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Multiplexer

Verified Integration
Author: @lpmwfx•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Git#Filesystem#AI#GitHub#Node.js

Client Configuration

— Connect Multiplexer to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "multiplexer": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-multiplexer"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Unifies multiple MCP servers into a single, resilient interface, routing tool calls and managing server lifecycles for seamless integration with Claude Code.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Multiplexer

It aggregates tools from various MCP servers with namespace prefixes, transparently routes tool calls to the correct underlying server, and manages their lifecycles. This allows Claude Code to interact with numerous tools as if they were from a single source.

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