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Grok Build can work with Revyl’s cloud runtimes once you add Revyl as a custom connector. That one connection gives Grok iOS and Android devices as well as macOS and Linux sandboxes, all aggregated in Revyl’s runtime ontology layer, with horizontally scaled Mac infrastructure behind them. The results don’t come back as walls of text: the Atlas map and live devices open right inside the chat.

Add Revyl as a custom connector

Go to grok.com/connectors, click New Connector, and choose Custom. Enter Revyl’s MCP server URL, then sign in to Revyl and pick the organization Grok should use when it asks.

https://backend.revyl.ai/api/v1/mcp

Revyl then shows up under Plugins in the Grok sidebar, and any chat can call it.

The Grok app with Revyl listed under Plugins in the sidebar and the Uber Rides Atlas map embedded in a chat answer.
Revyl sits under Plugins in the sidebar once the connector is added.

Open your app’s Atlas map

The Atlas map is the easiest way to digest everything those runtimes capture. Ask “Use Revyl to open the Uber Rides Atlas map.” Grok finds the app and embeds its map in the answer, with Atlas and Sessions tabs, an Open in Revyl link, and the same Find issues, Explore flows, and Compare with Figma actions you get in Revyl.

The Uber Rides Atlas map embedded in a Grok answer, with Atlas and Sessions tabs, an Open in Revyl link, and Find issues, Explore flows, and Compare with Figma actions.
The whole map of captured screens, embedded in Grok's answer.

Spin up a live device

Ask “Use Revyl to spin up a real device session of the Uber Rides app so I can test it manually.” Grok starts a cloud iOS device with the app installed, gives you the session ID, and embeds the live screen in the Sessions tab.

A live Revyl iOS device session embedded in Grok, showing the Rides app's Welcome back sign-in screen.
The session opens on the app's sign-in screen, ready to test.

Test by hand or with an agent

The embed is the device itself, so you can click through the app right there, or keep asking Grok to work with the same session. The bar above the screen has Stop, plus controls to go home, shake the device, take a screenshot, set a location, rotate, and open a deep link.

Grok with a live Revyl iOS device on its home screen after the home control was pressed.
Press home and the cloud iPhone goes to its home screen, just like a phone in your hand.

Try it on your app

  1. Add Revyl as a custom connector in Grok with https://backend.revyl.ai/api/v1/mcp, and sign in.
  2. Ask Grok to open your app’s Atlas map, then start from Find issues, Explore flows, or Compare with Figma.
  3. Ask for a live device when you want to test a build, and press Stop when you’re done.

Device sessions use your organization’s device time, so stop each one when you finish. To use Revyl from Cursor, Claude Code, Codex, or the CLI instead, see the MCP setup guide.

Questions

How do I connect Grok to Revyl?

Add Revyl as a custom connector in Grok with the MCP server URL https://backend.revyl.ai/api/v1/mcp, then sign in to Revyl and choose your organization. Revyl then appears under Plugins in the Grok sidebar.

Which Revyl runtimes can Grok use?

All of Revyl's cloud runtimes: iOS and Android devices, plus macOS and Linux sandboxes. They are aggregated in Revyl's runtime ontology layer and run on horizontally scaled Mac infrastructure.

Does a device session started from Grok use device time?

Yes. A session Grok starts uses your organization's device time, the same as one started from the Revyl dashboard or CLI, so stop it from the embed when you are done.

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