Langchain agents

LangChain VectorStore for VolcEngine RDS for MySQL native vector indexing (HNSW)

An integration package connecting VoyageAI and LangChain

LangChain integration for the Web2Agent Protocol — turn any W2A-enabled website into LangChain tools

LangChain tools for waveStreamer — What AI Thinks in the Era of AI. Get waveStreamer into every LangChain-based agent.

An integration package connecting Weaviate and LangChain

A widget to run in Jupyter Notebook.

Wipro AI integration for LangChain

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

LangChain Document Loader for WTM API — convert any webpage to Markdown

WZRD velocity-aware model selection, inference, and earn-loop tooling for LangChain.

x402 payment protocol integration for LangChain - enable AI agents to pay for APIs with USDC

LangChain tool for x402 service discovery — find any x402-payable API endpoint at runtime

LangChain toolkit for 2,400+ x402 pay-per-call APIs — discover, call, and manage with no wallet setup

LangChain integration for Xache Protocol - verifiable AI agent memory

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

An integration package connecting Xinference and LangChain

LangChain integration with xParse Parse API for intelligent document parsing

An integration package connecting YDB and LangChain

An integration package connecting You.com and LangChain

YouTube loader for LangChain using yt-dlp

An integration package connecting YugabyteDB and LangChain

LangChain integration for the Yutori API — Navigator browser control, browser automation, web research, and monitoring

A LangChain integration tool that provides reliable web scraping capabilities at any scale using ZenRows' Universal Scraper API

ZeroDB vector store for LangChain - AI-native vector database with free embeddings, semantic search, and RAG support. Pinecone alternative.

An integration package connecting ZeusDB and LangChain.

LangChain interface for Zhipu AI

Implementation of LangChain for ZhipuAI(Just for coding exercise)

A retriever for the langchain framework, connecting to the zotero API. Utilizes pyzotero.

ZeroTrustedAI library

LangChain integration for Zunno LLM and Embeddings

Building applications with LLMs through composability

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

A unified wrapper for various LLM providers using LangChain.

Building applications with LLMs through composability

Best of 4 worlds [LangChain, LiteLLM, Instructor, Rich] in 1 helper + 1 client with easy debugging.

langchain for hyperclovax written by xeexu

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The LangChain Hub API client

LangChainKit makes it easier to work with Qwen3 models via vLLM, and simplifies the process of prompting LLMs to return structured outputs using LangChain and Langfuse.

Building applications with LLMs through composability

Building applications with LLMs through composability

Client library to connect to the LangSmith LLM Tracing and Evaluation Platform.

Reusable prompt viewer module

A client library for accessing langfuse

Building stateful, multi-actor applications with LLMs

LangGraph A2A server framework with GenericAgentExecutor and pluggable agents

LangGraph to Google A2A Protocol Adapter

A2A Protocol Client Tool for LangGraph

A2A Server implementation for LangGraph agents

Full toolkit for running an AI agent service built with LangGraph, FastAPI and Streamlit

AgentFlow is a Python library that automates the orchestration of multi-step agent workflows by integrating intelligent planning, routing, and execution of specialized operations.

Building stateful, multi-actor applications with LLMs

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

Azure SQL Database checkpoint saver for LangGraph applications

Build LangGraph agents with large numbers of tools

A web browser agent built with LangGraph

Bridge between Celery workers and LangGraph agents

Evaluation framework for LangGraph chatbots on multi-turn conversations

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.

A LangChain checkpointer implementation that uses Bedrock Session Management Service and ElastiCache Valkey to enable stateful and resumable LangGraph agents.

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

Datstore Saver for LangGraph Checkpoints

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 checkpoint saver for SAP HANA Cloud

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.

Neo4j checkpointer for LangGraph — drop-in replacement for the Postgres checkpointer, backed by Neo4j

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

Library with an Oracle Database 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.

Redis implementation of the LangGraph agent checkpoint saver and store.

A Python library for LangGraph checkpoint storage using S3

Snowflake checkpoint saver implementation for LangGraph

Library with a SQLite implementation of LangGraph checkpoint saver.

A SurrealDB Checkpointer for Langgraph with both synchronous and asynchronous support.

Library with a Tablestore implementation of LangGraph checkpoint saver.

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