Refcat/LangChainUI reference · WebAdding a run to a dataset in LangChain4 screens · LangChainAdded to Refcat Oct 16, 2026Every screen in orderPatternsSelectAction OptionAcknowledgement & SuccessComponentsdropdowntoastExplore real product flowsOnboardingFiltering runs by costSearching LangSmithAdding an evaluatorImporting a datasetSwitching to LangSmithRun detailCreating an agent from a templateAdding an applicationAdding a run to a datasetTracingAdding a feedbackExplore the full catalog