WSG Check MCP Server

io.github.ivanoats/wsg-check

Repository Registry

What is the WSG Check MCP server?

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

How to install WSG Check

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

WSG_CHECK_NO_LOCAL
Set to 1 to block localhost and other loopback URLs, which are allowed by default
WSG_CHECK_ALLOW_PRIVATE
Set to 1 to allow private network URLs (10/8, 172.16/12, 192.168/16)

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

{
  "mcpServers": {
    "wsg-check": {
      "command": "npx",
      "args": [
        "-y",
        "@sustainablewebsites/wsg-check",
        "--mcp"
      ],
      "env": {
        "WSG_CHECK_NO_LOCAL": "<YOUR_WSG_CHECK_NO_LOCAL>",
        "WSG_CHECK_ALLOW_PRIVATE": "<YOUR_WSG_CHECK_ALLOW_PRIVATE>"
      }
    }
  }
}

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