LangGraph Checkpoint Firestore

This project provides an implementation of a checkpoint saver for LangGraph using Google Firestore.

Features

• Save and retrieve langgraph checkpoints in Google Firestore.
• Supports sync and async versions

Installation

To install the package, ensure you have Python 3.9 or higher, and run:

pip install langgraph-checkpoint-firestore

Usage

Setting Up FirestoreSaver

To use the FirestoreSaver, you need to provide google default application authenmtication via environment

Example

python
from langgraph_checkpoint_firestore import FirestoreSaver

Initialize the saver

Collections - write and checkpoint - are created if it does not exists

#memory = FirestoreSaver(project_id=<project_id>, checkpoints_collection='langchain', writes_collection='langchain_writes')

with FirestoreSaver.from_conn_info(project_id=<project_id>, checkpoints_collection='langchain', writes_collection='langchain_writes') as memory:

Limitations

List function does not support filters. You can only pass config on thread id to get the list.

print(list(memory.list(config=config)))

License

This project is licensed under the MIT License.