tracesage: See Inside Your LangGraph Agents (opens in new tab)

See Inside Your LangGraph Agents Open-source LangChain/LangGraph tracing — drop in two lines, watch your agents run live in your browser. The problem: agents are black boxes If you've built anything non-trivial with LangChain or LangGraph — a multi-agent supervisor, a RAG pipeline, a tool-using ReAct loop — you know the feeling. It works on the happy path, then a real query comes in and… something goes wrong. But what? Which agent actually ran? In what order? Did the model call the tool you e...