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Lighthouse MCP

Lighthouse MCP is an MCP server that wraps around Google's Lighthouse tool to help measure various performance metrics for web pages. This server is available in the Model Context Protocol Registry. Install it using your MCP client or Claude Desktop. It has 214 GitHub stars, is released under the MIT license and runs locally with npx -y lighthouse-mcp.

github.com/priyankark/lighthouse-mcp (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

View on GitHub (opens in a new tab)

Install Lighthouse MCP

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "lighthouse-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "lighthouse-mcp"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio lighthouse-mcp -- npx -y lighthouse-mcp

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "lighthouse-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "lighthouse-mcp"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "lighthouse-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "lighthouse-mcp"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Tools (5)

Parsed from the Tools section of the README; check the repository for the current list.

  • run_audit

    Run a comprehensive Lighthouse audit on a URL.

  • categories

    Array of categories to audit (defaults to all)

  • device

    Device to emulate (defaults to "mobile")

  • throttling

    Whether to apply network throttling (defaults to true)

  • get_performance_score

    Get just the performance score for a URL.

About Lighthouse MCP

An MCP server that wraps around Google's Lighthouse tool to help measure various performance metrics for web pages. This server is available in the Model Context Protocol Registry. Install it using your MCP client or Claude Desktop.

  • lighthouse
  • audit-webpage-ai
  • lighthouse-ai
  • lighthouse-mcp

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FAQ

Lighthouse MCP FAQ

Still curious? Email info@appsgit.com.

How do I install the Lighthouse MCP MCP server?

Add the command npx -y lighthouse-mcp to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Lighthouse MCP free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Lighthouse MCP actively maintained?

The most recent commit was on Sep 13, 2026. The latest release is v0.1.17, published Sep 13, 2026. appsgit only lists MCP servers with a commit in the last six months.