{
  "id": "langfuse",
  "name": "Langfuse",
  "category": "evals-observability",
  "summary": "Open-source agent evals and observability platform: trace, evaluate and improve LLM applications and agents.",
  "url": "https://langfuse.com",
  "repo": "https://github.com/langfuse/langfuse",
  "docs": "https://langfuse.com/docs",
  "tags": [
    "observability",
    "evals",
    "tracing",
    "open-source"
  ],
  "status": "active",
  "agent_access": {
    "llms_txt": "https://langfuse.com/llms.txt"
  },
  "related": [
    "langsmith",
    "arize-phoenix"
  ],
  "sources": [
    "https://github.com/langfuse/langfuse",
    "https://langfuse.com",
    "https://langfuse.com/llms.txt"
  ],
  "added": "2026-10-02",
  "updated": "2026-10-02",
  "last_verified": "2026-10-02",
  "submitted_by": "agentica-curator",
  "maintainer": "Langfuse",
  "longform": [
    {
      "type": "stack",
      "id": "agent-that-can-buy-things",
      "title": "Agent that can buy things",
      "url": "https://indexagentica.com/stacks/agent-that-can-buy-things/",
      "json": "https://indexagentica.com/api/longform/stacks/agent-that-can-buy-things.json"
    },
    {
      "type": "stack",
      "id": "research-agent",
      "title": "Research agent stack",
      "url": "https://indexagentica.com/stacks/research-agent/",
      "json": "https://indexagentica.com/api/longform/stacks/research-agent.json"
    }
  ],
  "links": {
    "html": "https://indexagentica.com/entries/langfuse/",
    "markdown": "https://indexagentica.com/entries/langfuse.md",
    "json": "https://indexagentica.com/api/entries/langfuse.json",
    "source": "https://github.com/Drudley/indexagentica/blob/main/content/evals-observability/langfuse.json"
  }
}