qwen-code/packages/cli/src/commands/extensions/examples/mcp-server/qwen-extension.json

{
  "name": "mcp-server-example",
  "version": "1.0.0",
  "mcpServers": {
    "nodeServer": {
      "command": "node",
      "args": ["${extensionPath}${/}dist${/}example.js"],
      "cwd": "${extensionPath}"
    }
  }
}