Tag: langsmith

All the articles with the tag "langsmith".

• Building the Agent Was the Easy Half. The Evaluation Wasn't.

  30 Jun, 2026

  How I evaluated my own AI agent: a 50-case golden dataset scored with code and an LLM-as-judge in LangSmith, plus the security regression I caught. The story of taking Credential Sentinel from a 0.976 composite score to a clean 1.0.