How do I install WSG Check?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is WSG Check official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 55 (Fair). The formula is published on the methodology page.

MCPpedia

WSG Check MCP Server

Name: WSG Check MCP Server
Author: ivanoats

Check websites against the W3C Web Sustainability Guidelines and look up the guidelines

Tools Versions Alternatives

Registryivanoats

55Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "ivanoats-wsg-check": {
      "command": "npx",
      "args": [
        "-y",
        "@sustainablewebsites/wsg-check@0.6.2"
      ],
      "env": {
        "WSG_CHECK_NO_LOCAL": "",
        "WSG_CHECK_ALLOW_PRIVATE": ""
      }
    }
  }
}

Install guide

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WSG Check MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

Environment

Name	Required	Notes
WSG_CHECK_NO_LOCAL	No	Set to 1 to block localhost and other loopback URLs, which are allowed by default
WSG_CHECK_ALLOW_PRIVATE	No	Set to 1 to allow private network URLs (10/8, 172.16/12, 192.168/16)

WSG Check MCP Server

Install

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