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Harrison's In the Loop

What does it mean to "own your intelligence"?

Harrison Chase
July 25, 2026
9
min
LangSmith

LangSmith Engine v2: Red teaming and automated testing

Ben Tannyhill
Trammell Saltzgaber
September 24, 2026
5
min
LangSmith
Observability & Evals

Trajectories now in LangSmith: A readable view of every agent session

Winston Huynh
Bonnie Pecevich
September 24, 2026
5
min
LangChain Labs
LangSmith

Introducing LangSmith Fine-Tuning

Ankush Gola
Jake Broekhuizen
Vivek Trivedy
September 24, 2026
8
min

Recent stories

Case Studies

How Snyk turned an internal support agent into a customer feature 

Oliver Armstrong
October 8, 2026
8
min
Agents that can pay: building Restock with Stripe's Link and Managed Deep Agents
Deep Agents
Tutorials & How-Tos
Partner

Agents that can pay: building Restock with Stripe's Link and Managed Deep Agents

Srimanth Tangedipalli
Sydney Runkle
Nathan Drezner
October 8, 2026
6
min
Revamping Skills in Deep Agents
Open Source
Agent Architecture
Deep Agents

Revamping Skills in Deep Agents

Sydney Runkle
October 7, 2026
7
min
Deep Agents

Managed Deep Agents v0.9: schedules, per-run configuration, and Slack reactions

Nathan Drezner
October 7, 2026
4
min
How to Build a Model Router in the Harness
Open Source
Agent Architecture
LangChain

How to Build a Model Router in the Harness

Sydney Runkle
Eugene Yurtsev
October 1, 2026
12
min
Open Source
Agent Architecture
LangGraph

Building Prod with Jev and LangGraph

Sydney Runkle
Hunter Lovell
September 25, 2026
9
min
LangSmith
Company Announcements

New in LangSmith: Engine v2, Managed Deep Agents, Fine-Tuning, and More

Jacob Talbot
September 25, 2026
7
min
LangSmith

LangSmith Engine v2: Red teaming and automated testing

Ben Tannyhill
Trammell Saltzgaber
September 24, 2026
5
min
Deep Agents

Managed Deep Agents v0.8: new auth, memory, and channels

Nathan Drezner
Karthic Subramanian
September 24, 2026
8
min
LangSmith
Observability & Evals

Trajectories now in LangSmith: A readable view of every agent session

Winston Huynh
Bonnie Pecevich
September 24, 2026
5
min
LangChain Labs
LangSmith

Introducing LangSmith Fine-Tuning

Ankush Gola
Jake Broekhuizen
Vivek Trivedy
September 24, 2026
8
min
LangSmith

Introducing LangSmith Custom Apps: Build custom interfaces around your agent data

Sam Crowder
Bonnie Pecevich
September 24, 2026
5
min
LangSmith

The Reliability Layer for Healthcare AI: Common LangSmith Use Cases

Morgan Lo
September 22, 2026
9
min
LangSmith
Observability & Evals

Jev is now available in LangSmith Evals

Winston Huynh
September 21, 2026
9
min
Observability & Evals
LangSmith

Jev-as-a-Judge for Agent Evals

Daniel Shea
Seán Roche
September 20, 2026
9
min
Open Source
Agent Architecture
LangChain

Building a Harness with Jev

Sydney Runkle
Hunter Lovell
September 17, 2026
5
min

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