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LangChain, operating under the GitHub username langchain-ai, maintains a significant public presence with a wide range of repositories focused on agent engineering. The organization primarily uses languages such as Python and TypeScript, with notable projects including langchain and langgraph, which are designed to build resilient agents and facilitate agent engineering tasks.
Top languages
Public repositories
langchain
The agent engineering platform.
langgraph
Build resilient agents.
deepagents
The batteries-included agent harness.
langchainjs
The agent engineering platform
open_deep_research
No description provided for this repository.
open-swe
An Open-Source Asynchronous Coding Agent
local-deep-researcher
Fully local web research and report writing assistant
rag-from-scratch
No description provided for this repository.
opengpts
No description provided for this repository.
chat-langchain
No description provided for this repository.
open-canvas
📃 A better UX for chat, writing content, and coding with LLMs.
langchain-mcp-adapters
LangChain 🔌 MCP
langgraphjs
Framework to build resilient language agents as graphs.
agent-chat-ui
🦜💬 Web app for interacting with any LangGraph agent (PY & TS) via a chat interface.
langchain-academy
No description provided for this repository.
social-media-agent
📲 An agent for sourcing, curating, and scheduling social media posts with human-in-the-loop.
langchain-nextjs-template
LangChain + Next.js starter template
langserve
LangServe 🦜️🏓
executive-ai-assistant
No description provided for this repository.
open-agent-platform
An open-source, no-code agent building platform.
agents-from-scratch
Build an email assistant with human-in-the-loop and memory
deep-agents-ui
Custom UI for Deep Agents
streamlit-agent
Reference implementations of several LangChain agents as Streamlit apps
langgraph-supervisor-py
No description provided for this repository.
langgraph-swarm-py
For your multi-agent needs
langmem
No description provided for this repository.
deepagentsjs
The batteries included agent harness.
langchain-extract
🦜⛏️ Did you say you like data?
openevals
Readymade evaluators for your LLM apps
langsmith-cookbook
No description provided for this repository.
agent-inbox
📥 An inbox UX for interacting with human-in-the-loop agents.
mcpdoc
Expose llms-txt to IDEs for development
langsmith-sdk
LangSmith Client SDK Implementations
langchain-skills
No description provided for this repository.
auto-evaluator
No description provided for this repository.
react-agent
LangGraph template for a simple ReAct agent
deep_research_from_scratch
No description provided for this repository.
deep-agents-from-scratch
No description provided for this repository.
agentevals
Readymade evaluators for agent trajectories
agent-protocol
No description provided for this repository.
how_to_fix_your_context
No description provided for this repository.
langgraph-bigtool
Build LangGraph agents with large numbers of tools
langgraph-example
No description provided for this repository.
lca-lc-foundations
No description provided for this repository.
langgraph-101
Learn about the fundamentals of LangGraph through a series of notebooks
memory-agent
No description provided for this repository.
react-voice-agent
No description provided for this repository.
langchain-google
🦜🔗 LangChain interfaces to Google's suite of AI products (e.g. Gemini & Vertex AI)
docs
Unified LangChain documentation.
learning-langchain
No description provided for this repository.
langchain-aws
Build LangChain Applications on AWS
rag-research-agent-template
No description provided for this repository.
langchain-postgres
LangChain abstractions backed by Postgres Backend
memory-template
No description provided for this repository.
data-enrichment
LangGraph Studio template for creating an agent that does web research to genearte or enrich structured data.
llmanager
🧍♂️LLM as a manager for approval processes.
langgraph-cua-py
An implementation of a computer use agent (CUA) using LangGraph
langsmith-docs
This repo is deprecated. Please go to langchain-ai/docs.
lang-memgpt
A bot with memory, built on LangGraph Cloud.
intro-to-langsmith
Resources for the LangSmith Academy Course
openshell-deepagent
A general-purpose coding agent that runs inside an NVIDIA OpenShell sandbox, orchestrated by Deep Agents and powered by NVIDIA Nemotron. The agent writes and executes code in an isolated, policy-governed Linux environment.
robo-blogger
Assistant for voice-to-blog writing
voice-sandwich-demo
No description provided for this repository.
langsmith-skills
No description provided for this repository.
langchain-azure
Build secure LangChain applications on Azure
langsmith-mcp-server
No description provided for this repository.
langchain-mongodb
Integrations between MongoDB, Atlas, LangChain, and LangGraph
react-agent-js
No description provided for this repository.
langgraph-gen-py
CLI to generate LangGraph stubs from a specification
skills-benchmarks
No description provided for this repository.
helm
Repository hosting Langchain helm charts.
langchain-weaviate
🦜🔗 LangChain interface to Weaviate
langsmith-cli
A coding agent-first CLI for interacting with LangSmith.
langchain-milvus
The LangChain wrapper of Milvus vector database for efficient vector search, full-text search, hybrid retrieval and RAG.
langsmith-claude-code-plugins
LangSmith plugins for Claude Code
langchain-snowflake
No description provided for this repository.
langchain-litellm
🦜🔗 LangChain interface to LiteLLM
langchain-neo4j
No description provided for this repository.
agents-from-scratch-ts
LangGraph Typescript Agents Notebooks: email, human in the loop, memory
streaming-cookbook
Documentation and examples around LangChain's streaming capabilities.
langgraph-supervisor-js
🚚 REPOSITORY MOVED 🚚 - new location: https://github.com/langchain-ai/langgraphjs/tree/main/libs/langgraph-supervisor
langchain-datastax
DataStax Astra DB integration with LangChain
langsmith-java
LangSmith Java SDK.
langchain-pinecone
Build LangChain applications with Pinecone
langsmith-go
No description provided for this repository.
langchain-unstructured
No description provided for this repository.
deep-agent-template
No description provided for this repository.
voice-demo
Three voice-agent backends (LiveKit, OpenAI Realtime, Google ADK Live) sharing one console interface, each instrumented for LangSmith
terraform
Repository containing langchain terraform modules
langsmith-data-migration-tool
A CLI tool to help users migrate data from their LangSmith cloud/self-hosted workspaces
.github
Public organization profile
smith-utils
A collection of handy scripts and utilities for everyday development and system tasks.
fleet-deepagents-export
Self-contained code export for LangSmith Fleet deep agents
langsmith-codex-plugins
LangSmith plugin for OpenAI Codex
langchain-llama-stack
LangChain x Llama Stack
simple-agent-template
No description provided for this repository.
js-langgraph-monorepo-example
Example JS monorepo for deploying to LangGraph Platform
smithdb-self-hosted-samples
No description provided for this repository.
lca-deployment
No description provided for this repository.
terraform-provider-langsmith
No description provided for this repository.
Frequently asked questions
What does langchain-ai build on GitHub?
Langchain-ai builds a variety of projects related to agent engineering on GitHub. Notable repositories include langchain, langgraph, and deepagents, which provide tools and frameworks for creating and managing intelligent agents.
Which programming languages does langchain-ai use?
Langchain-ai predominantly uses Python and TypeScript for its repositories. Other languages include Jupyter Notebook, Shell, and Go, catering to various aspects of agent development and research.
Are langchain-ai's repositories public?
Yes, all repositories under the langchain-ai organization are public. This allows users and developers to access, contribute to, and utilize the organization's projects focused on agent engineering.
Is this exposure intended?
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