UCM — Universal Commerce Marketplace for Claude Desktop

io.github.ucmai/ucm

API marketplace for AI agents — 100 services, 87 free, one API key

client:Claude Desktop transport:stdio runtime:npm

Install UCM — Universal Commerce Marketplace in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "ucm": {
      "command": "npx",
      "args": [
        "-y",
        "@ucm/mcp-server"
      ]
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs