PyPI agents

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

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

LangCore hybrid provider — combines deterministic rule/regex extraction with LLM fallback for cost savings

LangCore provider plugin for LiteLLM

RAG query parsing plugin — parse natural language queries into semantic terms and structured filters using LLMs

LangEvals Haystack evaluator

LangEvals OpenAI moderation evaluator for LLM outputs.

LangEvals Ragas evaluator

LangExtract provider plugin for Anthropic Claude

LangExtract provider plugin for Azure OpenAI

LangExtract provider plugin for AWS Bedrock

Anthropic Claude provider plugin for LangExtract

LangExtract provider plugin for LiteLLM

LangExtract provider plugin for llama.cpp

OpenAI and Azure OpenAI provider plugin for LangExtract

LangExtract provider plugin for VLLM

Governance components for Langflow — policy enforcement, trust routing, audit logging, and compliance checking for visual AI flows

Agent for interacting with Langfuse Observability API

Langfuse integration for Haystack

Custom DSPy LM class for token usage tracking with Langfuse

A client library for accessing langfuse

Langfuse trace analysis agent with built-in web console

langfuse-pydantic-ai

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

LangGraph BaseCheckpointSaver implementation backed by TypeDB 3.x

CLI for interacting with LangGraph API

LangGraph implementation of CodeAct agent that generates and executes code instead of tool calling.

Generate runnable LangGraph code from a concise graph notation

Package for comparing and monitoring performance of LangGraph architectures.

Intelligent follow-up question generation for LangGraph agents

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

Cross-chain node communication framework for LangGraph - Enable direct node-to-node communication across multiple LangGraph chains

An implementation of a computer use agent (CUA) using LangGraph

Huya AIOps Agent SDK