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modelmux

Official registry AI and agents

Model multiplexer — route tasks to Codex, Gemini, and Claude CLIs with smart routing.

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

PYPI package modelmux
Claude Code 
claude mcp add modelmux -- uvx modelmux==0.4.3
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "modelmux": {
            "command": "uvx",
            "args": [
                "modelmux==0.4.3"
            ]
        }
    }
}

Frequently asked questions

What is modelmux?

Model multiplexer — route tasks to Codex, Gemini, and Claude CLIs with smart routing.

How do I install modelmux?

It runs on your machine. In Claude Code: claude mcp add modelmux -- uvx modelmux==0.4.3. For other clients, paste the JSON configuration from this page into their MCP settings.

Does modelmux need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is modelmux open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains modelmux?

It is published by pure-maple. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.