LangSmith Product Help

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

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.	0	508	April 24, 2025
About the LangSmith Product Help category LangSmith Product Help js-help	0	406	April 22, 2025
LangSmith cost/token attribution differs between LangGraph v2 streaming and v3 `astream_events` with Anthropic prompt caching Observability & Evals	1	8	June 10, 2026
Can your LangChain agent spend money without your permission? LangSmith Product Help ambient-agents-with-	7	27	June 9, 2026
CopilotKit + LangGraph Agent Server (self-hosted): expected integration path without re-exposing graphs? LangSmith Product Help self-hosted	2	30	June 5, 2026
Langsmith-fleet issue Deployment	1	16	June 4, 2026
Proposal: Add an example for handling line-number hallucinations in AI Code Review workflows LangSmith Product Help js-help	0	8	June 3, 2026
How can I verify my runs have been queued for deletion via the API? Observability & Evals	3	28	June 2, 2026
[Feature]: MetacognitiveGate node — source-aware instruction checking before tool execution Observability & Evals	2	24	June 2, 2026
Is there a limit on runs deleted by /api/v1/runs/delete when using filtered metadata Observability & Evals	2	29	June 1, 2026
Langsmith link is always making me login LangSmith Product Help	6	53	June 1, 2026
Fleet issues.. churn-spin and correct link LangSmith Product Help	3	29	May 29, 2026
Access to Langsmith Engine Observability & Evals	1	26	May 29, 2026
How to delete traces or runs? Observability & Evals	10	1581	May 28, 2026
Can a Fleet hosted agent be configured to hit my Langconnect RAG on GCP? LangSmith Product Help	2	12	May 27, 2026
DeltaChannelHistory not found in langgraph-api:3.13 LangSmith Product Help self-hosted	2	31	May 27, 2026
Google Sheets MCP Tool returning 404 errors Fleet	5	124	May 25, 2026
[LangSmith Studio Issue] when resuming from an interrupt inside a subgraph. it doesn't properly resume, instead restarts LangSmith Product Help python-help	14	241	May 22, 2026
I thought client[.]runs[.]wait would actually return the result of my agent's work LangSmith Product Help	2	32	May 21, 2026
I try to invoke my fleet agent but seems like my Next.js code can't read my api_key environment variable so i get 401 unauthenticated error Fleet js-help	7	71	May 21, 2026
Could RAG pipelines realistically cause deployment timeouts, is Render suitable for first-time RAG deployments? Deployment python-help	3	51	May 19, 2026
Langgraph deploy CLI cannot deploy to EU Langsmith Cloud Deployment	6	64	May 19, 2026
Langsmith Fleet Sandbox Failure LangSmith Product Help	3	52	May 15, 2026
Getting 404 when clicking "Connect Github" on the Issues/Langsmith Engine tab Observability & Evals	1	48	May 14, 2026
Trouble understanding and editing experiment summary evaluators feedbacks Observability & Evals	3	62	May 13, 2026
Metadata filter not filtering for alerts LangSmith Product Help	2	47	May 13, 2026
Run link 404s — v2 endpoint can't find run that v1 just returned Observability & Evals	3	52	May 12, 2026
How to cancel a run correct ！！ LangSmith Product Help	1	62	May 9, 2026
How to use @langchain/react LangSmith Product Help self-hosted , python-help	5	108	May 8, 2026
Question about LangSmith Trace Search Observability & Evals	4	78	May 8, 2026