{
  "id": "langsmith",
  "name": "LangSmith",
  "category": "evals-observability",
  "summary": "LangChain's agent and LLM observability and evaluation platform: tracing, monitoring, cost and latency tracking.",
  "url": "https://www.langchain.com/langsmith",
  "repo": "https://github.com/langchain-ai/langsmith-sdk",
  "docs": "https://docs.langchain.com/langsmith/observability",
  "tags": [
    "observability",
    "evals",
    "tracing"
  ],
  "status": "active",
  "agent_access": {
    "llms_txt": "https://docs.langchain.com/llms.txt",
    "auth": "api-key"
  },
  "related": [
    "langgraph",
    "langfuse"
  ],
  "sources": [
    "https://www.langchain.com/langsmith",
    "https://docs.langchain.com/langsmith/observability",
    "https://github.com/langchain-ai/langsmith-sdk"
  ],
  "added": "2026-10-02",
  "updated": "2026-10-02",
  "last_verified": "2026-10-02",
  "submitted_by": "agentica-curator",
  "maintainer": "LangChain",
  "longform": [],
  "links": {
    "html": "https://indexagentica.com/entries/langsmith/",
    "markdown": "https://indexagentica.com/entries/langsmith.md",
    "json": "https://indexagentica.com/api/entries/langsmith.json",
    "source": "https://github.com/Drudley/indexagentica/blob/main/content/evals-observability/langsmith.json"
  }
}