langfuse-mcp

Skill · PyPI · ★ 113 · graded 2026-10-19Source linked

A Model Context Protocol (MCP) server for Langfuse, enabling AI agents to query Langfuse trace data for enhanced debugging and observability

No outside reports on file

langfuse-mcp is distributed via PyPI (langfuse-mcp); review its source code, dependencies, and requested permissions before use.

Based on public adoption and transparency signals as of Oct 19, 2026. Our opinion, not a code audit or security guarantee.

Was this verdict for Langfuse MCP helpful?

What it can access

Local filesNo local folder access notedLOW
Command executionRuns shell or system commandsREVIEW
Network reachConnects to outside service APINOTED
CredentialsNo API token requiredLOW
Package sourcePyPI (langfuse-mcp)PUBLIC

Inferred from this listing’s public package details and description. Check the project’s source before installing.

Install

uvx langfuse-mcp

All setup options ↓

Check this skill Watch it in my stack Compare Add to allowlist README badge View project

About Langfuse MCP

Langfuse MCP is an agent skill focused on Developer tools and Data & databases: A Model Context Protocol (MCP) server for Langfuse, enabling AI agents to query Langfuse trace data for enhanced debugging and observability.

It is published on PyPI as langfuse-mcp and hosted on GitHub at avivsinai/langfuse-mcp (113 GitHub stars). Based on its public metadata, it operates with standard local or API scope without broad shell execution flags noted.

Setup

Check these steps against the project’s own instructions before running anything.

Run the PyPI package langfuse-mcp in an isolated environment:

bash

uvx langfuse-mcp

See https://github.com/avivsinai/langfuse-mcp (opens external site) for required environment variables.

Why this grade

CC — Moderate risk signals

Signal-based grade (2/7 points): public source code. This reflects adoption and transparency, not a code review.

Popularity and upkeep

28/100

GitHub stars: 113
Listing last refreshed: 2026-10-29

These are public popularity signals, not a maintenance check. Look at the repository’s commit history and open issues.

Security reports

No reports found for this package in our research (last checked 2026-10-30).

Check a specific version →

Risks to watch for

Dependency & version pinning: Distributed via PyPI (langfuse-mcp). Pin an exact release version or commit SHA rather than floating tags so upstream updates are reviewed first.

How to lower the risk

Least-privilege permissions

Give it access only to the specific folders, accounts or projects it needs, never your whole drive or admin account.
Use a separate, limited API key or login just for this tool so you can switch it off without affecting anything else.

Network isolation

Run it on a work computer or sandbox account, not one holding personal or company-sensitive data.
If your IT team can, limit which websites and services it is allowed to contact.

Monitoring

Check its activity history or logs weekly at first, and look at what it changed or sent.
Turn on alerts for new logins or unusual usage on any account it connects to.

Red flags to watch for

It asks for more access than its job requires, or prompts you to paste passwords.
It suddenly updates with new owners, or starts contacting unfamiliar websites.

Questions

How do I install Langfuse MCP?

Run uvx langfuse-mcp (or pip install langfuse-mcp) in your terminal. Full setup docs and environment variables are in github.com/avivsinai/langfuse-mcp.

Are there security reports about Langfuse MCP?

No reports found for this package in our research (last checked 2026-10-30). Langfuse MCP currently holds Grade C (Moderate risk signals) based on public adoption and transparency signals. Key risk areas to watch include dependency & version pinning:.

Is Langfuse MCP actively maintained?

Langfuse MCP has 113 GitHub stars. Our directory data was last refreshed on 2026-10-29. Check recent commit activity, release tags, and open issues at github.com/avivsinai/langfuse-mcp before pinning it in production.

What are alternatives to Langfuse MCP?

Compare Langfuse MCP side by side with similar skills in the Related tools section on this page, or browse all skills on AgentArmorHQ.

Maintain or use Langfuse MCP? Show its live grade in your GitHub README, docs site, or run a check from the terminal before you install.

AgentArmorHQ Risk Grade C for Langfuse MCP

GitHub README Markdown:

markdown

[![AgentArmorHQ Risk Grade for Langfuse MCP](https://agentarmorhq.com/api/badge/avivsinai-langfuse-mcp)](https://agentarmorhq.com/skills/avivsinai-langfuse-mcp)

HTML embed:

html

<a href="https://agentarmorhq.com/skills/avivsinai-langfuse-mcp"><img src="https://agentarmorhq.com/api/badge/avivsinai-langfuse-mcp" alt="AgentArmorHQ Risk Grade for Langfuse MCP" height="20" /></a>

Terminal check:

terminal

curl -fsSL https://agentarmorhq.com/api/cli | node --input-type=module - check "avivsinai-langfuse-mcp"

Share with your security lead

Need sign-off to use langfuse-mcp? Copy this note for Slack, a ticket or a pull request.

### AgentArmorHQ Security Review Memo: langfuse-mcp
- **Listing URL:** https://agentarmorhq.com/skills/avivsinai-langfuse-mcp
- **Type:** AI agent skill
- **Risk Grade:** Grade C (Moderate risk signals)
- **Outside Security Advisories on File:** 0
- **Public Adoption:** 113 GitHub stars

#### Permission & Blast-Radius Signals
- **Local files:** No local folder access noted
- **Command execution:** Runs shell or system commands
- **Network reach:** Connects to outside service API
- **Credentials:** No API token required
- **Package source:** PyPI (langfuse-mcp)

#### Recommended Hardened Setup
- **Command:** `uvx langfuse-mcp`
- **Controls:** Pin an exact version in `.mcp.json`, scope access to a single workspace folder, and use a least-privilege read-only token where supported.

_Based on public adoption and transparency signals as of Oct 19, 2026. Our opinion, not a code audit or security guarantee._

Key facts

Type: AI agent skill
Publisher: avivsinai
Source code: github.com/avivsinai/langfuse-mcp
Install command: pip install langfuse-mcp
Est. context load: ~62 tokens idle · ~450 tokens when active (on-demand skill)
Popularity: 113 GitHub stars
Last updated: 2026-10-29
Last graded: 2026-10-19

Community

Discussions for Langfuse MCP

Ask questions or share configuration tips. Governed by our Community Rules & Terms.

No posts match this filter yet.

Be the first to ask a question or share a working tip.

Was this listing for Langfuse MCP helpful?

Check before you install, in Claude

Your assistant answers Block, Review or No known issues for any package before it installs it.

Get this check inside Claude