LangChain Open-Sources Eval-Engineering Skill for Building Agent Environments
LangChain, including founder Harrison Chase, published a hands-on guide and open-sourced an updated eval-engineering skill that builds agent evaluation environments via a two-step pipeline, starting from real traces, code, or human input and iterating through eval engineering.
2026-08-25 ~ 2026-08-25 · 4 related posts
- LangChain open-sources eval-engineering skill: building agent eval environments from traces and human feedback — BraceSproul · 2026-08-25
- LangChain's Harrison Chase ships a skill for building agent evals iteratively — hwchase17 · 2026-08-25
- How to Efficiently Build Agent Evaluation Environments and Tasks — hwchase17 · 2026-08-25
- How LangChain builds synthetic agent environments and tasks: a practical guide — LangChain · 2026-08-25