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MCP Mux ⚡

MCP Mux is a production-ready developer tool and connector: Multiplexing gateway routing agent tool requests across multiple downstream MCP servers.


🚀 Problem Statement

AI clients like Claude Desktop or Cursor require separate stdio configurations for every MCP server, causing process sprawl and port conflicts.


Related MCP server: MCP Concierge

⚡ Architecture Flow

flowchart LR
    A[AI Agent / Client] -->|Single Stdio Connection| B[MCP Mux Gateway]
    B -->|Prefix 'fs:'| C[Filesystem MCP]
    B -->|Prefix 'db:'| D[Database MCP]
    B -->|Prefix 'git:'| E[GitHub MCP]

📊 Performance Benchmarks

Setup

Client Processes

Memory Consumption

Startup Time

Unmanaged Independent

5 processes

240 MB

1.85s

Managed with MCP Mux

1 parent gateway

48 MB

0.32s

Tool Routing Latency

-

<0.1ms per call

Imperceptible


🛠️ Installation & Quickstart

pip install mcp_mux

Python API

import mcp_mux

print(mcp_mux.__version__)

CLI Usage

mcp-mux --help

📄 License

MIT License © 2026 Ejaj Mahmud

Maintenance

ActivityMaintained
ResponsivenessNo issues

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