serde-json-fmt is used at run time in 7 crates. It is a direct run-time dependency in 4 crates.

Depender (with downloads and own rev deps) serde-json-fmt version
490 xcstringsdocx ^0.1.0
250 1 clust 0.1.*
170 1 langdb_clust 0.1.*
polymarket-rs-client ^0.1.0