Install Doctor

Find the first broken install boundary.

Three choices produce one evidence plan. Nothing leaves your browser.

Describe the failing environment.

Operating system

Windows macOS or Linux

Install path

Official npmregistry.npmjs.org Mirror or proxyEnterprise or regional registry Source checkoutpnpm workspace build

First observable failure

Choose the earliest failure, not the last aggregate error.

Registry metadataWindows / official npm

Compare configured and official metadata before changing shared cache state.

CollectRegistry URL, exact missing range, and both version lists.

SuccessA fresh isolated cache prints 0.1.0-rc.8.

Evidence commands

Before sharingRedact registry credentials, usernames, private paths, tokens, and internal hostnames.

It generates commands locally and does not execute, upload, or store their output. Review every command before running it.

Version evidenceRegistry identityArtifact presenceExit status