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Introducing LangSmith Fleet
LangChain· 2026-03-19 16:40
Today, we're excited to launch Langsmith Fleet, an enterprise platform for creating, using, and managing your fleet of agents. These agents have their own memory, have access to a collection of tools and skills, and can be exposed through a myriad of channels. In Langmith Fleet, everything starts with a chat.You can ask ad hoc questions, and Fleet gets to work calling tools and doing other actions to accomplish the task that you set out for it. At any point you can turn a task into an agent with one click. ...
Introducing LangSmith Fleet: Agents for the whole company
LangChain· 2026-03-19 15:17
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Polly AI Assistant now generally available in LangSmith
LangChain· 2026-03-18 17:00
In most debugging sessions, you're clicking through traces, switching pages, and often losing your place. We built Poly, an AI assistant to help improve your agents using Langmith. Today, Poly is available across every page in Langmith.Poly also remembers your full conversations as you navigate to different pages. Let's open up a tracing project and see this in action. You can see here I have a longer trace that has a few different things happening, and we have an agent that's doing some deep research for u ...
Open Models, Open Runtime, Open Harness - Building your own AI agent with LangChain and Nvidia
LangChain· 2026-03-18 15:51
If you've ever seen agents like Claude Code or Manis or OpenClaw, they're actually all really similar under the hood. They have three core elements, a model, a runtime, and then a harness. In this video, we're going to cover how you can build all three of those components using open-source technology.So, we're going to use Neotron 3 Super Model as the model. We're then going to use Nvidia's Open Shell as the runtime. And finally, we're going to use Lingchain's deep agents harness to string it all together.L ...
Introducing: LangSmith Sandboxes (Now in Private Preview)
LangChain· 2026-03-17 15:47
Hey everyone, I'm Mo from Lang. Today I'm excited to show you LinkedIn sandboxes. Over the last couple of months, we've seen code execution emerge as one of the most powerful primitives for agents.When agents can run code, they can analyze data, call APIs, and validate their own output to build applications from scratch. The challenge is that agent generated code is untrusted and unpredictable. You can't just let it run on your infrastructure.That's why we built Lanch sandboxes, secure ephemeral environment ...
Deploy CLI: The Easiest Way to Deploy Agents from Your Terminal
LangChain· 2026-03-16 15:52
Introducing Langraph Deploy. Deploy an agent to Langsmith in just a single command. You can go from prototype to production in minutes, all without leaving your terminal.In this video, we're going to walk through that whole workflow from scaffolding a new agent to testing it out locally in Linksmith Studio to finally deploying it using our CLI. Let's go ahead and get right into it. All right, so let's go ahead and get started from scratch.The first thing that we're going to do is run uv tool install langrap ...
How to Debug, Evaluate, and Ship Reliable AI Agents with LangSmith
LangChain· 2026-03-12 02:12
Hi everyone. Uh just going to give it a few minutes to let everyone kind of filter in and we'll get started. All right.Um, so we'll go ahead and get started. Um, today we're going to be talking primarily about how to, um, essentially debug, evaluate, and ship reliable AI agents. Um and we're going to talk about it in the context of Langmith. Um so a lot of what we see today um is built into our Langmith product in terms of the way to ship reliable and production agents.So I'm excited to jump into all of tho ...
Introducing Support for Multimodal Evaluators in LangSmith
LangChain· 2026-03-09 16:00
Hi everyone, this is Katherine from Langchain. We just launched support for multimodal attachments and content in our evaluators and I'm excited to walk you through the feature. We believe multimodal support is really important because agent interactions nowadays aren't just text based anymore.Users might upload a PDF, send a voice message, or share a screenshot. An agent themselves can generate multimodal outputs like images, charts, and files as part of the workflow. For example, in interacting with chat ...
LangChain & LangSmith Skills: Teach Your AI to Build Agents
LangChain· 2026-03-04 19:03
In this video, we'll be showing how to use link chain and linksmith skills with cloud code. We'll see how Cloud Code can use skills to effectively build, observe, and iterate on an agent. To start, we just ask Cloud Code to generate us a deep research agent that can delegate tasks to workers.You can see Cloud call our skills for guidance. Without them, Cloud wouldn't know best practices. With skills, it knows dependencies, structures, and orchestration out of the gate.And we can watch it put together our ag ...
LangSmith Agent Builder
LangChain· 2026-03-02 17:30
Heat. [music] [music] Heat. Heat. Heat. Heat.Heat. ...