Source record

Published by LangChain Blog (T1.5 source). The original is at https://www.langchain.com/blog/unified-stack-for-evaluating-agents.

Pipeline notes

The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.

LangChain integrates Harbor, an agent evaluation harness, with Deep Agents, LangSmith Sandboxes, and LangSmith Observability to enable reproducible, isolated, parallel evaluation of long-running stateful agents that interact with real computing environments.

Walks through wiring Harbor's parallel, deterministic eval runner into the LangChain stack for benchmarking computer-use agents.

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