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LangChain plugin for LiveKit Agents

This plugin integrates capabilites from LangChain within LiveKit Agents

Installation

pip install livekit-plugins-langchain

Usage

Using LangGraph workflows

You can bring over any existing workflow in LangGraph as an Agents LLM with langchain.LLMAdapter. For example:

from langgraph.graph import StateGraph
from livekit.agents import Agent, AgentSession, JobContext
from livekit.plugins import langchain

...

def entrypoint(ctx: JobContext):
    graph = StateGraph(...).compile()

    session = AgentSession(
        vad=...,
        stt=...,
        tts=...,
    )

    await session.start(
        agent=Agent(llm=langchain.LLMAdapter(graph)),
    )
    ...

Metadata

Release files for livekit-plugins-langchain 1.8.0

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Source distribution (sdist)

Source distribution for livekit-plugins-langchain 1.8.0
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livekit_plugins_langchain-1.8.0.tar.gz 5.6 kB Details

Built distribution (wheel)

Table of built distributions (wheels) for livekit-plugins-langchain 1.8.0
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livekit_plugins_langchain-1.8.0-py3-none-any.whl Python 3 none any Details

Total release size: 11.5 kB

Release files / livekit_plugins_langchain-1.8.0.tar.gz

Download URL livekit_plugins_langchain-1.8.0.tar.gz
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Signed by GitHub Actions, verified by PyPI on Sep 5, 2026.

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