LangSmith Engine

Everything Fervor AI has published that touches LangSmith Engine — 3 pieces, newest first.

• OpenWiki, LangSmith Engine, and the Admin Plugin All Shipped Receipts. None of Them Checks Who Asked.

  Agent systems now verify their own output with cheap deterministic checks, but none of them binds the actor's authority into the record, so a clean receipt is exactly…

• Briefing · August 26, 2026 · afternoon

  Three products shipped the same primitive on August 25, a durable version-stamped record of why the system believes or did something, which means the receipt is becoming…

• Briefing · August 25, 2026 · afternoon

  The measurement layer stopped being a bolt-on and became the shipped product, with LangChain releasing three separate agent-grading systems in one day while OpenAI's CFO…