Image: claude.com · How Anthropic runs large-scale code migrations with Claude Code
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How Anthropic runs large-scale code migrations with Claude Code
A look at using Claude Code to move big codebases between frameworks and versions.
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Credits
Earliest dated source:
The full story
Anthropic describes its six-step process for large code migrations with Claude Code, which used to take years, and releases an open-source starter kit. The headline example is Bun: co-founder Jarred Sumner migrated Bun from Zig to Rust, about a million lines of code, in under two weeks.
How it was done
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Sources
From the maker's own write-up or code. We summarise what they report; we haven't tested it ourselves.
- Hacker News: Anthropic runs large-scale code migrations with Claude Code
Anthropic's blog post with the process and starter kit.
- Hacker News discussion (36 points)HN submitter: vinhnxPosted
Hacker News discussion.