The Hallway Track

langsmith

12 tracked signals on langsmith.

The Agent for Your Agent.

LangChain · Jun 23, 2026

LangChain launched Engine, an agent that autonomously investigates traces and drafts PRs to improve other agents.

“We're working towards a future where agents improve themselves.”
How to go from your agent's traces to a fine-tuned model in one workflow

LangChain · Sep 24, 2026

LangChain launches LangSmith fine-tuning in public beta with SmithTune, a CLI to post-train models from agent traces.

“today we're launching LangSmith fine-tuning in public beta with SmithTune, a CLI to allow you to post-train models from your LangSmith traces in one workflow”
How Salesforce Standardizes Agent Evals with LangSmith

LangChain · Jul 23, 2026

Salesforce AgentForce uses LangSmith to standardize evals across teams at scale

“LangSmith helps us to amplify our internal expertise, allowing us to run thousands and thousands of test cases.”
LangSmith Sandboxes: A Secure Computer for Your Agent

LangChain · Jul 20, 2026

LangSmith Sandboxes gives AI agents isolated, scalable compute environments spinning up in under a second

“The question isn't whether agents need computers. It's how you give them one, safely.”
Observing And Testing CX Agents | Interrupt 26

LangChain · Jun 10, 2026

Cisco built an agentic feedback loop turning production thumbs-down signals into merged PR fixes with human oversight.

“every thumbs up is a lead. Every trace with an error is a potential regression. And every confused user is a description of a gap that needs to be addressed.”
What Is LangChain, Actually?

LangChain · Sep 23, 2026

LangChain has evolved from an open source framework into a full agent development lifecycle platform anchored by LangSmith.

“Turns out building the agent is really fun. Super fun. And kind of easy now, but actually keeping it from going completely sideways in production is the hard part.”
Building Governed Agents: A Framework for Cost, Control and Compliance

LangChain · Aug 12, 2026

LangChain frames agent governance as a new engineering discipline requiring cost, reliability, and compliance controls.

“Production agents introduce a different risk profile than traditional LLM apps. They have greater autonomy, meaning they have a greater need for visibility and control.”
Deploy Google ADK Agents on LangSmith Deployment

LangChain · Jun 05, 2026

LangChain adds support to deploy Google ADK agents directly on LangSmith Deployment.

“You can now deploy a Google ADK agent straight to Langsmith Deployments.”
What is LangSmith?

LangChain · Sep 22, 2026

LangSmith is LangChain's framework-agnostic platform for tracing, testing, deploying, and monitoring LLM agents.

“Agents are a black box, making them difficult to observe and debug.”