{
  "id": "tool:langfuse",
  "_kind": "Tool",
  "_file": "domain/tools/tools-testing-frontend-aiml.yaml",
  "_cluster": "domain",
  "attributes": {
    "displayName": "Langfuse",
    "homepageUrl": "https://langfuse.com",
    "kind": "other",
    "description": "Open-source LLM engineering platform providing tracing, prompt management,\nand evaluation workflows. Captures detailed spans for every generation and\nretrieval step; supports human annotation, LLM-as-judge scoring, and\ndataset-driven regression testing. Can be self-hosted or used via Langfuse\nCloud; provides SDKs for Python, TypeScript, and OpenAI-compatible wrappers.\n"
  },
  "outgoingEdges": [
    {
      "from": "tool:langfuse",
      "to": "language:typescript",
      "kind": "belongs_to_language"
    },
    {
      "from": "tool:langfuse",
      "to": "skill-area:llm-observability",
      "kind": "tool_used_by",
      "attributes": {}
    },
    {
      "from": "tool:langfuse",
      "to": "skill-area:ai-evaluation",
      "kind": "tool_used_by",
      "attributes": {}
    },
    {
      "from": "tool:langfuse",
      "to": "skill-area:llm-observability",
      "kind": "used_for"
    },
    {
      "from": "tool:langfuse",
      "to": "tool:langsmith",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "LLM observability — Langfuse is open-source; LangSmith is commercial by LangChain"
      }
    },
    {
      "from": "tool:langfuse",
      "to": "tool:ragas",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "LLM evaluation — Langfuse is full observability; Ragas focuses on RAG metrics"
      }
    },
    {
      "from": "tool:langfuse",
      "to": "tool:braintrust-proxy",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "LLM observability and evaluation platforms"
      }
    }
  ],
  "incomingEdges": [
    {
      "from": "tool:braintrust-proxy",
      "to": "tool:langfuse",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "LLM observability and evaluation platforms"
      }
    },
    {
      "from": "tool:langsmith",
      "to": "tool:langfuse",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "LLM observability — LangSmith is commercial by LangChain; Langfuse is open-source"
      }
    },
    {
      "from": "tool:ragas",
      "to": "tool:langfuse",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "LLM evaluation — Ragas focuses on RAG metrics; Langfuse is full observability"
      }
    },
    {
      "from": "tool-server:mcp-langfuse",
      "to": "tool:langfuse",
      "kind": "integrates_with",
      "attributes": {}
    }
  ]
}