modelmux for Windsurf

io.github.pure-maple/modelmux

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

client:Windsurf transport:stdio runtime:pypi

Install modelmux in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

{
  "mcpServers": {
    "modelmux": {
      "command": "uvx",
      "args": [
        "modelmux"
      ]
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs