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LangChain Forum - Topics tagged langsmith-studio

Production use of PostgresSaver: service-owned migrations and checkpoint retention in Node.js AttributeError: 'AsyncSandboxClient' object has no attribute 'get_template' reasoning_content visible in LangSmith when using langgraph up but not in standalone Python Unable to delete runs from annotation queue Incorrect `reasoning_effort` options in the UI Unexpected latency in minimal Deep Agent setup (create_deep_agent) + confusing @traceable runs LangSmith Studio file upload with Deep Agents causing OpenAI 400 error Why can't my 'langgraph cli' load 'checkpointer' TypeError: Type is not JSON serializable: ProxyUser Langsmith Stream Issues How to use another model in the langsmith Agent Builder UI? # [Bug/Question] Runtime Context Not Working in Deployed LangSmith Agent - Headers and Config Stripped Alert notifications not triggering for tag-based Parallel Test Scenarios vs OpenAI Rate Limits Unplanned triggering of “PII detection” when launching the agent in self-hosted LangSmith Studio can't connect to self-hosted LangGraph server on Railway - "origin is not allowed" POSTGRES_URI_CUSTOM is ignored by LangGraph runtime; runtime always falls back to in-memory Langsmith Studio not showing state schema Image registration issue Manager graph does not get the header despite adding the custom heade in langgraph.json Feedback request: LangGraph + Laravel workflow to auto-fill form fields from a PDF diagram Local server setup failed LangGraph CLI treats InjectedState as required tool parameter and fails the validation Support passing runtime context in Send API InvalidUpdateError: Node __copy__ does not exist - LangGraph State Update Failure How to get the Original Tool Call Output in the agent? How to Pass Runtime Data from SDK to LangGraph Nodes Without Polluting State? Question: Custom datasets inside LangGraph platform DBs How can I properly integrate open-deep-research package to my existing backend? Studio not recognizing my custom inputs
Does langGraph-studio not support user custom type?
otteru · 2025-09-15 · via LangChain Forum - Topics tagged langsmith-studio

Topic I recently started using Langgraph-Studio. In my project, I don’t serve input data to workflow directly. instead in main.py where my workflow is defined and structured, the input data go through preprocessing process. like this code s3_bucket = os.getenv('S3_BUCKET') folder_key = os.getenv('FOLDER_KEY') output_s3_bucket = os.getenv('OUTPUT_S3_BUCKET') if not s3_bucket or not folder_key or not output_s3_bucket: raise ValueError("S3_BUCKET, folder_key, OUTPUT_S3_...