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An integration package connecting Weaviate and LangChain

A widget to run in Jupyter Notebook.

An integration package connecting Writer and LangChain (includes deprecated features such as PDFParser and WriterTextSplitter)

An integration package connecting xAI and LangChain

LangChain integration for Xbaza Belarus Job Market API

在LangChain中流畅地使用讯飞星火大模型

langchain extension python package

LangChain integration with xParse Parse API for intelligent document parsing

An integration package connecting You.com and LangChain

YouTube loader for LangChain using yt-dlp

An integration package connecting YugabyteDB and LangChain

An integration package connecting ZeusDB and LangChain.

LangChain interface for Zhipu AI

ZeroTrustedAI library

将阿里云灵积模型（通义千问等）集成到LangChain

LangChain Sandbox

将智谱AI集成到LangChain

langchain for hyperclovax written by xeexu

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The LangChain Hub API client

Reusable prompt viewer module

DSPy-powered prompt optimization plugin for LangCore — auto-optimize extraction prompts with MIPROv2 and GEPA

LangEvals Haystack evaluator

LangExtract provider plugin for AWS Bedrock

LangExtract provider plugin for llama.cpp

OpenAI and Azure OpenAI provider plugin for LangExtract

Langfuse integration for Haystack

A client library for accessing langfuse

langfuse-pydantic-ai

A2A Protocol Client Tool for LangGraph

Python SDK for LangGraph Approval Hub — human-in-the-loop approval workflows

Library with base interfaces for LangGraph checkpoint savers.

Aerospike-based checkpoint saver for LangGraph

Library with a single-table DynamoDB implementation of LangGraph checkpoint saver.

LangGraph checkpointer for Cassandra

LangGraph Checkpoint implementation for Cloudflare D1

Conformance test suite for LangGraph checkpointer implementations.

LangGraph checkpoint saver for Azure Cosmos DB

Azure CosmosDB checkpoint saver implementation for LangGraph

LangGraph checkpoint implementation for Django

Library with a DuckDB implementation of LangGraph checkpoint saver.

DynamoDB Saver for LangGraph Checkpoints

Google Firestore checkpoint saver implementation for LangGraph

Greenplum/MPP-optimized checkpoint saver for LangGraph (uses CTE-based list queries).

LangGraph checkpointer using LMDB

Library with a MongoDB implementation of LangGraph checkpoint saver.

Library with a MSSQL implementation of LangGraph checkpoint saver.

Library with a MySQL implementation of LangGraph checkpoint saver.

Library with a OceanBase MySQL Mode implementation of LangGraph checkpoint saver.

Library with a Postgres implementation of LangGraph checkpoint saver.

LangGraph checkpointer implementation using pg8000 for PostgreSQL. Compatible with Google Cloud SQL Connector.

Snowflake checkpoint saver implementation for LangGraph

Library with a SQLite implementation of LangGraph checkpoint saver.

Library with a Tablestore implementation of LangGraph checkpoint saver.

Time-series and event-streaming checkpointers for LangGraph using TimescaleDB, QuestDB, and Kafka

CLI for interacting with LangGraph API

Package for comparing and monitoring performance of LangGraph architectures.

State-of-the-art Azure Cosmos DB checkpointer for LangGraph

LangGraph Distributed Runtime utilities shared by langgraph-executor and langgraph-runtime-integration.

DynamoDB checkpoint saver implementation for LangGraph - Single table, auto create with delete handling

Opinionated event-driven abstraction for LangGraph. State IS events.

LangGraph python RPC server executable by the langgraph-go orchestrator.

A FastAPI LangGraph-compatible server backed by GaussDB.

A group chat implementation using LangGraph

Node-level streaming for LangGraph graphs

Library with an OpenSearch implementation of LangGraph checkpoint saver.

LangGraph BaseStore implementation backed by OpenSearch with Pydantic configuration.

LangGraph integration for PlainID authorization

Utilities for Langchain and langgraph

Firestore runtime implementation for LangGraph.

Inmem implementation for the LangGraph API server.

Open-source alternative to langgraph-runtime-inmem

Langgraph S3 Checkpoint Persistant Memory

SDK for interacting with LangGraph API

SDK for interacting with LangGraph API

Aerospike-based store base for LangGraph

MongoDB implementation of the LangGraph long-term memory store.

Renamed to langstage-core. This is a thin compatibility shim that re-exports langstage-core under the old import name.

LangGraph Notebook Foundry scaffolding

A small package for langgraph trace

Utilities for Langchain and langgraph

Simple package to connect LangGraph applications to Slack

KurrentDB checkpoint implementation for LangGraph

Openai Compatible Langgraph Server

LaunchDarkly AI SDK Bedrock Provider (placeholder — full release coming soon)

LaunchDarkly AI SDK LangChain Provider

LaunchDarkly AI SDK OpenAI Provider

A tool to manage git repositories using GPT-4.

Simple plugin to produce Gemini capsules with lektor.

Библиотека для запуска графического интерфейса с нейросетью GPT4All

LibreOffice integration for Haystack

Wrapper library for openai to send events to Libretto

Python bindings for libvsgpt