What is the key difference between MCP Server Langfuse and Magic MCP?

MCP Server Langfuse belongs to the Developer Tools category with local stdio execution, while Magic MCP belongs to the Developer Tools category with local stdio execution.

How do I install MCP Server Langfuse or Magic MCP 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 MCP Server Langfuse and Magic MCP free or paid?

MCP Server Langfuse operates under a BYOK (Pay Provider Direct) model (API Key required). Magic MCP operates under a Paid Service model (API Key required).

Which MCP server has more tools and community activity?

MCP Server Langfuse lists 2 tools with 3 views and 173 GitHub stars. Magic MCP lists 6 tools with 16 views and 5,886 GitHub stars.

Can I use both MCP Server Langfuse and Magic MCP 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.

Side-by-Side Model Context Protocol Comparison

MCP Server Langfuse vs Magic MCP

In-depth architectural comparison of the MCP Server Langfuse and Magic MCP 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

MCP Server Langfuse

Developer Tools · Local stdio

Quality: 47/100 (Fair) | Auth: API Key required

Magic MCP

Developer Tools · Local stdio

Quality: 51/100 (Good) | Auth: API Key required

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

Which MCP Server Should You Choose?

Choose MCP Server Langfuse when:

You need dedicated capabilities in the Developer Tools 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, LANGFUSE_SECRET_KEY, LANGFUSE_BASEURL.
Primary tools included: get-prompts, get-prompt.

Explore MCP Server Langfuse Details

Choose Magic MCP when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Paid Service).
You have access to required keys: TWENTY_FIRST_API_KEY, API_KEY_21ST.
Primary tools included: UI component generation, Component, theme, and template search, Design inspiration lookup.

Feature & Specification Comparison

Specification	MCP Server Langfuse langfuse Developer Tools	Magic MCP 21st-dev Developer Tools
Summary	MCP server to access and manage LLM application prompts created with Langfuse) Prompt Management.	Create crafted UI components inspired by the best 21st.dev design engineers.
Category & Scope	Developer Tools

Tools & Capabilities Breakdown

MCP Server Langfuse Tools (2)

get-prompts

List available prompts

get-prompt

Retrieve and compile a specific prompt

Magic MCP Tools (6)

UI component generation

Component, theme, and template search

Design inspiration lookup

Generated UI variants

Legacy Magic tool-name compatibility

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).

MCP Server Langfuse Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "langfuse-mcp-server-langfuse": {
      "command": "npx",
      "args": [
        "-y",
        "langfuse-mcp-server-langfuse"
      ],
      "env": {
        "LANGFUSE_PUBLIC_KEY": "YOUR_LANGFUSE_PUBLIC_KEY_HERE",
        "LANGFUSE_SECRET_KEY": "YOUR_LANGFUSE_SECRET_KEY_HERE",
        "LANGFUSE_BASEURL": "YOUR_LANGFUSE_BASEURL_HERE"
      }
    }
  }
}

Magic MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "21st-dev-magic-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@21st-dev/cli@latest"
      ],
      "env": {
        "TWENTY_FIRST_API_KEY": "YOUR_TWENTY_FIRST_API_KEY_HERE",
        "API_KEY_21ST": "YOUR_API_KEY_21ST_HERE"
      }
    }
  }
}

Frequently Asked Questions

MCP Server Langfuse is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Magic MCP belongs to Developer Tools using local stdio subprocess. Select MCP Server Langfuse when you need capabilities focused on developer tools and Magic MCP when you require tools for developer tools.

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