Mantis for Claude Desktop

io.github.vulinh1704/mantis

Real-browser UI checks and speed audits for coding agents, catching fixes that only hide the bug.

client:Claude Desktop transport:stdio runtime:npm

Install Mantis in Claude Desktop

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

{
  "mcpServers": {
    "mantis": {
      "command": "npx",
      "args": [
        "-y",
        "@vulinh1704/mantis"
      ]
    }
  }
}

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