langfuse
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 vars
LANGFUSE_SECRET_KEY LANGFUSE_PUBLIC_KEY LANGFUSE_BASE_URLClaude Code
claude mcp add --env LANGFUSE_SECRET_KEY= --env LANGFUSE_PUBLIC_KEY= --env LANGFUSE_BASE_URL= langfuse -- npx langfuse-observability-mcp-server
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.