JetWhaleExtensible debugging for Kotlin & Compose apps

A next-generation debugging platform inspired by Flipper — built with Kotlin and Jetpack Compose.

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Powerful Debugging Platform

A modern debugging experience powered by Kotlin and Jetpack Compose, with multiple simultaneous debug sessions and runtime-loadable JAR plugins.

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DSL-based APIs let you set up JetWhale in your app in minutes. ADB auto port mapping wires up Android devices automatically.

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kotlinx.serialization powers type-safe messaging between the debugger and your app.

✅

Debug Android, Desktop (JVM), iOS (Simulator & physical devices), and Web (JS / WasmJS) apps.

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A built-in MCP server lets AI agents interact with your app — screenshot, click, type, scroll, drag, and accessibility-tree inspection.

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Build your own plugins in your own repository and develop them against a real host with hot reload — no restarts.