css-tree
reference corpus · status live · domain WEB (Web and frontend platform) · lane A · refresh pinned · tags GLOBAL · CSS-TREE · CSS · PARSER · AST · SELECTORS
What an agent uses it for
An agent parsing/validating CSS queries this for csstree's fast CSS tokenizer, AST, selector parsing and value-syntax matching.
curl -fsSLO https://raw.githubusercontent.com/xerj-org/xerj/corpus-hub/tools/xerj-code/hub/css-tree.jsonxerj corpus add --from ./css-tree.jsonxerj corpus index css-tree then xerj code css-tree "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: "css-tree", once the corpus is indexed on the node.
Sources and pins
| source | pin | licence | size | review note |
|---|---|---|---|---|
| csstree | f8980154f791 | MIT | 2.0 MB / 331 files | licence host-verified (ok-spdx): MIT |
2.0 MB across 331 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.