[wenc]

If you vector index your code base, agents can explore it without loading it into context. This is what Cursor and Roo and Kiro and probably others do. Claude Code uses string searches.

What helps is also getting it to generate a docs of your code so that it has map.

This is actually how humans understand a large code base too. We don’t hold a large code base in memory — we navigate it through docs and sampling bits of code.