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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
openwiki
OpenWiki is a CLI that writes and maintains agent documentation for your codebase.
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.
agents-from-scratch
Build an email assistant with human-in-the-loop and memory
open-agent-platform
An open-source, no-code agent building platform.
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.
langmem
No description provided for this repository.
langgraph-swarm-py
For your multi-agent needs
deepagentsjs
The batteries included agent harness.
openwork
No description provided for this repository.
openevals
Readymade evaluators for your LLM apps
langchain-skills
No description provided for this repository.
agent-inbox
📥 An inbox UX for interacting with human-in-the-loop agents.
langsmith-cookbook
No description provided for this repository.
mcpdoc
Expose llms-txt to IDEs for development
langsmith-sdk
LangSmith Client SDK Implementations
react-agent
LangGraph template for a simple ReAct agent
deep-agents-from-scratch
No description provided for this repository.
deep_research_from_scratch
No description provided for this repository.
agentevals
Readymade evaluators for agent trajectories
agent-protocol
No description provided for this repository.
multi-modal-researcher
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
langgraph-bigtool
Build LangGraph agents with large numbers of tools
how_to_fix_your_context
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.
langconnect
A managed RAG API server.
langchain-aws
Build LangChain Applications on AWS
rag-research-agent-template
No description provided for this repository.
new-langgraph-project
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.
langchain-nvidia
No description provided for this repository.
llmanager
🧍♂️LLM as a manager for approval processes.
agent-auth-payments
fullstack chat agent with authentication, request credits and payments built in
context_engineering
No description provided for this repository.
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.
retrieval-agent-template
No description provided for this repository.
intro-to-langsmith
Resources for the LangSmith Academy Course
langgraph-fullstack-python
No description provided for this repository.
langsmith-skills
No description provided for this repository.
langchain-azure
Build secure LangChain applications on Azure
voice-sandwich-demo
No description provided for this repository.
langsmith-mcp-server
No description provided for this repository.
helm
Repository hosting Langchain helm charts.
langsmith-cli
A coding agent-first CLI for interacting with LangSmith.
lca-langchainV1-essentials
No description provided for this repository.
langchain-weaviate
🦜🔗 LangChain interface to Weaviate
oap-langgraph-tools-agent
No description provided for this repository.
lca-langgraph-essentials
No description provided for this repository.
streaming-cookbook
Documentation and examples around LangChain's streaming capabilities.
langchain-cohere
No description provided for this repository.
langchain-litellm
🦜🔗 LangChain interface to LiteLLM
langsmith-agent-lifecycle-workshop
Workshop series teaching the AI Engineering Lifecycle using LangChain, LangGraph, and LangSmith
langchain-ibm
No description provided for this repository.
langsmith-go
No description provided for this repository.
google-adk-realtime-deepagents-example
Example realtime voice agent built with Google ADK and deepagents
lca-deepagents
LangChain Academy Course on Deep Agents
deep-agent-template
No description provided for this repository.
managed-deepagents
Managed deepagents
langgraph-101-ts
No description provided for this repository.
terraform
Repository containing langchain terraform modules
langchain-azure-js
No description provided for this repository.
langsmith-data-migration-tool
A CLI tool to help users migrate data from their LangSmith cloud/self-hosted workspaces
langsmith-codex-plugins
LangSmith plugin for OpenAI Codex
generic-researcher
A generic researcher
langchain-plugins
Cross-tool plugin marketplace for deepagents-code (dcode), Claude Code, and OpenAI Codex — LangChain & LangSmith skills and MCP servers
langsmith-opencode
OpenCode plugin for LangSmith
terraform-provider-langsmith
No description provided for this repository.
async-subagents-template
No description provided for this repository.
langsmith-pi-extension
LangSmith PI Extension
langsmith-cursor-plugins
LangSmith plugins for Cursor
simple-agent-template
No description provided for this repository.
lca-production-monitoring
No description provided for this repository.
lca-deployment
No description provided for this repository.
homebrew-tap
Homebrew tap for LangChain formulae and casks
hyperloglog.rs
HyperLogLog implementations.
rust-sketches-ddsketch
Rust port of the Go implementation of DDSketch
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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