LangSmith Product Help

Fleet Questions, issues, and/or discussions regarding LangSmith Fleet. Deployment Questions, issues, and/or discussions regarding LangSmith Deployment or Studio. Observability & Evals Questions, issues, and/or discussions regarding LangSmith Observability & Evaluations.

Topic	Replies	Views	Activity
Post Identification and Tags LangSmith Product Help self-hosted , hybrid , cloud , langsmith-studio , product-feedback Tag your post in the Help > Lang* product subcategory to ensure the right experts are looking at your issue or question, e.g. cloud, hybrid, or self-hosted.	1	680	August 15, 2026
About the LangSmith Product Help category LangSmith Product Help js-help	0	525	April 22, 2025
Benchmarking a multi-step agent guardrail (local-first): catch vs false-alarm rate, and the eval cases I can’t invent Observability & Evals self-hosted , intro-to-langgraph , python-help	0	6	October 29, 2026
POST /threads/{id}/history and updateState return 500 on factory graphs: '_ReadRuntime' object has no attribute 'context' in the gRPC checkpointer Deployment	1	45	October 28, 2026
What should become an evaluation case after an agent failure? Observability & Evals	0	7	October 28, 2026
What Would an Agent-Native Workspace Add to Multi-Agent Systems? Deployment	0	5	October 28, 2026
Feature Request: Add a pluggable binary classification evaluator for System 1 models Observability & Evals feature-request	0	7	October 28, 2026
Studio Chat renders raw AIMessage metadata instead of final text when using OpenAI web_search LangSmith Product Help	0	5	October 28, 2026
TTL strategies — sliding TTL and a per-thread checkpoint cap? LangSmith Product Help	1	54	October 28, 2026
How are you capping spend on LangChain / LangGraph agents in production? Deployment	0	8	October 27, 2026
Does HITL approval actually bind the action that reaches the executor? LangSmith Product Help intro-to-langgraph , python-help	4	107	October 27, 2026
LangGraph Parallelism LangSmith Product Help	4	374	October 27, 2026
Should I be concerned with the recent deprecation of vertexai.generative_models? LangSmith Product Help	2	343	October 26, 2026
Bug with high precision results from code evaluators Observability & Evals	3	321	October 2, 2026
Add support for multiple webhook URL's for prompts commits/tag updates LangSmith Product Help	1	46	September 28, 2026
Managed Deep Agents: can the model be chosen at runtime, without redeploying? Deployment	2	73	September 23, 2026
The Right Solution/Architecture? Deployment python-help	3	113	September 13, 2026
Why can you now only bulk-add max 100 traces to annotation queues? Is there a workaround? LangSmith Product Help	1	85	September 3, 2026
Can't sign in to correct org account - see "No Plan" page instead LangSmith Product Help	4	99	August 21, 2026
Redis Timeout connecting to server — does Agent Server handle automatic reconnection/retry? LangSmith Product Help self-hosted	1	102	August 21, 2026
Please don't depreciate Turns View LangSmith Product Help feature-request	0	51	August 21, 2026
Introducing Langshark a local-first companion observability tool for self-hosted Langgraph deployments Observability & Evals self-hosted , intro-to-langgraph	1	109	August 17, 2026
Query pay-as-you-go option on developer plan Fleet	2	92	August 9, 2026
LangSmith continues making OpenAI API calls after OpenAI billing threshold is reached Observability & Evals intro-to-langsmith , python-help	3	119	August 7, 2026
Best practice for Git-managed Deep Agents skills and thread versioning Deployment	3	173	August 6, 2026
403 Forbidden on POST /runs/multipart despite valid API key Deployment	1	142	August 4, 2026
Model fallback configuration - unable to select workspace configured models LangSmith Product Help	3	127	August 3, 2026
Traces on Claude Observability & Evals	2	122	August 3, 2026
Custom AsyncTool executor freezing agent event loop during background script calls LangSmith Product Help	0	65	August 2, 2026
Best practice for per-tenant model config and BYOK with LangGraph Cloud` Deployment	5	253	July 21, 2026