresh pinned · tags GLOBAL · RUST · DATAFRAME · QUERY-ENGINE · COLUMNAR · ARROW

What an agent uses it for

DB

Use it
curl -fsSLO https://raw.githubusercontent.com/xerj-org/xerj/corpus-hub/tools/xerj-code/hub/polars.json
xerj corpus add --from ./polars.json
xerj corpus index polars then xerj code polars "your question"

Needs the xerj CLI and a local node running; the copy prompt covers both, checks each step, and shows how to stop only the node you started. No shell: the MCP tool xerj_code_search with corpus: "polars", once the corpus is indexed on the node.

Sources and pins

sourcepinlicencesizereview note
polars 099c28632d62MIT 30.0 MB / 3,494 files Read full 20-line LICENSE: standard MIT grant; the NVIDIA 'All rights reserved' line is only a 2nd copyright notice (Ritchie Vink + NVIDIA for some portions) - preserve BOTH copyright lines when adapting. Worktree verified 29MB.

30.0 MB across 3,494 files. Added 2026-10-13.

Rights

MIT. Redistribution permitted with attribution per the licence review. The review block records a human opening each licence file at the pin. Detector output is a hint, never the verdict.

Retrieval spot-check (G7)

Not yet spot-checked. Queries are pre-registered in the registry before grading.