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LangSmith

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Introducing: LangSmith Tuned Evaluators Aug 18, 2026 · 4:11 LangSmith Tuned Evaluators automatically attach quality feedback to production traces and threads. They analyze agent interactions to find behavior that needs attention, starting with Perceived Error.

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Managed Deep Agents - Skills Aug 19, 2026 · 8:29 Skills package task-specific procedures and context into reusable directories. You can define them in markdown files, and they are picked up automatically by the agent. LangSmith Preview Builds: Test agent changes before production Aug 20, 2026 · 8:01 LangSmith Preview Builds bring standard software development workflows to AI agents. By deploying a temporary environment for every pull request, teams can test agent changes safely before they reach production. Inside Clay's Eval Stack: 300M Agent Runs, One LangSmith Pipeline Aug 28, 2026 · 13:01 Clay details its agentic stack (Claygent/Sculptor), emphasizing that scaling requires robust evaluation suites, a data lake foundation, and leveraging large context models to build self-iterating loops.

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Managed Deep Agents | Deploying mission critical agents to production Oct 9, 2026 · 15:48 Managed Deep Agents simplifies deploying mission-critical AI agents. It bundles the Deep Agents harness with managed LangSmith infrastructure, allowing developers to define, test, and deploy agents using the mda CLI. How to Build a Model Router in the Harness Oct 6, 2026 · 13:39 Sydney Runkle details how to build a model router in the harness to reduce operational costs. By analyzing task traces and selecting models along the Pareto frontier, the router cut median cost per thread by 64%. Add Web Search to Managed Deep Agents for free with One MCP Config Oct 6, 2026 · 3:48 Web search can allow your agent to conduct external research and add that to information that you've already built in with your existing set of tools and skills. LangChain provides built-in search using parallel as part of the LangSmith platform.

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