UpgradeScope

Paste a changelog, get a verdict: will this dependency upgrade actually break your code?

Settings

Anthropic API key (optional — adds an AI migration brief on top of the local analysis)

1 · Your dependencies package.json or requirements.txt

2 · Changelog / release notes of the package you're upgrading

Target package · new version

3 · Your code sample the file(s) that use this package

All three boxes autosave to localStorage.