SERVER

Google CrUX MCP

Rank #19,387

io.github.A1-x-Tech/mcp-google-crux

Real-user Core Web Vitals from the Chrome UX Report (CrUX) API for any origin or URL.

4 versions

by A1-x-Tech (24 servers)View repository ↗

First listed

Aug 9, 2026

Last publish date

Aug 18, 2026

PURPOSE

What you can do with Google CrUX MCP

Google CrUX MCP is a Model Context Protocol (MCP) server published by A1-x-Tech. It ranks #19,387 of 144,396 active servers on MCP Toplist. Google CrUX MCP is listed across 2 registries — Official MCP and Glama, with 4 tracked versions. It was first listed on Aug 9, 2026 and most recently updated on Aug 18, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Google CrUX MCP can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Google CrUX MCP

DeclaredAPI keyCredentials declared

The registry listing declares required configuration before first use — typically an API key, token or connection string set via environment variables.

Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

CRUX_API_KEY · required
CRUX_API_BASE · optional
CRUX_TIMEOUT_MS · optional
CRUX_MAX_RETRIES · optional

INSTALLATION AND FIRST TASK

Connect Google CrUX MCP and confirm it works

npm package

claude mcp add mcp-google-crux -e "CRUX_API_KEY=<your CRUX_API_KEY>" -e "CRUX_API_BASE=<your CRUX_API_BASE>" -e "CRUX_TIMEOUT_MS=<your CRUX_TIMEOUT_MS>" -e "CRUX_MAX_RETRIES=<your CRUX_MAX_RETRIES>" -- npx -y mcp-google-crux

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.mcp-google-crux]
command = "npx"
args = ["-y", "mcp-google-crux"]

[mcp_servers.mcp-google-crux.env]
CRUX_API_KEY = "<your CRUX_API_KEY>"
CRUX_API_BASE = "<your CRUX_API_BASE>"
CRUX_TIMEOUT_MS = "<your CRUX_TIMEOUT_MS>"
CRUX_MAX_RETRIES = "<your CRUX_MAX_RETRIES>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mcp-google-crux": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-google-crux"
      ],
      "env": {
        "CRUX_API_KEY": "<your CRUX_API_KEY>",
        "CRUX_API_BASE": "<your CRUX_API_BASE>",
        "CRUX_TIMEOUT_MS": "<your CRUX_TIMEOUT_MS>",
        "CRUX_MAX_RETRIES": "<your CRUX_MAX_RETRIES>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mcp-google-crux": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-google-crux"
      ],
      "env": {
        "CRUX_API_KEY": "<your CRUX_API_KEY>",
        "CRUX_API_BASE": "<your CRUX_API_BASE>",
        "CRUX_TIMEOUT_MS": "<your CRUX_TIMEOUT_MS>",
        "CRUX_MAX_RETRIES": "<your CRUX_MAX_RETRIES>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "mcp-google-crux": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-google-crux"
      ],
      "env": {
        "CRUX_API_KEY": "<your CRUX_API_KEY>",
        "CRUX_API_BASE": "<your CRUX_API_BASE>",
        "CRUX_TIMEOUT_MS": "<your CRUX_TIMEOUT_MS>",
        "CRUX_MAX_RETRIES": "<your CRUX_MAX_RETRIES>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mcp-google-crux": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-google-crux"
      ],
      "env": {
        "CRUX_API_KEY": "<your CRUX_API_KEY>",
        "CRUX_API_BASE": "<your CRUX_API_BASE>",
        "CRUX_TIMEOUT_MS": "<your CRUX_TIMEOUT_MS>",
        "CRUX_MAX_RETRIES": "<your CRUX_MAX_RETRIES>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mcp-google-crux": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-google-crux"
      ],
      "env": {
        "CRUX_API_KEY": "<your CRUX_API_KEY>",
        "CRUX_API_BASE": "<your CRUX_API_BASE>",
        "CRUX_TIMEOUT_MS": "<your CRUX_TIMEOUT_MS>",
        "CRUX_MAX_RETRIES": "<your CRUX_MAX_RETRIES>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by A1-x-Tech

View all A1-x-Tech servers →

No task-specific alternatives are catalogued for Google CrUX MCPyet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Aug 9, 2026
Latest version published: Aug 18, 2026
Version history: 4 versions tracked (below)
Requirements evidence: Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Oct 16, 2026

Registry sightings

Official MCP ↗listed since Aug 9, 2026 · still listed
Glama ↗listed since Aug 10, 2026 · still listed

Do you maintain Google CrUX MCP? to correct or enrich this profile.

VERSIONS

Available versions (4)

Version	Published
1.1.0	Aug 18, 2026
1.0.0	Aug 11, 2026
0.1.1	Aug 10, 2026
0.1.0	Aug 9, 2026

STANDING

#19,387of 144,396 active serversTop 25%

Ranks ahead of 125,009 of 144,396 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.A1-x-Tech%2Fmcp-google-crux.svg)](https://mcptoplist.com/server/io.github.A1-x-Tech%2Fmcp-google-crux)

HTML

<a href="https://mcptoplist.com/server/io.github.A1-x-Tech%2Fmcp-google-crux"><img src="https://mcptoplist.com/badge/io.github.A1-x-Tech%2Fmcp-google-crux.svg" alt="MCP Toplist: Top 25% of 144,396" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Google CrUX MCP?: Google CrUX MCP is maintained by A1-x-Tech, which publishes 24 MCP servers (91 total versions) tracked on MCP Toplist.
Is Google CrUX MCP listed on the Official MCP Registry?: Yes — Google CrUX MCP is listed on the Official MCP Registry, alongside Glama.
How many versions does Google CrUX MCP have?: MCP Toplist tracks 4 versions of Google CrUX MCP, most recently published on Aug 18, 2026.
Where can I find the source code for Google CrUX MCP?: The source code for Google CrUX MCP is hosted at github.com/A1-x-Tech/mcp-google-crux.

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