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vercel doctor diagnoses CLI and project setup

Introduced 2026-10-31 · score 0.91

HOW TO USE IT

When diagnosing Vercel CLI or project setup problems, run `vercel doctor`; it checks the CLI setup and reports commands to fix detected problems.

vercel doctor --json
vercel doctor --json | jq -r '.checks[] | select(.status == "failed") | .id'

WHY THIS HELPS

Diagnose CLI, login, team, project-link, configuration, or service-status problems while developing in a repository.

REQUIREMENTS AND LIMITATIONS

  • Version: 65.9.0
  • Non-interactive: The command never prompts, logs in, or links a project. Checks requiring login or a linked project are skipped with a reason. Exit code is 0 when checks run, even if some fail.
  • --json: Print results as JSON, including check IDs, statuses, messages, fixes, and status counts.
  • Checks include the CLI version and install, login, team, project link, `vercel.json`, and Vercel status.

FIRST-PARTY EVIDENCE

Check the installed version and the source before using it. Entry JSON

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