SERVER

Langfuse MCP

Rank #1,828

io.github.avivsinai/langfuse-mcp

Langfuse MCP server for accessing and analyzing telemetry data via natural language

3 versions

113 GitHub stars

by avivsinai (1 servers)View repository ↗

First listed

Jun 5, 2025

Last publish date

Oct 11, 2026

PURPOSE

What you can do with Langfuse MCP

Langfuse MCP is a Model Context Protocol (MCP) server published by avivsinai. It ranks #1,828 of 151,616 active servers on MCP Toplist, and its repository has 113 GitHub stars. Langfuse MCP is listed across 3 registries — Official MCP, Glama and mcp.so, with 3 tracked versions. It was first listed on Jun 5, 2025 and most recently updated on Oct 11, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Langfuse MCP can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Langfuse MCP

DeclaredAPI keyCredentials declared

The registry listing declares required configuration before first use — typically an API key, token or connection string set via environment variables.

Declared by Glama, last synced Oct 23, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

LANGFUSE_PUBLIC_KEY · required
LANGFUSE_SECRET_KEY · required
LANGFUSE_HOST · optional
LANGFUSE_MCP_READ_ONLY · optional

INSTALLATION AND FIRST TASK

Connect Langfuse MCP and confirm it works

Python package (PyPI)

claude mcp add langfuse-mcp -e "LANGFUSE_PUBLIC_KEY=<your LANGFUSE_PUBLIC_KEY>" -e "LANGFUSE_SECRET_KEY=<your LANGFUSE_SECRET_KEY>" -e "LANGFUSE_HOST=<your LANGFUSE_HOST>" -e "LANGFUSE_MCP_READ_ONLY=<your LANGFUSE_MCP_READ_ONLY>" -- uvx langfuse-mcp

Replace each placeholder with your own value before saving.

Python package (PyPI)

[mcp_servers.langfuse-mcp]
command = "uvx"
args = ["langfuse-mcp"]

[mcp_servers.langfuse-mcp.env]
LANGFUSE_PUBLIC_KEY = "<your LANGFUSE_PUBLIC_KEY>"
LANGFUSE_SECRET_KEY = "<your LANGFUSE_SECRET_KEY>"
LANGFUSE_HOST = "<your LANGFUSE_HOST>"
LANGFUSE_MCP_READ_ONLY = "<your LANGFUSE_MCP_READ_ONLY>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "langfuse-mcp": {
      "command": "uvx",
      "args": [
        "langfuse-mcp"
      ],
      "env": {
        "LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
        "LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
        "LANGFUSE_HOST": "<your LANGFUSE_HOST>",
        "LANGFUSE_MCP_READ_ONLY": "<your LANGFUSE_MCP_READ_ONLY>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "langfuse-mcp": {
      "command": "uvx",
      "args": [
        "langfuse-mcp"
      ],
      "env": {
        "LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
        "LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
        "LANGFUSE_HOST": "<your LANGFUSE_HOST>",
        "LANGFUSE_MCP_READ_ONLY": "<your LANGFUSE_MCP_READ_ONLY>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "servers": {
    "langfuse-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "langfuse-mcp"
      ],
      "env": {
        "LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
        "LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
        "LANGFUSE_HOST": "<your LANGFUSE_HOST>",
        "LANGFUSE_MCP_READ_ONLY": "<your LANGFUSE_MCP_READ_ONLY>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "langfuse-mcp": {
      "command": "uvx",
      "args": [
        "langfuse-mcp"
      ],
      "env": {
        "LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
        "LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
        "LANGFUSE_HOST": "<your LANGFUSE_HOST>",
        "LANGFUSE_MCP_READ_ONLY": "<your LANGFUSE_MCP_READ_ONLY>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "langfuse-mcp": {
      "command": "uvx",
      "args": [
        "langfuse-mcp"
      ],
      "env": {
        "LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
        "LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
        "LANGFUSE_HOST": "<your LANGFUSE_HOST>",
        "LANGFUSE_MCP_READ_ONLY": "<your LANGFUSE_MCP_READ_ONLY>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Jun 5, 2025
Latest version published: Oct 11, 2026
Version history: 3 versions tracked (below)
Requirements evidence: Declared by Glama, last synced Oct 23, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Oct 23, 2026

Registry sightings

Glama ↗listed since May 19, 2026 · still listed
mcp.so ↗listed since May 22, 2026 · still listed
Official MCP ↗listed since Sep 25, 2026 · still listed

Do you maintain Langfuse MCP? to correct or enrich this profile.

VERSIONS

Available versions (3)

Version	Published
0.13.0	Oct 11, 2026
0.12.1	Sep 25, 2026
0.12.0	Sep 25, 2026

STANDING

#1,828of 151,616 active serversTop 5%

Ranks ahead of 149,788 of 151,616 servers on MCP Toplist.

Recent momentum

+29GitHub stars since Apr 27 (+35%)

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.avivsinai%2Flangfuse-mcp.svg)](https://mcptoplist.com/server/io.github.avivsinai%2Flangfuse-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.avivsinai%2Flangfuse-mcp"><img src="https://mcptoplist.com/badge/io.github.avivsinai%2Flangfuse-mcp.svg" alt="MCP Toplist: Top 5% of 151,616" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Langfuse MCP?: Langfuse MCP is maintained by avivsinai, which publishes 1 MCP server (3 total versions) tracked on MCP Toplist.
Is Langfuse MCP listed on the Official MCP Registry?: Yes — Langfuse MCP is listed on the Official MCP Registry, alongside Glama and mcp.so.
How many versions does Langfuse MCP have?: MCP Toplist tracks 3 versions of Langfuse MCP, most recently published on Oct 11, 2026.
Where can I find the source code for Langfuse MCP?: The source code for Langfuse MCP is hosted at github.com/avivsinai/langfuse-mcp.

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