LangSmith
./MonitorTracing, evals, and prompt management with the deepest LangChain and LangGraph integration
MCPOpenAPI
$ protocol support
[✓]MCP Server
[✓]OpenAPI Spec
[✗]Skill File
[✗]llms.txt
[✗]Structured Feed
$ payment protocols
none documented — this service is not reachable over an agent payment protocol
$ agent access
authAPI Key
onboardingFull — agent can self-onboard
tosExplicitly welcomes bots
webhooksYes
free tierYes
billingsubscription
#observability#tracing#evals#langgraph
https://www.langchain.com/langsmith
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