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Mini browser

View ▸ Mini browser.

A built-in web browser, opened like any other workbench tab. The point: watching your application react while you send your requests, without leaving Restorm or juggling two windows.

the mini browser open next to an HTTP request, in a split view

The toolbar

Section titled “The toolbar”

Back · Refresh · address bar (Enter to confirm) · Go.

The address is normalised for you:

What you typeWhat is loaded
exemple.comhttps://exemple.com
localhost:3000http://localhost:3000
127.0.0.1:8080http://127.0.0.1:8080
https://…As it is

The shortcut to http:// for local addresses spares you local development’s inevitable certificate error.

Things worth knowing

Section titled “Things worth knowing”
  • The tab is unique: there is only ever one.
  • Its URL is persisted with the project: reopening the project brings it back to the right page.
  • It survives tab moves: moving it into another group or maximising it does not reload the page, and loses neither the session nor the scroll position.
  • Pop-ups are blocked: a window.open from the guest page is ignored.

Uses

Section titled “Uses”
  • Seeing the effect of a POST on the interface that consumes it, side by side.
  • Opening the documentation of the API you are testing next to the request.
  • Going through a web authentication flow to fetch a token to paste into an environment.

Over MCP

Section titled “Over MCP”

Two tools, in the Pro edition: open_mini_browser (with an optional URL) and mini_browser_execute, which runs JavaScript in the guest page’s context. An agent can thus verify the visible effect of a request it has just sent. See MCP tools.