Agent Evaluation Readiness Checklist A practical checklist for agent evaluation: error analysis, dataset construction, grader design, offline & online evals, and production readiness.
How Kensho built a multi-agent framework with LangGraph to solve trusted financial data retrieval Discover how Kensho, S&P Global’s AI innovation engine, leveraged LangGraph to create its Grounding framework–a unified agentic access layer solving fragmented financial data retrieval at enterprise scale.
How we build evals for Deep Agents 💡TLDR: The best agent evals directly measure an agent behavior we care about. Here's how we source data, create metrics, and run well-scoped,
How Middleware Lets You Customize Your Agent Harness Agent harnesses are what help build an agent, they connect an LLM to its environment and let it do things. When you’re building an
Skills in LangSmith Fleet Fleet now supports shareable skills, so you equip agents across your team with knowledge for specialized tasks.
How Moda Builds Production-Grade AI Design Agents with Deep Agents Moda uses a multi-agent system built on Deep Agents and traced through LangSmith to let non-designers create and iterate on professional-grade visuals.
Join LangChain at Google Cloud Next 2026 If you're attending Google Cloud Next 2026 in Las Vegas this year and working on agent development, here's what we have
Two different types of agent authorization LangSmith Fleet introduces two types of agent authorization: Assistants, which use the end user's own credentials, and Claws, which use a fixed set of credentials.
Introducing LangSmith Fleet Agent Builder is now Fleet: a central place for all of your teams to build, use, and manage agents across the enterprise.
Polly is generally available everywhere you work in LangSmith Debugging agents is different from debugging anything else you've built. Traces run hundreds of steps deep, prompts span thousands of lines, and when
Introducing LangSmith Sandboxes: Secure Code Execution for Agents Spin up a sandbox in a single line of code with the LangSmith SDK. Now in Private Preview.
Open SWE: An Open-Source Framework for Internal Coding Agents Built on Deep Agents and LangGraph, Open SWE provides the core architectural components for internal coding agents.
LangChain Announces Enterprise Agentic AI Platform Built with NVIDIA Comprehensive agent engineering platform combined with NVIDIA AI enables enterprises to build, deploy, and monitor production-grade AI agents at scale Press Release SAN FRANCISCO, March
