Individual skill

appfunctions

Analyzes Android apps to find user workflows to expose as AppFunctions, such as creating a note, playing media, or sending a message. AI agents, voice commands, and system shortcuts then run them without opening the app UI. Generates Kotlin code with the androidx.appfunctions library, and refines KDoc and the app description so that agents choose and call functions correctly. Use this skill when discovering, implementing, documenting, testing, or upgrading AppFunctions in an Android app, including @AppFunctionDeclaration, @AppFunctionSerializable, @AppFunctionServiceEntryPoint, AppFunctionService, app_metadata.xml, appfn:instructions, adb shell cmd app_function, and legacy @AppFunction or AppFunctionConfiguration.Provider code. Don't use for building agents that call AppFunctions or for remote MCP servers.

device-ai/appfunctions/SKILL.md

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Last checked: Nov 3, 2026

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Repository stars (not skill ratings): 10,401
Repository last updated: Nov 5, 2026
License: Apache-2.0

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skills Repository topic
design Derived category
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design-interface Derived category

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SKILL.mdcore · 5,715 bytes
references/adb-interaction-testing.mddoc · 3,830 bytes
references/context.mddoc · 1,614 bytes
references/feature-discovery-analysis.mddoc · 3,297 bytes
references/implementation-configuration.mddoc · 13,559 bytes
references/kdoc-refinement-optimization.mddoc · 4,790 bytes
references/migrate-to-service-entry-point.mddoc · 11,874 bytes

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Analyzes Android apps to identify key user workflows to expose as AppFunctions,
such as creating a note, playing media, or sending a message, for AI agents,
voice commands, and system shortcuts to run without opening the app UI.

Generates Kotlin code to expose these workflows to the Android system,
allowing agents to discover and execute them on-device.

Also refines KDoc documentation and the app description so AI agents correctly
understand and use the provided functionality.

## Prerequisites

The app must **`targetSdk 36`** or newer and use **`compileSdk 37`** or newer as
AppFunctions, part of the Android platform API, are available from Android 16