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langfuse

Indexed by com.pulsemcp

About

MCP server for Langfuse LLM observability — trace and observation analysis.

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

Transportstdio (runs a local command)
Env varsLANGFUSE_SECRET_KEY LANGFUSE_PUBLIC_KEY LANGFUSE_BASE_URL
Claude Code
claude mcp add --env LANGFUSE_SECRET_KEY= --env LANGFUSE_PUBLIC_KEY= --env LANGFUSE_BASE_URL= langfuse -- npx langfuse-observability-mcp-server
Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code
code --add-mcp '{"name":"langfuse","command":"npx","args":["langfuse-observability-mcp-server"],"env":{"LANGFUSE_SECRET_KEY":"","LANGFUSE_PUBLIC_KEY":"","LANGFUSE_BASE_URL":""}}'
JSON
{
  "mcpServers": {
    "langfuse": {
      "command": "npx",
      "args": [
        "langfuse-observability-mcp-server"
      ],
      "env": {
        "LANGFUSE_SECRET_KEY": "",
        "LANGFUSE_PUBLIC_KEY": "",
        "LANGFUSE_BASE_URL": ""
      }
    }
  }
}

Environment variables are listed by name only — fill in your own values. Entries never carry secrets.