What is the key difference between Langfuse Mcp and Last9 Mcp Server?

Langfuse Mcp belongs to the Monitoring category with local stdio execution, while Last9 Mcp Server belongs to the Monitoring category with local stdio execution.

How do I install Langfuse Mcp or Last9 Mcp Server in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Langfuse Mcp and Last9 Mcp Server free or paid?

Langfuse Mcp operates under a BYOK (Pay Provider Direct) model (API Key required). Last9 Mcp Server operates under a Freemium model (OAuth 2.0).

Which MCP server has more tools and community activity?

Langfuse Mcp lists 27 tools with 2 views and 1 GitHub stars. Last9 Mcp Server lists 80 tools with 4 views and 59 GitHub stars.

Can I use both Langfuse Mcp and Last9 Mcp Server together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install Langfuse Mcp or Last9 Mcp Server in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Langfuse Mcp and Last9 Mcp Server free to use, or do they require API keys?

Langfuse Mcp is listed under a BYOK (Pay Provider Direct) model with API Key required . Last9 Mcp Server operates under a Freemium model with OAuth 2.0 . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Langfuse Mcp and Last9 Mcp Server at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both hugoles-langfuse-mcp and last9-last9-mcp-server as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Langfuse Mcp has a Quality Score of 53 /100 ( Good ) with 2 views, 0 installs, and 1 GitHub stars. Last9 Mcp Server holds a Quality Score of 51 /100 ( Good ) with 4 views, 0 installs, and 59 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Langfuse Mcp vs Last9 Mcp Server

In-depth architectural comparison of the Langfuse Mcp and Last9 Mcp Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Langfuse Mcp

Monitoring · Local stdio

Quality: 53/100 (Good) | Auth: API Key required

Last9 Mcp Server

Monitoring · Local stdio

Quality: 51/100 (Good) | Auth: OAuth 2.0

Verdict Summary: Choose Langfuse Mcp if you need specialized Monitoring tools running via a local process. Choose Last9 Mcp Server if your workspace requires Monitoring integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Langfuse Mcp when:

You need dedicated capabilities in the Monitoring domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: LANGFUSE_PUBLIC_KEY.
Primary tools included: listTraces, getTrace, listObservations.

Explore Langfuse Mcp Details

Choose Last9 Mcp Server when:

You need dedicated capabilities in the Monitoring domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: OAuth 2.0 (Freemium).
You have access to required keys: LAST9_REFRESH_TOKEN, LAST9_DATASOURCE, LAST9_API_HOST, LAST9_TOOLSETS.
Primary tools included: start_time_iso, end_time_iso, time_iso.

Feature & Specification Comparison

Specification	Langfuse Mcp hugoles Monitoring	Last9 Mcp Server last9 Monitoring
Summary	TypeScript MCP server for the Langfuse Public API. 27 read tools covering traces, observations, sessions, scores, score-configs, prompts (with version/label), datasets, dataset items, dataset runs, metrics, models, projects, comments, media, and health. Distributed as npx -y langfuse-mcp with provenance-signed releases.	Seamlessly bring real-time production context—logs, metrics, and traces—into your local environment to auto-fix code faster
Category & Scope

Tools & Capabilities Breakdown

Langfuse Mcp Tools (27)

listTraces

List traces with filters. Returns summary metadata.

getTrace

Fetch a single trace by id including the full observation tree.

listObservations

List spans, generations, and events with filters.

getObservation

Fetch a single observation by id.

listSessions

List sessions within a time range.

getSession

Fetch a session by id, including its traces.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Langfuse Mcp Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "hugoles-langfuse-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "langfuse-mcp"
      ],
      "env": {
        "LANGFUSE_PUBLIC_KEY": "YOUR_LANGFUSE_PUBLIC_KEY_HERE"
      }
    }
  }
}

Last9 Mcp Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "last9-last9-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "last9-last9-mcp-server"
      ],
      "env": {
        "LAST9_REFRESH_TOKEN": "YOUR_LAST9_REFRESH_TOKEN_HERE",
        "LAST9_DATASOURCE": "YOUR_LAST9_DATASOURCE_HERE",
        "LAST9_API_HOST": "YOUR_LAST9_API_HOST_HERE",
        "LAST9_TOOLSETS": "YOUR_LAST9_TOOLSETS_HERE"
      }
    }
  }
}

Frequently Asked Questions

Langfuse Mcp is categorized under Monitoring and uses a local stdio subprocess. In contrast, Last9 Mcp Server belongs to Monitoring using local stdio subprocess. Select Langfuse Mcp when you need capabilities focused on monitoring and Last9 Mcp Server when you require tools for monitoring.

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