zizkadb-langchain

LangChain AsyncCallbackHandler that logs LLM and tool steps to ZizkaDB with parent_id lineage.

pip install zizkadb-sdk zizkadb-langchain langchain-openai

from langchain_openai import ChatOpenAI
from langchain_core.messages import HumanMessage
from zizkadb import ZizkaDB
from zizkadb_langchain import ZizkaDBCallbackHandler

async with ZizkaDB("zizkadb_live_...") as db:
    handler = ZizkaDBCallbackHandler(db, agent="my-bot")
    llm = ChatOpenAI(model="gpt-4o-mini")
    await llm.ainvoke([HumanMessage(content="Hello")], config={"callbacks": [handler]})
    (await db.why(handler.last_event_id)).print()

Monorepo dev install:

pip install -e sdk/python -e integrations/langchain