Trailmark, a library that parses source code into a queryable call graph of functions, classes, call relationships, and semantic metadata, then exposes that graph through a Python API that Claude skills can call directly
https://blog.trailofbits.com/2026/04/23/trailmark-turns-code-into-graphs/
https://blog.trailofbits.com/2026/04/23/trailmark-turns-code-into-graphs/