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Ceraph documentation

Ceraph is an MCP server for end-to-end testing React Native apps. It lets your coding agent drive and test your app on a real iOS device or the iOS Simulator. Start here.

Get started

Install the MCP with ceraph init, bring your app up with ceraph start, and what you need on your machine first.

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Troubleshooting

Fixes for the errors you hit during bring-up — a locked device, WebDriverAgent not reachable, and Metro not running.

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Looking for the full tool reference? The npm README documents every MCP tool, environment variable, and the camera / hooks setup: @ceraph/react-native-mcp on npm.