langchain-protocol 0.0.9

Python bindings for the LangChain agent streaming protocol

langchain-protocol

Python bindings for the LangChain agent streaming protocol.

The canonical schema lives in ../protocol.cddl, and the definitions in langchain_protocol/protocol.py are generated from that schema.

Installation

pip install langchain-protocol

Usage

from langchain_protocol import Command, SessionOpenParams

params: SessionOpenParams = {
    "protocol_version": "0.3.0",
}

open_command: Command = {
    "id": 1,
    "method": "session.open",
    "params": params,
}

What this package includes

• TypedDict definitions for commands, events, results, and payload shapes
• Literal and union aliases for protocol enums and tagged unions

This package does not include a runtime client, transport, or helper APIs. It is intended as a source of generated typing primitives only.