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LangChain: Observe, Evaluate, and Deploy Reliable AI Agents
LangSmith is an agent engineering platform by LangChain that provides observability, evaluation, and deployment capabilities for building, debugging, and scaling AI agents across the development lifecycle. The platform supports multiple SDKs, open-source frameworks like LangChain, LangGraph, and deepagents, and is trusted by over 6,000 customers including Fortune 10 companies such as Klarna, ServiceNow, and C.H. Robinson.
Built for AI agentsACO · 997 tokens
Summary
LangSmith is an agent engineering platform by LangChain that provides observability, evaluation, and deployment capabilities for building, debugging, and scaling AI agents across the development lifecycle. The platform supports multiple SDKs, open-source frameworks like LangChain, LangGraph, and deepagents, and is trusted by over 6,000 customers including Fortune 10 companies such as Klarna, ServiceNow, and C.H. Robinson.
Tags
langsmith · ai-agents · observability · evaluation · agent-deployment · langchain · langgraph
Key entities
LangSmith (technology, 0.99) · LangChain (technology, 0.98) · LangGraph (technology, 0.95) · deepagents (technology, 0.9) · Agent Engineering Platform (concept, 0.95) · OpenTelemetry (technology, 0.85) · Klarna (organization, 0.95) · ServiceNow (organization, 0.95) · C.H. Robinson (organization, 0.95) · Monday Service (organization, 0.9) · Podium (organization, 0.9) · Fleet (technology, 0.85) · AI Observability (concept, 0.9) · Human-in-the-loop (concept, 0.85) · MCP (technology, 0.8) · A2A (technology, 0.8)
Classification
reference · language en · status final
Provenance
claude-opus-4-6 via @stacklist/mcp-server@2.0.0, confidence 0.85, 6 May 2026