tc-chain-spec is used at run time in 22 crates (of which 2 optionally). It is a direct run-time dependency in 6 crates. It's used only as a dev dependency in 3 crates.

Depender (with downloads and own rev deps) tc-chain-spec version
1 tc-sync-state-rpc ^2.0.0
1 node-rpc ^2.0.0
1 tetcore-browser-utils ^2.0.0
2 node-cli ^2.0.0
15 tc-service ^2.0.0
chain-spec-builder ^2.0.0