The Vision Tool

The visionTool() plugin should already listed among your Studio's plugins in sanity.config.ts

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plugins: [
  // ... all your other plugins
  visionTool()
],

Now, you have a playground prepared to run queries against the current dataset.

Vision uses your logged-in credentials in the Studio to perform authenticated requests.

Commonly your front end client makes unauthenticated requests of a public dataset to return publicly queryable documents.

This explains why you may see private documents—like drafts—in Vision and not in your front end.

Let's GROQ.