Point-in-time comparison of vex 1.5.0 vs ast-index 3.27.0 on a mixed-language
repo (Python/Kotlin/TS/JS, ~553 files, ~15-17k symbols). Documents:
- Indexing time, footprint, query latency for both tools
- Quality differences on real queries (usages, callers, symbol, semantic)
- Notable findings: ast-index's Python call graph was empty for this repo,
vex's implementations misses generic-parameterized subclasses, vex usages
catches comments/docstrings (text-flavored), ast-index uniquely has
'changed --base <branch>' with no vex equivalent
- Re-run instructions for validating on a different repo or newer versions
Linked from claude-code-tools.md at the end of the vex section so readers
encounter the comparison right after learning about vex. Not surfaced as a
top-level README entry since it's narrower than the other root-level guides.
