LangChain Blog

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

Featured

LangChain and LangGraph Agent Frameworks Reach v1.0 Milestones

7 min read

LangChain raises $125M to build the platform for agent engineering

3 min read

Building LangGraph: Designing an Agent Runtime from first principles

15 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:

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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

Introducing LangSmith’s No Code Agent Builder

By Brace Sproul and Sam Crowder Today, we’re expanding who can build agents beyond developers. While a lot of the highest volume, customer-facing agents

4 min read

Doubling down on DeepAgents

Two months ago we wrote about Deep Agents - a term we coined for agents that are able to do complex, open ended tasks over

3 min read

Agent Frameworks, Runtimes, and Harnesses- oh my!

There are few different open source packages we maintain: LangChain and LangGraph being the biggest ones, but DeepAgents being an increasingly popular one. I’ve

In the Loop 3 min read

Improve agent quality with Insights Agent and Multi-turn Evals, now in LangSmith

LangSmith's new Insights Agent and Multi-turn Evals help you understand what your agents are doing in production and whether they're accomplishing user goals.

4 min read

LangChain and LangGraph Agent Frameworks Reach v1.0 Milestones

By Sydney Runkle and the LangChain OSS team We're releasing LangChain 1.0 and LangGraph 1.0 — our first major versions of our

7 min read