Installation

LangChain-Dev-Utils can be installed with a variety of package managers. Pick the one that best fits your workflow.

Package managers

Using pip

pip install -U langchain-dev-utils

Using poetry

poetry add langchain-dev-utils

Using uv

uv add langchain-dev-utils

System requirements

• Python 3.11 or higher

Dependencies

The package automatically installs the following dependencies:

• langchain
• langgraph

Verification

After installation, verify that the package is correctly installed:

import langchain_dev_utils
print(langchain_dev_utils.__version__)

Development install

If you want to contribute to the project or run the tests:

git clone https://github.com/TBice123123/langchain-dev-utils.git
cd langchain-dev-utils
uv sync --group test
uv run pytest .

Next steps

Once installed, you can move on to:

• Model Management – learn how to register and load models
• Message Processing – explore message utilities
• Tool Enhancement – add human review to tools