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 who work with lighthouse and audit webpage ai and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-13 · ★ 208 · #29 OF 945 MAINTAINED OTHER · VERIFIED 2026-09-18

MIT · TypeScript 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.

Latest releases

v0.1.17 · 2026-09-13

Allow SaaS workers to set AUDIT_ALLOW_LOOPBACK=false so all loopback destinations are rejected by the existing validating proxy. Local MCP usage retains its current localhost support. · npm test (build and network…

04 · Who maintains Lighthouse MCP

lighthouse-mcp is maintained by priyankark. We track 2 MCP servers from priyankark - 1 actively maintained, 208 combined GitHub stars, oldest repo from Apr 2025.

05 · Facts

repository: github.com/priyankark/lighthouse-mcp
category: other - ranked #29 of 945 actively-maintained other servers as of 2026-09-18.
release cadence: 1 release in the last 90 days (latest 2026-09-13)
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 2026-09-18, its last commit was 2026-09-13 and it shipped 1 release in the last 90 days. 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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