Langchain Python Python Packages

langchain-google-vertexai

🦜🔗 LangChain interfaces to Google's suite of AI products (e.g. Gemini & Vertex AI)

langchain-google-genai

🦜🔗 LangChain interfaces to Google's suite of AI products (e.g. Gemini & Vertex AI)

langchain-aws

Build LangChain Applications on AWS

langchain-google-community

🦜🔗 LangChain interfaces to Google's suite of AI products (e.g. Gemini & Vertex AI)

langserve

LangServe 🦜️🏓

langgraph-checkpoint-aws

Build LangChain Applications on AWS

toolbox-core

Python SDK for interacting with the MCP Toolbox for Databases.

langchain-graph-retriever

Graph traversal for improved RAG

graph-retriever

Graph traversal for improved RAG

toolbox-adk

Python SDK for interacting with the MCP Toolbox for Databases.

swarms

The Enterprise-Grade Production-Ready Multi-Agent Orchestration Framework. Website: https://swarms.ai

langchain-mcp-tools

MCP to LangChain Tools Conversion Utility / Python

langchain-agentcore-codeinterpreter

Build LangChain Applications on AWS

langchain-pymupdf4llm

An integration package connecting PyMuPDF4LLM to LangChain

toolbox-langchain

Python SDK for interacting with the MCP Toolbox for Databases.

pytector

Easy to use LLM Prompt Injection Detection and Prompt Input Sanitization / Detector Python Package with support for local models, API-based safeguards, and LangChain guardrails.

alation-ai-agent-sdk

Python library for integrating the Alation API into agentic workflows

demogpt

🤖 Create LLM agents in a second with your prompts. Everything you need to create an LLM Agent - tools, prompts, frameworks, and models - all in one place.

longtrainer

Production-ready RAG framework for Python — multi-tenant chatbots with streaming, tool calling, agent mode (LangGraph), vector search (FAISS), and persistent MongoDB memory. Built on LangChain.

promptwatch

Python client for PromptWatch.io - LLM tracking platform

alation-ai-agent-mcp

Alation Agent SDK with MCP support

llmonitor

Lunary AI Python Client (Analytics, monitoring and evaluations for GenAI apps)

langchain-couchbase

Couchbase integration with LangChain

toolbox-llamaindex

Python SDK for interacting with the MCP Toolbox for Databases.