Add livekit-plugins-google-adk for Google ADK integration#4872
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Add livekit-plugins-google-adk for Google ADK integration#4872
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Wraps Google Agent Development Kit (ADK) agents as LiveKit LLM plugins, enabling ADK-based agents to be used in LiveKit voice pipelines. ADK handles tool calling and multi-agent orchestration internally while LiveKit manages voice orchestration (turns, interruptions, STT/TTS). - LLMAdapter wraps any ADK BaseAgent/LlmAgent as a LiveKit llm.LLM - ADKStream implements LLMStream delegating to ADK Runner - Session caching across conversation turns - Fix: use ChatContext.items instead of non-existent .messages() method - 39 unit tests covering all edge cases and error paths - E2E test script for manual verification with real Gemini API - Example voice agent demonstrating the integration Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- Fall back to developer/system message when no user message exists in chat context (fixes generate_reply(instructions=...) crash) - Use gemini-2.0-flash in example for broader API key compatibility Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add has_emitted_partials flag to skip emitting final response text when partial streaming events have already been sent, preventing duplicate output. Usage metadata is still emitted regardless. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Format tests/e2e_google_adk.py with ruff - Add py.typed marker for mypy package discovery - Add type: ignore for untyped InMemorySessionService call Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
davidzhao
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Feb 17, 2026
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davidzhao
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some minor comments. I would just keep this as part of the Google plugin, rather than creating a new one for ADK.. it could just be:
livekit.plugins.google.adk.LLMAdapter
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| async def collect_text_chunks(stream) -> list[str]: |
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could you add this to the list in makefile: make unit-tests?
| self, | ||
| agent: LlmAgent | BaseAgent, | ||
| *, | ||
| runner: Runner | None = None, |
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nit: slight preference for NotGivenOr[Runner] = NOT_GIVEN as a pattern, to allow future use to distinguish between "not set" vs "do not use"
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Summary
livekit-plugins-google-adkplugin that wraps Google ADK agents as LiveKit LLM pluginsLLMAdapterwraps any ADKBaseAgent/LlmAgentso it can be used in LiveKit voice pipelines — ADK handles tool calling and multi-agent orchestration internally, LiveKit manages voice orchestration (turns, interruptions, STT/TTS)ChatContext.messages()(non-existent) — now correctly usesChatContext.itemswithChatMessagefilteringtests/e2e_google_adk.py) for manual verification against real Gemini APIexamples/voice_agents/google_adk_agent.py)Test plan
uv run pytest tests/test_google_adk.py -v)🤖 Generated with Claude Code