Today, we're launching Polly: an AI-powered assistant built directly into LangSmith that helps you debug, analyze, and improve your agents.And yes, we see the irony: we're adding an agent to a product for building agents.We've spent a lot of time working with

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. Traditional software assumes you mostly know the inputs and can define the outputs. Agents give you neither: users can say

Context engineering is the act of selecting, organizing, and managing the information fed into a large language model during inference to optimize its performance and behavior.