scarb-metadata is used at run time in 5 crates (of which 1 optionally).

Depender (with downloads and own rev deps) scarb-metadata version
8.4K 1 scarb-ui ^1
4.5K 1 cairo-native optional ^1.12.0
950 cairo-language-server ^1.14.0
700 cairo-lang-language-server ^1.13
scarb ^1.4.0