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Deep Agents
Engineering

How We Made Our Docs Test Themselves

Naomi Pentrel
April 15, 2026
3
min
Agent Architecture

The Anatomy of an Agent Harness

Vivek Trivedy
March 10, 2026
9
min
Tutorials & How-Tos
Case Studies

How we built LangChain’s GTM Agent

The LangChain Team
March 9, 2026
10
min
Observability & Evals
Agent Architecture

Evaluating Skills

The LangChain Team
March 5, 2026
7
min

Recent stories

Company Announcements
LangChain
LangGraph

LangChain and LangGraph Agent Frameworks Reach v1.0 Milestones

The LangChain Team
October 22, 2025
7
min
Company Announcements

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

The LangChain Team
October 20, 2025
3
min
Harrison's In the Loop

Reflections on Three Years of Building LangChain

Harrison Chase
October 20, 2025
6
min
Deep Agents
Tutorials & How-Tos

Securing your agents with authentication and authorization

The LangChain Team
October 13, 2025
6
min
Harrison's In the Loop
LangSmith

Not Another Workflow Builder

Harrison Chase
October 7, 2025
4
min
Agent Architecture

How to turn Claude Code into a domain specific coding agent

The LangChain Team
September 11, 2025
10
min
Case Studies
LangGraph
LangSmith

Monte Carlo: Building Data + AI Observability Agents with LangGraph and LangSmith

The LangChain Team
September 10, 2025
4
min
Agent Architecture

Agent Middleware

The LangChain Team
September 8, 2025
5
min
LangGraph

Building LangGraph: Designing an Agent Runtime from first principles

The LangChain Team
September 4, 2025
15
min
Company Announcements
Deep Agents
Open Source

Standard message content

The LangChain Team
September 3, 2025
3
min
Company Announcements
LangChain
LangGraph

LangChain & LangGraph 1.0 alpha releases

The LangChain Team
September 2, 2025
3
min
Company Announcements
Observability & Evals

Introducing Open SWE: An Open-Source Asynchronous Coding Agent

The LangChain Team
August 6, 2025
7
min
Harrison's In the Loop
Deep Agents

Deep Agents

Harrison Chase
July 30, 2025
3
min
Deployment

Introducing Align Evals: Streamlining LLM Application Evaluation

The LangChain Team
July 29, 2025
3
min
Company Announcements
Partner
LangGraph

How Bertelsmann Built a Multi-Agent System to Empower Creatives

The LangChain Team
July 29, 2025
6
min

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