LangChain Creator Profile

Get Started with LangSmith Multi-turn Evaluations

LangChain October 23, 2025

Once you have a good sense of the top usage patterns your agent is handling, you can start to drill …

Building LangChain and LangGraph 1.0

LangChain October 22, 2025

LangChain CEO Harrison Chase sits down with open source engineers Sydney, Hunter, and Will for an in-depth technical discussion on …

LangChain: Engineer reliable agents

LangChain October 21, 2025

We're launching LangChain 1.0 and LangGraph 1.0 — and announcing our $125M Series B. Building reliable agents has traditionally been …

Get Started with Insights Agent in LangSmith

LangChain October 20, 2025

Today's popular agents produce millions of traces per day—soon to be billions. These traces contain valuable signal about an agent's …

Context Engineering for AI Agents with LangChain and Manus

LangChain October 14, 2025

Join us for a deep dive into context engineering – the critical practice that determines how well your AI agents …

How We Built it: Clay - Fireside Chat with CEO Kareem Amin

LangChain October 8, 2025

Go behind the scenes with Kareem Amin (CEO of Clay) and Julia Schottenstein (Head of GTM and OPS at LangChain) …

Getting Started with LangSmith (3/8): Debugging with Studio

LangChain September 29, 2025

- Code: https://github.com/xuro-langchain/eli5 - Learn more about LangSmith: https://www.langchain.com/langsmith/?utm_medium=social&utm_source=youtube&utm_campaign=q2-2025_onboarding-videos_co - Get started with LangSmith for free: https://smith.langchain.com/?utm_medium=social&utm_source=youtube&utm_campaign=q2-2025_onboarding-videos_co - Docs: https://docs.smith.langchain.com/?utm_medium=social&utm_source=youtube&utm_campaign=q2-2025_onboarding-videos_co …

Getting Started with LangSmith (2/8): Types of Runs

LangChain September 29, 2025

- Code: https://github.com/xuro-langchain/eli5 - Learn more about LangSmith: https://www.langchain.com/langsmith/?utm_medium=social&utm_source=youtube&utm_campaign=q2-2025_onboarding-videos_co - Get started with LangSmith for free: https://smith.langchain.com/?utm_medium=social&utm_source=youtube&utm_campaign=q2-2025_onboarding-videos_co - Docs: https://docs.smith.langchain.com/?utm_medium=social&utm_source=youtube&utm_campaign=q2-2025_onboarding-videos_co …

Rewriting Deep Agents on top of LangChain 1.0

LangChain September 24, 2025

In this video, we will walk through how we rebuilt deepagents on top of LangChain 1.0. It will cover the …

LangChain Academy New Course: Deep Agents

LangChain September 18, 2025

Many agents today follow the same simple pattern: run in a loop, call tools. That architecture works well enough, but …

Adding Human-in-the-Loop to DeepAgents

LangChain September 15, 2025

Many tools that you may want to give to agents will take actions in the real world. For these tools, …

How PagerDuty Built AI Agents with LangGraph to Transform Incident Management

LangChain September 15, 2025

PagerDuty's engineering team built an AI agent that transforms how teams interact with incident data, replacing dashboard navigation with natural …

Using `deepagents` to Build Deep Research (Python)

LangChain August 19, 2025

In this video we will use `deepagents` to build a Deep Research example. This consists of defining a search tool, …

Deep Agents JS

LangChain August 18, 2025

Deep Agents is now in JavaScript! Simple tool-calling loops break down on long-horizon or intricate problems. Deep Agents, like Deep …

LangChain Academy New Course: Deep Research with LangGraph

LangChain August 14, 2025

Deep research agents are taking off – from major AI labs to companies building their own. Research is inherently open-ended. …

Deep Agents UI

LangChain August 13, 2025

Deep agents operate with a todo list, file system, and subagents We built a dedicated UI for running deep agents …

Testing Driving GPT 5

LangChain August 8, 2025

OpenAI just released GPT-5, their new series of frontier LLMs. Here, we analyze the models, assess reactions from developers, show …

Introducing Open SWE: An Open-Source Asynchronous Coding Agent

LangChain August 6, 2025

An async, fully autonomous coding agent. Demo: https://swe.langchain.com GitHub Repository: https://github.com/langchain-ai/open-swe Documentation: https://github.com/langchain-ai/open-swe/tree/main/apps/docs Blog: https://blog.langchain.com/introducing-open-swe-an-open-source-asynchronous-coding-agent/

Tracing Claude Code to LangSmith

LangChain August 6, 2025

You can now trace your claude code sessions to LangSmith! See how to set up tracing from claude code to …

Implementing deepagents: a technical walkthrough

LangChain August 1, 2025

We recently released `deepagents`, a Python package making it easier to build "Deep Agents". This comes with built in sub …

What are Deep Agents?

LangChain July 31, 2025

Using an LLM to call tools in a loop is the simplest form of an agent. This architecture, however, can …

Introducing Align Evals: Streamlining LLM Application Evaluation 🚀

LangChain July 29, 2025

Evaluations are a key technique for improving your application — whether you’re working on a single prompt or a complex …

How to apply context engineering