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.	1	580	August 15, 2026
About the LangSmith Product Help category LangSmith Product Help js-help	0	480	April 22, 2025
Introducing Langshark a local-first companion observability tool for self-hosted Langgraph deployments Observability & Evals self-hosted , intro-to-langgraph	0	7	August 11, 2026
Query pay-as-you-go option on developer plan Fleet	2	21	August 9, 2026
LangSmith continues making OpenAI API calls after OpenAI billing threshold is reached Observability & Evals intro-to-langsmith , python-help	3	37	August 7, 2026
Best practice for Git-managed Deep Agents skills and thread versioning Deployment	3	62	August 6, 2026
403 Forbidden on POST /runs/multipart despite valid API key Deployment	1	39	August 4, 2026
Model fallback configuration - unable to select workspace configured models LangSmith Product Help	3	45	August 3, 2026
Traces on Claude Observability & Evals	2	50	August 3, 2026
Custom AsyncTool executor freezing agent event loop during background script calls LangSmith Product Help	0	30	August 2, 2026
Best practice for per-tenant model config and BYOK with LangGraph Cloud` Deployment	5	135	July 21, 2026
Getting 403 Forbidden on /runs/multipart despite valid key, correct workspace, and active billing Observability & Evals	2	87	July 20, 2026
Difficulty Adding a Google ADK Run Trace to a Dataset LangSmith Product Help	4	58	July 13, 2026
Long-running run getting cancelled by aggressive workers scale down Deployment	5	92	July 13, 2026
LangSmith UI stuck in router node when not not invoking SubGraph from router node LangSmith Product Help	11	120	July 3, 2026
Metadata filter not filtering for alerts LangSmith Product Help	6	133	June 25, 2026
Experiment table not showing cost breakdown & own metadata Observability & Evals cloud	1	61	June 18, 2026
I'm getting a "RateLimitError: An internal error occurred at async handler" error Fleet	7	131	June 18, 2026
Has anyone tested AI workflow automation for gaming assistant tools recently LangSmith Product Help	1	39	June 15, 2026
Can your LangChain agent spend money without your permission? LangSmith Product Help ambient-agents-with-	10	163	June 15, 2026
Trace-to-Fix: how are you actually improving RAG/agents after observability flags issues? Observability & Evals	3	182	June 15, 2026
Reporting agent using langsmith builder LangSmith Product Help	3	49	June 15, 2026
LangSmith cost/token attribution differs between LangGraph v2 streaming and v3 `astream_events` with Anthropic prompt caching Observability & Evals	1	65	June 10, 2026
CopilotKit + LangGraph Agent Server (self-hosted): expected integration path without re-exposing graphs? LangSmith Product Help self-hosted	2	213	June 5, 2026
Langsmith-fleet issue Deployment	1	86	June 4, 2026
Proposal: Add an example for handling line-number hallucinations in AI Code Review workflows LangSmith Product Help js-help	0	43	June 3, 2026
How can I verify my runs have been queued for deletion via the API? Observability & Evals	3	79	June 2, 2026
[Feature]: MetacognitiveGate node — source-aware instruction checking before tool execution Observability & Evals	2	52	June 2, 2026
Is there a limit on runs deleted by /api/v1/runs/delete when using filtered metadata Observability & Evals	2	88	June 1, 2026
Langsmith link is always making me login LangSmith Product Help	6	91	June 1, 2026