LangChain Blog (Page 2)

Agent Engineering: A New Discipline

If you’ve built an agent, you know that the delta between “it works on my machine” and “it works in production” can be huge.

5 min read

Evaluating DeepAgents CLI on Terminal Bench 2.0

By Vivek Trivedy and Eugene Yurtsev DeepAgents CLI is a coding agent built on top of the Deep Agents SDK, providing an interactive terminal interface

3 min read

Evaluating Deep Agents: Our Learnings

Over the past month at LangChain, we shipped four applications on top of the Deep Agents harness: * DeepAgents CLI: a coding agent * LangSmith Assist: an

By LangChain 7 min read

LangSmith Agent Builder now in Public Beta

Now anyone can create production ready agents without writing code, just chat. Agent Builder guides you from initial idea to deployed agent, creating detailed prompts, selecting required tools, and even creating subagents.

agent builder 6 min read

Using skills with Deep Agents

tl;dr: Anthropic recently introduced the idea of agent skills. Skills are simply folders containing a SKILL.md file along with any associated files (e.

3 min read

How agents can use filesystems for context engineering

By Nick Huang A key feature of deep agents is their access to a set of filesystem tools. Deep agents can use these tools to

7 min read

How Jimdo empower solopreneurs with AI-powered business assistance

See how Jimdo uses LangChain.js, LangGraph.js, and LangSmith to deliver personalized business insights that drive 50% more first customer contacts and 40% more overall customer activity.

Case Studies 4 min read

How ServiceNow uses LangSmith to get visibility into its customer success agents

Authors: Ganesh Srinivasan (ServiceNow), Linda Ye (LangChain), and Jake Broekhuizen (LangChain) ServiceNow is a leading digital workflow platform that helps enterprises transform service management across

Case Studies 4 min read

Execute Code with Sandboxes for DeepAgents

By Vivek Trivedy Today we're excited to launch Sandboxes for DeepAgents, a new set of integrations that allow you to safely execute arbitrary

3 min read

Join LangChain at AWS re:Invent 2025

If you're attending AWS re:Invent in Las Vegas this year and working on agent development, here's what we have planned:

2 min read

Why We Rebuilt LangChain’s Chatbot and What We Learned

By Liam Bush Background Every successful platform needs reliable support, but we realized our own team was spending hours tracking down answers to technical questions.

13 min read

Introducing DeepAgents CLI

By Vivek Trivedy We're excited to introduce DeepAgents CLI for coding, research, and building agents with persistent memory. Now you can easily create

3 min read