Lighthouse MCP Server

@priyankark

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基本情報

カテゴリ

開発者ツール

ライセンス

MIT

トランスポート

stdio

作者

priyankark

投稿者

Priyankar Kumar

Lighthouse MCP Server について

Allows AI assistants such as Amp/Cline/Cursor/Claude Code/Codex/GitHub Copilot to use Google's lighthouse tool to measure perf metrics for your webpage. You can then run an agentic loop and get the assistants to optimize those metrics!

#lighthouse#web-perf#seo

Lighthouse MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "lighthouse": {
      "command": "npx",
      "args": [
        "lighthouse-mcp"
      ],
      "disabled": false,
      "autoApprove": []
    }
  }
}

Lighthouse MCP Server のツール

Run a Lighthouse audit on a URL

Get just the performance score for a URL

概要

What is Lighthouse Mcp?

Lighthouse Mcp is an MCP server that wraps Google’s Lighthouse tool to measure performance, accessibility, SEO, and other web page metrics. It is designed for developers and site owners who want automated audits through MCP‑compatible clients like Claude.

How to use Lighthouse Mcp?

Install via the MCP Registry, npx lighthouse-mcp, npm install -g lighthouse-mcp, or local clone and build. Then add a lighthouse entry to your MCP settings file with the appropriate command and args. Once configured, ask Claude or another MCP client to audit a URL.

Key features of Lighthouse Mcp

Run comprehensive Lighthouse audits on any URL
Get performance scores and metrics
Configure device emulation (mobile/desktop)
Control network throttling on/off
Select specific audit categories (performance, accessibility, best‑practices, SEO, PWA)

Use cases of Lighthouse Mcp

Audit a web page’s performance score before a release
Compare mobile vs desktop performance for a site
Check accessibility and SEO compliance automatically
Integrate Lighthouse audits into an AI‑assisted development workflow
Test how throttling affects page load metrics

よくある質問

What are the runtime requirements?

Node.js 16 or later and a Chrome/Chromium browser installed on the system.

How do I install Lighthouse Mcp?

You can install via the MCP Registry, run directly with `npx lighthouse-mcp`, install globally with `npm install -g lighthouse-mcp`, or clone the repo and build locally.

What parameters does the `run_audit` tool accept?

It requires a `url`, and optionally accepts `categories` (array from "performance", "accessibility", "best-practices", "seo", "pwa"), `device` ("mobile" or "desktop", default "mobile"), and `throttling` (boolean, default true).

Can I get only the performance score without a full audit?

Yes, the `get_performance_score` tool returns just the performance score for a URL, with an optional `device` parameter.

Does Lighthouse Mcp work with Claude Desktop?

Yes, it is designed for use with MCP clients including Claude Desktop; example usage shows asking Claude for a performance score.

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