Yes
I find Claude Code in particular is great at grokking old code bases and making changes to it
loandbehold on Hacker News
productivity increased 10x
In the thread “Has the cost of building software dropped 90%?”, replying to this comment
Helped: Researching large code bases and making careful surgical changes.
Most of software work is maintaining "legacy" code, that is older systems that have been around for a long time and get a lot of use. I find Claude Code in particular is great at grokking old code bases and making changes to it. I work on one of those old code bases and my productivity increased 10x mostly due to Claude Code's ability to research large code bases, make sense of it, answer questions and making careful surgical changes to it. …