How to Use the Google Lighthouse SEO Auditor MCP in Cursor

Run Google Lighthouse audits and write performance fixes directly in your Cursor editor.

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Connect Google Lighthouse SEO Auditor MCP to Cursor

Create your Vinkius account to connect Google Lighthouse SEO Auditor to Cursor and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Google Lighthouse SEO Auditor with Cursor

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Audit production sites while writing code

Trigger the `run_lighthouse_audit` tool directly inside your workspace to check live performance metrics. This MCP Server lets your editor interact directly with Google's testing suite without switching to a browser. Your agent fetches live scores and diagnostic data. You can inspect performance, accessibility, and SEO metrics side-by-side with your active codebase.

Generate precise code fixes in Cursor

The `run_lighthouse_audit` tool pinpoints the exact files and lines of code causing performance bottlenecks. Raw audit data becomes a clear action plan immediately. Because Cursor works directly with your files, your agent can take these API responses and immediately rewrite your CSS, defer heavy scripts, or optimize images. You get working code fixes based on real performance data.

Fix render-blocking resources instantly

Expose critical assets that block your page from rendering by executing the `run_lighthouse_audit` tool. This check reveals the exact scripts and stylesheets that block your page from rendering. Once identified, you can instruct your agent to split bundles, lazy-load assets, or inline critical styles. The entire cycle happens inside your editor.

Setup guide

Set up Google Lighthouse SEO Auditor MCP in Cursor

Prerequisites

Cursor installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP Settings

Go to Cursor Settings → MCP or open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and search for "MCP: Add Server".
2

Add the Google Lighthouse SEO Auditor MCP

Cursor will create or open .cursor/mcp.json in your project root. Paste the JSON snippet on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Enable Agent mode

Open Composer (Cmd+I / Ctrl+I) and switch to Agent mode using the dropdown at the top. MCP tools are only available in Agent mode.
4

Verify the connection

Ask Cursor something like "List my recent Google Lighthouse SEO Auditor transactions." If the MCP tools are loaded correctly, Cursor will call the Google Lighthouse SEO Auditor tools automatically. You can also check Settings → MCP for a green status indicator.

.cursor/mcp.json

{
  "mcpServers": {
    "google-lighthouse-seo-auditor-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Google PageSpeed. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Google Lighthouse SEO Auditor MCP in Cursor

Create or edit your config file in your project root and add the server details under the mcpServers key. Save the file to register the MCP Server.

The PageSpeed API cannot access local development servers directly. To audit your local changes, expose your localhost port using a tunneling service before executing the audit command through the MCP Server.

Your agent runs the audit tool to pull live metrics, then scans your project files for the matching assets. It then rewrites your HTML, CSS, or JS to fix the specific issues flagged by Google.

No, you can run audits using Google's public endpoint. However, getting a free PageSpeed API key and adding it to your MCP configuration is highly recommended to avoid rate limits during long coding sessions.

The server only transmits the target URL to Google's PageSpeed API to retrieve performance diagnostics. Your local source files and editor contents are never shared with external APIs, ensuring complete code privacy.

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