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LangChain

Username    langchain
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132 projects

langchain-quickjs

Last released

JavaScript REPL middleware for deepagents

langsmith

Last released

Client library to connect to the LangSmith Observability and Evaluation Platform.

managed-deepagents

Last released

Managed Deep Agents — the define_deep_agent authoring interface plus the CLI that compiles and deploys a code-first Deep Agent repository to a managed LangGraph runtime.

langgraph-api

Last released

None

langgraph-runtime-inmem

Last released

Inmem implementation for the LangGraph API server.

langchain-core

Last released

Building applications with LLMs through composability

langgraph-checkpoint-mongodb

Last released

Library with a MongoDB implementation of LangGraph checkpoint saver.

deepagents-code

Last released

Terminal coding agent built on the Deep Agents SDK - works with any model, with persistent memory, customizable skills, subagents, and approval controls.

langchain

Last released

Building applications with LLMs through composability

langchain-anthropic

Last released

Integration package connecting Claude (Anthropic) APIs and LangChain

langgraph-checkpoint-aws

Last released

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

langchain-aws

Last released

An integration package connecting AWS and LangChain

deepagents

Last released

Production-ready, extensible agent harness with a built-in filesystem and context management, sub-agent delegation, skills, and long-term memory.

langchain-google-genai

Last released

An integration package connecting Google's genai package and LangChain

langchain-litellm

Last released

An integration package connecting LiteLLM and LangChain

deepagents-talon

Last released

Local runtime host for long-running Deep Agents channels and schedules (experimental)

deepagents-acp

Last released

Agent Client Protocol integration for Deep Agents

langchain-fireworks

Last released

An integration package connecting Fireworks and LangChain

langgraph-sdk

Last released

SDK for interacting with LangGraph API

langchain-baseten

Last released

Integration package connecting Baseten and LangChain

langchain-protocol

Last released

Python bindings for the LangChain agent streaming protocol

langchain-mongodb-deepagents-vfs

Last released

MongoDB Atlas-backed virtual filesystem search adapter for LangChain DeepAgents

langchain-mongodb

Last released

An integration package connecting MongoDB and LangChain

deepagents-cli

Last released

DEPRECATED: Deployment tooling for Deep Agents. Use Managed Deep Agents (`uv tool install managed-deepagents`, `mda`) instead: https://docs.langchain.com/langsmith/python/managed-deep-agents-overview

langchain-azure-ai

Last released

An integration package to support Microsoft Foundry (formerly Azure AI) capabilities in LangChain/LangGraph ecosystem.

langchain-perplexity

Last released

An integration package connecting Perplexity and LangChain

langchain-openai

Last released

An integration package connecting OpenAI and LangChain

langchain-openrouter

Last released

An integration package connecting OpenRouter and LangChain

langchain-voyageai

Last released

An integration package connecting VoyageAI and LangChain

langgraph

Last released

Building stateful, multi-actor applications with LLMs

langchain-azure-storage

Last released

LangChain integrations for Azure Storage

langgraph-checkpoint

Last released

Library with base interfaces for LangGraph checkpoint savers.

deployments-wrap-sdk

Last released

SDK for wrapping third-party agent frameworks (Google ADK, etc.) for LangSmith deployment.

langchain-mcp-adapters

Last released

Make Anthropic Model Context Protocol (MCP) tools compatible with LangChain and LangGraph agents.

langgraph-checkpoint-sqlite

Last released

Library with a SQLite implementation of LangGraph checkpoint saver.

langchain-runloop

Last released

Runloop sandbox integration for Deep Agents

langchain-daytona

Last released

Daytona sandbox integration for Deep Agents

langchain-modal

Last released

Modal sandbox integration for Deep Agents

langchain-vercel-sandbox

Last released

Vercel Sandbox integration for Deep Agents

langchain-couchbase

Last released

An integration package connecting Couchbase and LangChain

quickjs-rs

Last released

Sandboxed JavaScript execution for Python, via wasmtime + rquickjs.

langchain-xai

Last released

An integration package connecting xAI and LangChain

langchain-milvus

Last released

An integration package connecting Milvus and LangChain

langgraph-cli

Last released

CLI for interacting with LangGraph API

langchain-meta

Last released

An integration package connecting Llama and LangChain

langchain-weaviate

Last released

An integration package connecting Weaviate and LangChain

langchain-mistralai

Last released

An integration package connecting Mistral and LangChain

langchain-nvidia-ai-endpoints

Last released

An integration package connecting NVIDIA AI Endpoints and LangChain

langchain-nvidia-openshell

Last released

NVIDIA OpenShell sandbox backend for LangChain Deep Agents

langchain-agentcore-codeinterpreter

Last released

Amazon Bedrock AgentCore Code Interpreter sandbox integration for Deep Agents

langchain-azure-dynamic-sessions

Last released

An integration package connecting Azure Container Apps dynamic sessions and LangChain

langchain-google-community

Last released

An integration package connecting miscellaneous Google's products and LangChain

langchain-model-profiles

Last released

CLI tool for updating model profile data in LangChain integration packages.

langchain-classic

Last released

Building applications with LLMs through composability

langchain-neo4j

Last released

An integration package connecting Neo4j and LangChain

langchain-groq

Last released

An integration package connecting Groq and LangChain

langchain-google-vertexai

Last released

An integration package connecting Google VertexAI and LangChain

langchain-deepseek

Last released

An integration package connecting DeepSeek and LangChain

langchain-ibm

Last released

An integration package connecting IBM watsonx.ai and LangChain

fleet-deepagents-export

Last released

Run Fleet-exported agents as standalone deepagents projects

langchain-cohere

Last released

An integration package connecting Cohere and LangChain

deepagents-evals

Last released

Evaluation utilities for deepagents (placeholder release).

langchain-tests

Last released

Standard tests for LangChain implementations

langgraph-prebuilt

Last released

Library with high-level APIs for creating and executing LangGraph agents and tools.

langchain-azure-cosmosdb

Last released

Azure CosmosDB integrations for LangChain and LangGraph, including vector store, cache, chat history, and checkpoint.

langchain-huggingface

Last released

An integration package connecting Hugging Face and LangChain.

langchain-text-splitters

Last released

LangChain text splitting utilities

openevals

Last released

Open-source evaluators for LLM applications

langchain-repl

Last released

LangChain REPL for deepagents

langchain-ollama

Last released

An integration package connecting Ollama and LangChain

langchain-snowflake

Last released

An integration package connecting Snowflake and LangChain

langchain-exa

Last released

An integration package connecting Exa and LangChain

langchain-azure-postgresql

Last released

LangChain VectorStore integrations for Azure Database for PostgreSQL

langchain-sqlserver

Last released

An integration package to support SQL Server in LangChain.

langchain-together

Last released

An integration package connecting Together AI and LangChain

langchain-upstage

Last released

An integration package connecting Upstage and LangChain

langchain-auth

Last released

LangChain Auth SDK for OAuth and tool authentication

langsmith-mcp-server

Last released

MCP server for Langsmith SDK integration

langchain-trigger-server

Last released

Generic event-driven triggers framework

langchain-postgres

Last released

An integration package connecting Postgres and LangChain

langsmith-tool-server

Last released

LangSmith Tool Server (Python)

langchain-unstructured

Last released

An integration package connecting Unstructured and LangChain

langchain-elasticsearch

Last released

An integration package connecting Elasticsearch and LangChain

langsmith-fetch

Last released

LangSmith Fetch - Minimal CLI for fetching LangSmith threads and traces

langchain-chroma

Last released

An integration package connecting Chroma and LangChain.

langgraph-swarm

Last released

An implementation of a multi-agent swarm using LangGraph

langchain-redis

Last released

An integration package connecting Redis and LangChain for AI working memory

langchain-cerebras

Last released

An integration package connecting Cerebras and LangChain

langchain-cli-v2

Last released

CLI for developing and deploying LangChain tool servers

langgraph-supervisor

Last released

An implementation of a supervisor multi-agent architecture using LangGraph

langchain-nomic

Last released

An integration package connecting Nomic and LangChain

langchain-pinecone

Last released

An integration package connecting Pinecone and LangChain

langchain-db2

Last released

An integration package connecting Db2 vector store and LangChain

langchain-astradb

Last released

An integration package connecting Astra DB and LangChain

langchain-qdrant

Last released

An integration package connecting Qdrant and LangChain

langchain-prompty

Last released

An integration package connecting Prompty and LangChain

langserve

Last released

None

langgraph-executor

Last released

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

langchain-tool-client

Last released

LangChain Tool Client SDK (Python)

agentevals

Last released

Open-source evaluators for LLM agents

mcpdoc

Last released

Server llms-txt documentation over MCP

langchain-legacy

Last released

Legacy package name reservation for langchain

langchain-ai21

Last released

An integration package connecting AI21 and LangChain

langgraph-bigtool

Last released

Build LangGraph agents with large numbers of tools

langchain-sandbox

Last released

LangChain Sandbox

langgraph-codeact

Last released

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

promptim

Last released

A framework for optimizing prompts through multi-task evaluation and iterative improvement

langgraph-cua

Last released

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

langgraph-gen

Last released

Genenerate code stubs for langgraph agents.

o2mcp

Last released

MCP Bridge

universal-tool-server

Last released

Universal Tool Server (Python)

universal-tool-client

Last released

Universal Tool Client SDK (Python)

langgraph-reflection

Last released

LangGraph agent that runs a reflection step

open-tool-server

Last released

Open Tool Server (Python)

open-tool-client

Last released

Open Tool Client SDK (Python)

langchain-deepseek-official

Last released

An integration package connecting DeepSeek and LangChain

langchain-box

Last released

An integration package connecting Box and LangChain

langgraph-checkpoint-duckdb

Last released

Library with a DuckDB implementation of LangGraph checkpoint saver.

langchain-databricks

Last released

An integration package connecting Databricks and LangChain

langchain-base-tests

Last released

Standard tests for LangChain implementations

langchain-robocorp

Last released

An integration package connecting Robocorp Action Server and LangChain

langchain-sema4

Last released

An integration package connecting Sema4 and LangChain

langchainhub

Last released

The LangChain Hub API client

langchain-benchmarks

Last released

🦜💪 Flex those feathers!

langchain-airbyte

Last released

An integration package connecting Airbyte and LangChain

langgraph-studio

Last released

None

permchain

Last released

permchain

5 archived projects

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