Google opens Android Studio to third-party coding agents, adds agent CLI tools and on-device Gemini Nano 4 APIs at Android Dev Summit

At Android Dev Summit, Google released Android Studio Rabbit 2 with a "Bring Your Own Agent" feature built on the Agent Client Protocol. Per the coverage, more than 40 outside coding agents, including Claude Agent, Codex and Google's own Antigravity, can run inside the IDE with access to its tools. Google also made its Android CLI an official plugin for Claude Code, Codex and Antigravity, and added over 30 Android Skills, Android Bench 2.0 and a Change Review verification tool. New APIs include an alpha Agentic API in ML Kit using Gemini Nano 4, AppFunctions in beta and alpha A2UI for Jetpack Compose. The Jetpack XR SDK moved to stable, and XREAL AURA wired glasses were announced at $1,099, shipping mid-November in the US, Canada and South Korea.

Android developers can now use the coding agent they already pay for inside Google's main mobile IDE, rather than being steered to Gemini. That cuts switching costs and gives Anthropic and OpenAI tooling a distribution channel in a large developer ecosystem. Teams can try it now, but the newer APIs are alpha or beta, so they are not safe to build production features on yet. The AppFunctions and Connected Apps work hints at apps being driven by agents and Gemini, but the coverage gives no adoption data to show developers will build for it.

The "77% faster on UI tasks" and "up to 3x fewer tokens" figures come only from Google's internal tests, with no method or baseline given, so treat them as marketing. "More than 40 agents" is a count of ACP-compatible tools, not evidence that 40 work well in Android Studio. The XR glasses are a minor side story here, and the article links to no primary Google documentation.

1. 01Independent developer reports or benchmarks on third-party agents in Rabbit 2, including whether Claude and Codex get the same IDE tool access as Gemini and Antigravity, over the next 4 to 8 weeks.
2. 02Whether the alpha and beta APIs (ML Kit Agentic API, AppFunctions, A2UI) reach stable and how many major apps ship with them, plus any Gemini Nano 4 device support list.
3. 03Statements from Anthropic and OpenAI on Android integration and usage, and whether other IDE vendors adopt the Agent Client Protocol, which would show it is becoming a real standard.