Lighthouse MCP

An MCP server that wraps around Google's Lighthouse tool to help measure various performance metrics for web pages. It runs locally over stdio via the published package.

People connecting this server to Claude, Cursor, VS Code, or another MCP client. The project is written in JavaScript.

VERIFIED ACTIVE

LAST COMMIT 2026-05-23 · ★ 204 · #130 OF 848 MAINTAINED OTHER · VERIFIED 2026-08-25

MIT · JavaScript servers · how we verify → /methodology

01 · Install Lighthouse MCP

Claude Code

claude mcp add priyankark-lighthouse-mcp -- npx -y lighthouse-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "priyankark-lighthouse-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "lighthouse-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package lighthouse-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.priyankark is GitHub-verified and matches the repo owner

03 · What Lighthouse MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can run a comprehensive Lighthouse audit on a URL, and get just the performance score for a URL.

The 2 tools it gives your agent

Extracted from the project's README - what lighthouse-mcp lets an agent do.

run_audit: - Run a comprehensive Lighthouse audit on a URL.
get_performance_score: - Get just the performance score for a URL.

04 · Who maintains Lighthouse MCP

lighthouse-mcp is maintained by priyankark. It's the only MCP server we track from this author; the repo dates to Apr 2025.

05 · Facts

repository: github.com/priyankark/lighthouse-mcp
category: other - ranked #130 of 848 actively-maintained other servers as of 2026-08-25.
registry: io.github.priyankark/lighthouse-mcp (active, first published 2025-09-09 · 2 versions)
packages: npm:lighthouse-mcp

06 · Lighthouse MCP FAQ

What is Lighthouse MCP?

An MCP server that wraps around Google's Lighthouse tool to help measure various performance metrics for web pages. It runs locally over stdio via the published package.

Is Lighthouse MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-05-23. We re-verify nightly.

How do I install Lighthouse MCP?

Run `npx -y lighthouse-mcp`. You can also paste the ready-made client config above.

Does Lighthouse MCP run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Lighthouse MCP

Alternatives to Lighthouse MCP

Maintained other servers if Lighthouse MCP isn't the fit.

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